List of municipalities in Illinois

Illinois is a state located in the Midwestern United States. According to the 2020 United States census Illinois is the 6th most populous state with 12,812,508 inhabitants but the 24th largest by land area spanning 55,499.0 square miles (143,742 km²) of land.^[1] Illinois is divided into 102 counties and, as of 2020, contained 1,300 municipalities consisting of cities, towns, and villages.

The most populous city is Chicago with 2,746,388 residents while the least populous is Valley City with 14 residents.^[2] The largest municipality by land area is Chicago, which spans 227.73 sq mi (589.8 km²), while the smallest is Irwin at 0.045 sq mi (0.12 km²).^[2]

List

Most populous municipalities
Chicago is Illinois' most populous municipality.
Paramount Theatre in Aurora, Illinois' 2nd most populous municipality
Union Station in Joliet, Illinois' 3rd most populous municipality
Downtown block in Naperville, Illinois' 4th most populous municipality
Skyline of Rockford seen from the Rock River, Illinois' 5th most populous municipality
Aerial view of downtown Elgin, Illinois' 6th most populous municipality
Illinois State Capitol in Springfield, Illinois' capital city and 7th most populous municipality

Key
†	County seat	‡	State capital

Name	Type	County(ies)^[3]	Population (2020)^[2]	Population (2010)^[2]	Change	Land area (2020)^[4]		Population density
Name	Type	County(ies)^[3]	Population (2020)^[2]	Population (2010)^[2]	Change	sq mi	km2	Population density
Abingdon	City	Knox	2,951	3,319	−11.1%	1.425	3.69	2,070.9/sq mi (799.6/km²)
Addieville	Village	Washington	259	252	+2.8%	0.993	2.57	260.8/sq mi (100.7/km²)
Addison	Village	DuPage	35,702	36,942	−3.4%	9.829	25.46	3,632.3/sq mi (1,402.4/km²)
Adeline	Village	Ogle	78	85	−8.2%	0.266	0.69	293.2/sq mi (113.2/km²)
Albany	Village	Whiteside	864	891	−3.0%	1.071	2.77	806.7/sq mi (311.5/km²)
Albers	Village	Clinton	1,121	1,190	−5.8%	0.846	2.19	1,325.1/sq mi (511.6/km²)
Albion†	City	Edwards	1,971	1,988	−0.9%	2.136	5.53	922.8/sq mi (356.3/km²)
Aledo†	City	Mercer	3,633	3,640	−0.2%	2.368	6.13	1,534.2/sq mi (592.4/km²)
Alexis	Village	Warren Mercer	793	831	−4.6%	0.475	1.23	1,669.5/sq mi (644.6/km²)
Algonquin	Village	McHenry Kane	29,700	30,046	−1.2%	12.302	31.86	2,414.2/sq mi (932.1/km²)
Alhambra	Village	Madison	622	681	−8.7%	0.756	1.96	822.8/sq mi (317.7/km²)
Allendale	Village	Wabash	458	475	−3.6%	0.307	0.80	1,491.9/sq mi (576.0/km²)
Allenville	Village	Moultrie	132	148	−10.8%	0.609	1.58	216.7/sq mi (83.7/km²)
Allerton	Village	Champaign	262	291	−10.0%	0.679	1.76	385.9/sq mi (149.0/km²)
Alma	Village	Marion	318	320	−0.6%	1.132	2.93	280.9/sq mi (108.5/km²)
Alpha	Village	Henry	675	671	+0.6%	0.309	0.80	2,184.5/sq mi (843.4/km²)
Alsey	Village	Scott	195	227	−14.1%	0.549	1.42	355.2/sq mi (137.1/km²)
Alsip	Village	Cook	19,063	19,277	−1.1%	6.525	16.90	2,921.5/sq mi (1,128.0/km²)
Altamont	City	Effingham	2,216	2,319	−4.4%	1.489	3.86	1,488.2/sq mi (574.6/km²)
Alton	City	Madison	25,676	27,865	−7.9%	15.681	40.61	1,637.4/sq mi (632.2/km²)
Altona	Village	Knox	463	531	−12.8%	0.938	2.43	493.6/sq mi (190.6/km²)
Alto Pass	Village	Union	319	391	−18.4%	2.134	5.53	149.5/sq mi (57.7/km²)
Alvin	Village	Vermilion	233	270	−13.7%	0.793	2.05	293.8/sq mi (113.4/km²)
Amboy	City	Lee	2,278	2,500	−8.9%	6.368	16.49	357.7/sq mi (138.1/km²)
Anchor	Village	McLean	163	146	+11.6%	0.171	0.44	953.2/sq mi (368.0/km²)
Andalusia	Village	Rock Island	1,184	1,178	+0.5%	1.175	3.04	1,007.7/sq mi (389.1/km²)
Andover	Village	Henry	555	578	−4.0%	0.991	2.57	560.0/sq mi (216.2/km²)
Anna	City	Union	4,303	4,442	−3.1%	3.558	9.22	1,209.4/sq mi (466.9/km²)
Annawan	Town	Henry	884	878	+0.7%	2.135	5.53	414.1/sq mi (159.9/km²)
Antioch	Village	Lake	14,622	14,430	+1.3%	8.213	21.27	1,780.3/sq mi (687.4/km²)
Apple River	Village	Jo Daviess	347	366	−5.2%	0.705	1.83	492.2/sq mi (190.0/km²)
Arcola	City	Douglas	2,927	2,916	+0.4%	2.023	5.24	1,446.9/sq mi (558.6/km²)
Arenzville	Village	Cass	367	409	−10.3%	0.768	1.99	477.9/sq mi (184.5/km²)
Argenta	Village	Macon	913	947	−3.6%	0.653	1.69	1,398.2/sq mi (539.8/km²)
Arlington	Village	Bureau	169	193	−12.4%	0.395	1.02	427.8/sq mi (165.2/km²)
Arlington Heights	Village	Cook	77,676	75,101	+3.4%	16.605	43.01	4,677.9/sq mi (1,806.1/km²)
Armington	Village	Tazewell	310	343	−9.6%	0.285	0.74	1,087.7/sq mi (420.0/km²)
Aroma Park	Village	Kankakee	664	743	−10.6%	1.882	4.87	352.8/sq mi (136.2/km²)
Arrowsmith	Village	McLean	276	294	−6.1%	0.197	0.51	1,401.0/sq mi (540.9/km²)
Arthur	Village	Douglas Moultrie	2,231	2,288	−2.5%	1.337	3.46	1,668.7/sq mi (644.3/km²)
Ashkum	Village	Iroquois	750	761	−1.4%	0.835	2.16	898.2/sq mi (346.8/km²)
Ashland	Village	Cass	1,218	1,333	−8.6%	0.748	1.94	1,628.3/sq mi (628.7/km²)
Ashley	City	Washington	462	536	−13.8%	1.128	2.92	409.6/sq mi (158.1/km²)
Ashmore	Village	Coles	637	785	−18.9%	0.805	2.08	791.3/sq mi (305.5/km²)
Ashton	Village	Lee	967	972	−0.5%	0.670	1.74	1,443.3/sq mi (557.3/km²)
Assumption	City	Christian	1,155	1,168	−1.1%	0.990	2.56	1,166.7/sq mi (450.5/km²)
Astoria	Town	Fulton	929	1,141	−18.6%	0.586	1.52	1,585.3/sq mi (612.1/km²)
Athens	City	Menard	1,977	1,988	−0.6%	1.682	4.36	1,175.4/sq mi (453.8/km²)
Atkinson	Town	Henry	965	972	−0.7%	1.921	4.98	502.3/sq mi (194.0/km²)
Atlanta	City	Logan	1,669	1,692	−1.4%	1.249	3.23	1,336.3/sq mi (515.9/km²)
Atwood	Village	Douglas Piatt	1,116	1,224	−8.8%	0.614	1.59	1,817.6/sq mi (701.8/km²)
Auburn	City	Sangamon	4,574	4,771	−4.1%	4.124	10.68	1,109.1/sq mi (428.2/km²)
Augusta	Village	Hancock	553	587	−5.8%	0.691	1.79	800.3/sq mi (309.0/km²)
Aurora	City	Kane DuPage Will Kendall	180,542	197,899	−8.8%	45.023	116.61	4,010.0/sq mi (1,548.3/km²)
Ava	City	Jackson	553	654	−15.4%	1.057	2.74	523.2/sq mi (202.0/km²)
Aviston	Village	Clinton	2,340	1,945	+20.3%	1.600	4.14	1,462.5/sq mi (564.7/km²)
Avon	Village	Fulton	704	799	−11.9%	0.444	1.15	1,585.6/sq mi (612.2/km²)
Baldwin	Village	Randolph	314	373	−15.8%	0.666	1.72	471.5/sq mi (182.0/km²)
Banner	Village	Fulton	169	189	−10.6%	1.290	3.34	131.0/sq mi (50.6/km²)
Bannockburn	Village	Lake	1,013	1,583	−36.0%	2.028	5.25	499.5/sq mi (192.9/km²)
Bardolph	Village	McDonough	210	251	−16.3%	0.617	1.60	340.4/sq mi (131.4/km²)
Barrington	Village	Cook Lake	10,722	10,327	+3.8%	4.608	11.93	2,326.8/sq mi (898.4/km²)
Barrington Hills	Village	Cook McHenry Lake Kane	4,114	4,209	−2.3%	27.004	69.94	152.3/sq mi (58.8/km²)
Barry	City	Pike	1,303	1,318	−1.1%	1.432	3.71	909.9/sq mi (351.3/km²)
Bartelso	Village	Clinton	635	595	+6.7%	0.431	1.12	1,473.3/sq mi (568.9/km²)
Bartlett	Village	Cook DuPage Kane	41,105	41,208	−0.2%	15.726	40.73	2,613.8/sq mi (1,009.2/km²)
Bartonville	Village	Peoria	5,945	6,471	−8.1%	8.050	20.85	738.5/sq mi (285.1/km²)
Basco	Village	Hancock	80	98	−18.4%	0.222	0.57	360.4/sq mi (139.1/km²)
Batavia	City	Kane	26,098	26,045	+0.2%	10.616	27.50	2,458.4/sq mi (949.2/km²)
Batchtown	Village	Calhoun	170	214	−20.6%	1.863	4.83	91.3/sq mi (35.2/km²)
Bath	Village	Mason	279	333	−16.2%	0.365	0.95	764.4/sq mi (295.1/km²)
Baylis	Village	Pike	172	205	−16.1%	0.471	1.22	365.2/sq mi (141.0/km²)
Bay View Gardens	Village	Woodford	354	378	−6.3%	0.569	1.47	622.1/sq mi (240.2/km²)
Beach Park	Village	Lake	14,249	13,638	+4.5%	7.079	18.33	2,012.9/sq mi (777.2/km²)
Beardstown	City	Cass	5,951	6,123	−2.8%	3.619	9.37	1,644.4/sq mi (634.9/km²)
Beaverville	Village	Iroquois	306	362	−15.5%	0.275	0.71	1,112.7/sq mi (429.6/km²)
Beckemeyer	Village	Clinton	923	1,040	−11.3%	0.613	1.59	1,505.7/sq mi (581.4/km²)
Bedford Park	Village	Cook	602	580	+3.8%	5.934	15.37	101.4/sq mi (39.2/km²)
Beecher	Village	Will	4,713	4,359	+8.1%	2.728	7.07	1,727.6/sq mi (667.0/km²)
Beecher City	Village	Effingham	428	463	−7.6%	0.895	2.32	478.2/sq mi (184.6/km²)
Belgium	Village	Vermilion	358	404	−11.4%	0.434	1.12	824.9/sq mi (318.5/km²)
Belknap	Village	Johnson	88	104	−15.4%	1.057	2.74	83.3/sq mi (32.1/km²)
Belle Prairie City	Town	Hamilton	49	54	−9.3%	0.438	1.13	111.9/sq mi (43.2/km²)
Belle Rive	Village	Jefferson	309	361	−14.4%	1.026	2.66	301.2/sq mi (116.3/km²)
Belleville†	City	St. Clair	42,404	44,478	−4.7%	23.222	60.14	1,826.0/sq mi (705.0/km²)
Bellevue	Village	Peoria	1,878	1,978	−5.1%	2.224	5.76	844.4/sq mi (326.0/km²)
Bellflower	Village	McLean	346	357	−3.1%	0.361	0.93	958.4/sq mi (370.1/km²)
Bellmont	Village	Wabash	247	276	−10.5%	0.325	0.84	760.0/sq mi (293.4/km²)
Bellwood	Village	Cook	18,789	19,071	−1.5%	2.398	6.21	7,835.3/sq mi (3,025.2/km²)
Belvidere†	City	Boone	25,339	25,585	−1.0%	12.064	31.25	2,100.4/sq mi (811.0/km²)
Bement	Village	Piatt	1,484	1,730	−14.2%	0.778	2.02	1,907.5/sq mi (736.5/km²)
Benld	City	Macoupin	1,464	1,556	−5.9%	1.060	2.75	1,381.1/sq mi (533.3/km²)
Bensenville	Village	DuPage	18,813	18,352	+2.5%	5.530	14.32	3,402.0/sq mi (1,313.5/km²)
Benson	Village	Woodford	412	423	−2.6%	0.163	0.42	2,527.6/sq mi (975.9/km²)
Bentley	Town	Hancock	30	35	−14.3%	0.143	0.37	209.8/sq mi (81.0/km²)
Benton†	City	Franklin	6,709	7,087	−5.3%	5.480	14.19	1,224.3/sq mi (472.7/km²)
Berkeley	Village	Cook	5,338	5,209	+2.5%	1.402	3.63	3,807.4/sq mi (1,470.1/km²)
Berlin	Village	Sangamon	141	180	−21.7%	0.891	2.31	158.2/sq mi (61.1/km²)
Berwyn	City	Cook	57,250	56,657	+1.0%	3.904	10.11	14,664.4/sq mi (5,662.0/km²)
Bethalto	Village	Madison	9,310	9,521	−2.2%	7.591	19.66	1,226.5/sq mi (473.5/km²)
Bethany	Village	Moultrie	1,255	1,352	−7.2%	0.977	2.53	1,284.5/sq mi (496.0/km²)
Biggsville	Village	Henderson	300	304	−1.3%	0.337	0.87	890.2/sq mi (343.7/km²)
Big Rock	Village	Kane	1,104	1,126	−2.0%	4.318	11.18	255.7/sq mi (98.7/km²)
Bingham	Village	Fayette	60	83	−27.7%	0.274	0.71	219.0/sq mi (84.5/km²)
Bishop Hill	Village	Henry	113	128	−11.7%	0.532	1.38	212.4/sq mi (82.0/km²)
Bismarck	Village	Vermilion	582	579	+0.5%	0.743	1.92	783.3/sq mi (302.4/km²)
Blandinsville	Village	McDonough	569	651	−12.6%	0.875	2.27	650.3/sq mi (251.1/km²)
Bloomingdale	Village	DuPage	22,382	22,018	+1.7%	6.766	17.52	3,308.0/sq mi (1,277.2/km²)
Bloomington†	City	McLean	78,680	76,610	+2.7%	27.129	70.26	2,900.2/sq mi (1,119.8/km²)
Blue Island	City	Cook	22,558	23,706	−4.8%	4.071	10.54	5,541.1/sq mi (2,139.4/km²)
Blue Mound	Village	Macon	1,133	1,158	−2.2%	0.585	1.52	1,936.8/sq mi (747.8/km²)
Bluffs	Village	Scott	618	715	−13.6%	0.893	2.31	692.0/sq mi (267.2/km²)
Bluford	Village	Jefferson	630	688	−8.4%	1.561	4.04	403.6/sq mi (155.8/km²)
Bolingbrook	Village	Will DuPage	73,922	73,366	+0.8%	24.845	64.35	2,975.3/sq mi (1,148.8/km²)
Bondville	Village	Champaign	388	443	−12.4%	0.251	0.65	1,545.8/sq mi (596.8/km²)
Bone Gap	Village	Edwards	181	246	−26.4%	0.583	1.51	310.5/sq mi (119.9/km²)
Bonfield	Village	Kankakee	351	382	−8.1%	0.492	1.27	713.4/sq mi (275.5/km²)
Bonnie	Village	Jefferson	374	397	−5.8%	1.275	3.30	293.3/sq mi (113.3/km²)
Bourbonnais	Village	Kankakee	18,164	18,631	−2.5%	9.312	24.12	1,950.6/sq mi (753.1/km²)
Bowen	Village	Hancock	464	494	−6.1%	0.428	1.11	1,084.1/sq mi (418.6/km²)
Braceville	Village	Grundy	724	793	−8.7%	3.111	8.06	232.7/sq mi (89.9/km²)
Bradford	Village	Stark	676	768	−12.0%	0.398	1.03	1,698.5/sq mi (655.8/km²)
Bradley	Village	Kankakee	15,419	15,895	−3.0%	6.932	17.95	2,224.3/sq mi (858.8/km²)
Braidwood	City	Will	6,194	6,191	0.0%	5.296	13.72	1,169.6/sq mi (451.6/km²)
Breese	City	Clinton	4,641	4,442	+4.5%	2.669	6.91	1,738.9/sq mi (671.4/km²)
Bridgeport	City	Lawrence	1,800	1,886	−4.6%	1.072	2.78	1,679.1/sq mi (648.3/km²)
Bridgeview	Village	Cook	17,027	16,446	+3.5%	4.133	10.70	4,119.8/sq mi (1,590.7/km²)
Brighton	Village	Macoupin Jersey	2,221	2,254	−1.5%	1.921	4.98	1,156.2/sq mi (446.4/km²)
Brimfield	Village	Peoria	778	868	−10.4%	0.821	2.13	947.6/sq mi (365.9/km²)
Broadlands	Village	Champaign	316	349	−9.5%	0.322	0.83	981.4/sq mi (378.9/km²)
Broadview	Village	Cook	7,998	7,932	+0.8%	1.777	4.60	4,500.8/sq mi (1,737.8/km²)
Broadwell	Village	Logan	136	145	−6.2%	0.180	0.47	755.6/sq mi (291.7/km²)
Brocton	Village	Edgar	273	322	−15.2%	0.572	1.48	477.3/sq mi (184.3/km²)
Brookfield	Village	Cook	19,476	18,978	+2.6%	3.064	7.94	6,356.4/sq mi (2,454.2/km²)
Brooklyn	Village	St. Clair	649	749	−13.4%	0.811	2.10	800.2/sq mi (309.0/km²)
Brookport	City	Massac	725	984	−26.3%	0.653	1.69	1,110.3/sq mi (428.7/km²)
Broughton	Village	Hamilton	185	194	−4.6%	1.890	4.90	97.9/sq mi (37.8/km²)
Browning	Village	Schuyler	117	137	−14.6%	0.310	0.80	377.4/sq mi (145.7/km²)
Browns	Village	Edwards	139	134	+3.7%	0.290	0.75	479.3/sq mi (185.1/km²)
Brownstown	Village	Fayette	690	759	−9.1%	0.760	1.97	907.9/sq mi (350.5/km²)
Brussels	Village	Calhoun	116	141	−17.7%	0.558	1.45	207.9/sq mi (80.3/km²)
Bryant	Village	Fulton	168	220	−23.6%	0.248	0.64	677.4/sq mi (261.6/km²)
Buckingham	Village	Kankakee	244	300	−18.7%	0.251	0.65	972.1/sq mi (375.3/km²)
Buckley	Village	Iroquois	495	600	−17.5%	0.316	0.82	1,566.5/sq mi (604.8/km²)
Buckner	Village	Franklin	409	462	−11.5%	0.872	2.26	469.0/sq mi (181.1/km²)
Buda	Village	Bureau	482	538	−10.4%	1.014	2.63	475.3/sq mi (183.5/km²)
Buffalo	Village	Sangamon	447	503	−11.1%	0.345	0.89	1,295.7/sq mi (500.3/km²)
Buffalo Grove	Village	Cook Lake	43,212	41,496	+4.1%	9.563	24.77	4,518.7/sq mi (1,744.7/km²)
Bull Valley	Village	McHenry	1,128	1,077	+4.7%	9.128	23.64	123.6/sq mi (47.7/km²)
Bulpitt	Village	Christian	212	222	−4.5%	0.069	0.18	3,072.5/sq mi (1,186.3/km²)
Buncombe	Village	Johnson	207	203	+2.0%	1.187	3.07	174.4/sq mi (67.3/km²)
Bunker Hill	City	Macoupin	1,630	1,774	−8.1%	1.274	3.30	1,279.4/sq mi (494.0/km²)
Burbank	City	Cook	29,439	28,925	+1.8%	4.170	10.80	7,059.7/sq mi (2,725.8/km²)
Bureau Junction	Village	Bureau	281	322	−12.7%	1.446	3.75	194.3/sq mi (75.0/km²)
Burlington	Village	Kane	535	618	−13.4%	6.855	17.75	78.0/sq mi (30.1/km²)
Burnham	Village	Cook	4,046	4,206	−3.8%	1.855	4.80	2,181.1/sq mi (842.1/km²)
Burnt Prairie	Village	White	36	52	−30.8%	0.076	0.20	473.7/sq mi (182.9/km²)
Burr Ridge	Village	DuPage Cook	11,192	10,559	+6.0%	7.143	18.50	1,566.8/sq mi (605.0/km²)
Bush	Village	Williamson	241	275	−12.4%	0.455	1.18	529.7/sq mi (204.5/km²)
Bushnell	City	McDonough	2,718	3,117	−12.8%	2.117	5.48	1,283.9/sq mi (495.7/km²)
Butler	Village	Montgomery	164	180	−8.9%	0.596	1.54	275.2/sq mi (106.2/km²)
Byron	City	Ogle	3,784	3,753	+0.8%	4.650	12.04	813.8/sq mi (314.2/km²)
Cabery	Village	Ford Kankakee	231	266	−13.2%	0.344	0.89	671.5/sq mi (259.3/km²)
Cahokia Heights^[a]	City	St. Clair	17,894	22,552	−20.7%	16.37	42.4	1,093.1/sq mi (422.0/km²)
Cairo†	City	Alexander	1,733	2,831	−38.8%	6.987	18.10	248.0/sq mi (95.8/km²)
Caledonia	Village	Boone	183	197	−7.1%	1.035	2.68	176.8/sq mi (68.3/km²)
Calhoun	Village	Richland	164	172	−4.7%	0.912	2.36	179.8/sq mi (69.4/km²)
Calumet City	City	Cook	36,033	37,042	−2.7%	7.181	18.60	5,017.8/sq mi (1,937.4/km²)
Calumet Park	Village	Cook	7,025	7,835	−10.3%	1.117	2.89	6,289.2/sq mi (2,428.3/km²)
Camargo	Village	Douglas	452	445	+1.6%	1.259	3.26	359.0/sq mi (138.6/km²)
Cambria	Village	Williamson	1,505	1,228	+22.6%	1.415	3.66	1,063.6/sq mi (410.7/km²)
Cambridge†	Village	Henry	2,086	2,160	−3.4%	1.991	5.16	1,047.7/sq mi (404.5/km²)
Camden	Village	Schuyler	62	86	−27.9%	0.761	1.97	81.5/sq mi (31.5/km²)
Campbell Hill	Village	Jackson	309	336	−8.0%	0.462	1.20	668.8/sq mi (258.2/km²)
Camp Point	Village	Adams	1,121	1,132	−1.0%	1.134	2.94	988.5/sq mi (381.7/km²)
Campton Hills	Village	Kane	10,885	11,131	−2.2%	16.890	43.74	644.5/sq mi (248.8/km²)
Campus	Village	Livingston	149	166	−10.2%	0.092	0.24	1,619.6/sq mi (625.3/km²)
Canton	City	Fulton	13,242	14,704	−9.9%	7.858	20.35	1,685.2/sq mi (650.6/km²)
Cantrall	Village	Sangamon	144	139	+3.6%	0.250	0.65	576.0/sq mi (222.4/km²)
Capron	Village	Boone	1,395	1,376	+1.4%	0.768	1.99	1,816.4/sq mi (701.3/km²)
Carbon Cliff	Village	Rock Island	1,846	2,134	−13.5%	2.095	5.43	881.1/sq mi (340.2/km²)
Carbondale	City	Jackson	21,857	25,902	−15.6%	17.397	45.06	1,256.4/sq mi (485.1/km²)
Carbon Hill	Village	Grundy	372	345	+7.8%	0.178	0.46	2,089.9/sq mi (806.9/km²)
Carlinville†	City	Macoupin	5,710	5,917	−3.5%	3.369	8.73	1,694.9/sq mi (654.4/km²)
Carlock	Village	McLean	548	552	−0.7%	0.395	1.02	1,387.3/sq mi (535.7/km²)
Carlyle†	City	Clinton	3,253	3,281	−0.9%	3.425	8.87	949.8/sq mi (366.7/km²)
Carmi†	City	White	4,865	5,240	−7.2%	2.589	6.71	1,879.1/sq mi (725.5/km²)
Carol Stream	Village	DuPage	39,854	39,711	+0.4%	9.119	23.62	4,370.4/sq mi (1,687.4/km²)
Carpentersville	Village	Kane	37,983	37,691	+0.8%	7.883	20.42	4,818.3/sq mi (1,860.4/km²)
Carrier Mills	Village	Saline	1,672	1,653	+1.1%	1.208	3.13	1,384.1/sq mi (534.4/km²)
Carrollton†	City	Greene	2,485	2,484	0.0%	1.902	4.93	1,306.5/sq mi (504.4/km²)
Carterville	City	Williamson	5,848	5,496	+6.4%	5.266	13.64	1,110.5/sq mi (428.8/km²)
Carthage†	City	Hancock	2,490	2,605	−4.4%	2.491	6.45	999.6/sq mi (385.9/km²)
Cary	Village	McHenry	17,826	18,271	−2.4%	6.232	16.14	2,860.4/sq mi (1,104.4/km²)
Casey	City	Clark Cumberland	2,404	2,769	−13.2%	2.263	5.86	1,062.3/sq mi (410.2/km²)
Caseyville	Village	St. Clair	4,400	4,245	+3.7%	7.266	18.82	605.6/sq mi (233.8/km²)
Catlin	Village	Vermilion	1,983	2,040	−2.8%	0.849	2.20	2,335.7/sq mi (901.8/km²)
Cave-In-Rock	Village	Hardin	228	318	−28.3%	0.374	0.97	609.6/sq mi (235.4/km²)
Cedar Point	Village	LaSalle	266	277	−4.0%	1.021	2.64	260.5/sq mi (100.6/km²)
Cedarville	Village	Stephenson	663	741	−10.5%	0.459	1.19	1,444.4/sq mi (557.7/km²)
Central City	Village	Marion	1,098	1,172	−6.3%	0.565	1.46	1,943.4/sq mi (750.3/km²)
Centralia	City	Marion Clinton Jefferson Washington	12,182	13,032	−6.5%	8.200	21.24	1,485.6/sq mi (573.6/km²)
Cerro Gordo	Village	Piatt	1,316	1,403	−6.2%	0.729	1.89	1,805.2/sq mi (697.0/km²)
Chadwick	Village	Carroll	481	551	−12.7%	0.311	0.81	1,546.6/sq mi (597.2/km²)
Champaign	City	Champaign	88,302	81,055	+8.9%	22.928	59.38	3,851.3/sq mi (1,487.0/km²)
Chandlerville	Village	Cass	527	553	−4.7%	0.794	2.06	663.7/sq mi (256.3/km²)
Channahon	Village	Will Grundy	13,383	12,560	+6.6%	15.622	40.46	856.7/sq mi (330.8/km²)
Chapin	Village	Morgan	475	512	−7.2%	0.998	2.58	476.0/sq mi (183.8/km²)
Charleston†	City	Coles	17,286	21,838	−20.8%	8.884	23.01	1,945.7/sq mi (751.3/km²)
Chatham	Village	Sangamon	14,377	11,500	+25.0%	7.364	19.07	1,952.3/sq mi (753.8/km²)
Chatsworth	Town	Livingston	1,185	1,205	−1.7%	2.757	7.14	429.8/sq mi (166.0/km²)
Chebanse	Village	Kankakee Iroquois	1,044	1,062	−1.7%	1.190	3.08	877.3/sq mi (338.7/km²)
Chenoa	City	McLean	1,720	1,785	−3.6%	2.430	6.29	707.8/sq mi (273.3/km²)
Cherry	Village	Bureau	435	482	−9.8%	0.514	1.33	846.3/sq mi (326.8/km²)
Cherry Valley	Village	Winnebago	2,905	3,162	−8.1%	8.405	21.77	345.6/sq mi (133.4/km²)
Chester†	City	Randolph	6,814	8,586	−20.6%	5.806	15.04	1,173.6/sq mi (453.1/km²)
Chesterfield	Village	Macoupin	170	188	−9.6%	0.541	1.40	314.2/sq mi (121.3/km²)
Chicago†	City	Cook DuPage	2,746,388	2,695,598	+1.9%	227.73	589.8	12,059.8/sq mi (4,656.3/km²)
Chicago Heights	City	Cook	27,480	30,276	−9.2%	10.283	26.63	2,672.4/sq mi (1,031.8/km²)
Chicago Ridge	Village	Cook	14,433	14,305	+0.9%	2.268	5.87	6,363.8/sq mi (2,457.1/km²)
Chillicothe	City	Peoria	6,128	6,097	+0.5%	5.274	13.66	1,161.9/sq mi (448.6/km²)
Chrisman	City	Edgar	1,312	1,343	−2.3%	0.719	1.86	1,824.8/sq mi (704.5/km²)
Christopher	City	Franklin	2,697	2,382	+13.2%	1.622	4.20	1,662.8/sq mi (642.0/km²)
Cicero	Town	Cook	85,268	83,891	+1.6%	5.865	15.19	14,538.4/sq mi (5,613.3/km²)
Cisco	Village	Piatt	254	261	−2.7%	0.182	0.47	1,395.6/sq mi (538.8/km²)
Cisne	Village	Wayne	634	672	−5.7%	0.630	1.63	1,006.3/sq mi (388.6/km²)
Cissna Park	Village	Iroquois	817	846	−3.4%	0.725	1.88	1,126.9/sq mi (435.1/km²)
Claremont	Village	Richland	161	176	−8.5%	0.793	2.05	203.0/sq mi (78.4/km²)
Clarendon Hills	Village	DuPage	8,702	8,427	+3.3%	1.810	4.69	4,807.7/sq mi (1,856.3/km²)
Clay City	Village	Clay	847	959	−11.7%	1.782	4.62	475.3/sq mi (183.5/km²)
Clayton	Village	Adams	639	709	−9.9%	0.884	2.29	722.9/sq mi (279.1/km²)
Clear Lake^[b]	Village	Sangamon	203	229	−11.4%	0.092	0.24	2,206.5/sq mi (851.9/km²)
Cleveland	Village	Henry	163	188	−13.3%	0.294	0.76	554.4/sq mi (214.1/km²)
Clifton	Village	Iroquois	1,352	1,468	−7.9%	0.930	2.41	1,453.8/sq mi (561.3/km²)
Clinton†	City	De Witt	7,004	7,225	−3.1%	3.572	9.25	1,960.8/sq mi (757.1/km²)
Coal City	Village	Grundy	5,705	5,587	+2.1%	5.617	14.55	1,015.7/sq mi (392.2/km²)
Coalton	Village	Montgomery	317	304	+4.3%	0.530	1.37	598.1/sq mi (230.9/km²)
Coal Valley	Village	Rock Island Henry	3,873	3,743	+3.5%	3.112	8.06	1,244.5/sq mi (480.5/km²)
Coatsburg	Village	Adams	150	147	+2.0%	0.132	0.34	1,136.4/sq mi (438.8/km²)
Cobden	Village	Union	1,074	1,157	−7.2%	1.219	3.16	881.1/sq mi (340.2/km²)
Coffeen	City	Montgomery	647	685	−5.5%	1.161	3.01	557.3/sq mi (215.2/km²)
Colchester	City	McDonough	1,108	1,401	−20.9%	1.150	2.98	963.5/sq mi (372.0/km²)
Coleta	Village	Whiteside	167	164	+1.8%	0.370	0.96	451.4/sq mi (174.3/km²)
Colfax	Village	McLean	996	1,061	−6.1%	0.553	1.43	1,801.1/sq mi (695.4/km²)
Collinsville	City	Madison St. Clair	24,366	25,579	−4.7%	15.077	39.05	1,616.1/sq mi (624.0/km²)
Colona	City	Henry	5,045	5,099	−1.1%	3.818	9.89	1,321.4/sq mi (510.2/km²)
Colp	Village	Williamson	168	225	−25.3%	0.134	0.35	1,253.7/sq mi (484.1/km²)
Columbia	City	Monroe St. Clair	10,999	9,707	+13.3%	10.303	26.68	1,067.6/sq mi (412.2/km²)
Columbus	Village	Adams	114	99	+15.2%	0.219	0.57	520.5/sq mi (201.0/km²)
Compton	Village	Lee	274	303	−9.6%	0.158	0.41	1,734.2/sq mi (669.6/km²)
Concord	Village	Morgan	150	167	−10.2%	0.249	0.64	602.4/sq mi (232.6/km²)
Congerville	Village	Woodford	497	474	+4.9%	0.963	2.49	516.1/sq mi (199.3/km²)
Cooksville	Village	McLean	157	182	−13.7%	0.217	0.56	723.5/sq mi (279.3/km²)
Cordova	Village	Rock Island	671	672	−0.1%	0.574	1.49	1,169.0/sq mi (451.3/km²)
Cornell	Village	Livingston	446	467	−4.5%	0.654	1.69	682.0/sq mi (263.3/km²)
Cortland	Town	DeKalb	4,398	4,270	+3.0%	3.649	9.45	1,205.3/sq mi (465.4/km²)
Coulterville	Village	Randolph	834	945	−11.7%	0.569	1.47	1,465.7/sq mi (565.9/km²)
Country Club Hills	City	Cook	16,775	16,541	+1.4%	4.970	12.87	3,375.3/sq mi (1,303.2/km²)
Countryside	City	Cook	6,420	5,895	+8.9%	2.878	7.45	2,230.7/sq mi (861.3/km²)
Cowden	Village	Shelby	515	629	−18.1%	0.402	1.04	1,281.1/sq mi (494.6/km²)
Crainville	Village	Williamson	1,443	1,254	+15.1%	1.653	4.28	873.0/sq mi (337.1/km²)
Creal Springs	City	Williamson	505	543	−7.0%	1.027	2.66	491.7/sq mi (189.9/km²)
Crescent City	Village	Iroquois	552	615	−10.2%	0.456	1.18	1,210.5/sq mi (467.4/km²)
Crest Hill	City	Will	20,459	20,837	−1.8%	9.052	23.44	2,260.2/sq mi (872.7/km²)
Creston	Village	Ogle	627	662	−5.3%	1.146	2.97	547.1/sq mi (211.2/km²)
Crestwood	Village	Cook	10,826	10,950	−1.1%	3.049	7.90	3,550.7/sq mi (1,370.9/km²)
Crete	Village	Will	8,465	8,259	+2.5%	9.409	24.37	899.7/sq mi (347.4/km²)
Creve Coeur	Village	Tazewell	4,934	5,451	−9.5%	4.231	10.96	1,166.2/sq mi (450.3/km²)
Crossville	Village	White	623	745	−16.4%	0.640	1.66	973.4/sq mi (375.8/km²)
Crystal Lake	City	McHenry	40,269	40,743	−1.2%	18.918	49.00	2,128.6/sq mi (821.9/km²)
Cuba	City	Fulton	1,184	1,294	−8.5%	0.543	1.41	2,180.5/sq mi (841.9/km²)
Cullom	Village	Livingston	520	555	−6.3%	0.335	0.87	1,552.2/sq mi (599.3/km²)
Curran	Village	Sangamon	213	212	+0.5%	1.975	5.12	107.8/sq mi (41.6/km²)
Cutler	Village	Perry	361	441	−18.1%	0.468	1.21	771.4/sq mi (297.8/km²)
Cypress	Village	Johnson	217	234	−7.3%	0.753	1.95	288.2/sq mi (111.3/km²)
Dahlgren	Village	Hamilton	504	525	−4.0%	1.017	2.63	495.6/sq mi (191.3/km²)
Dakota	Village	Stephenson	500	506	−1.2%	0.249	0.64	2,008.0/sq mi (775.3/km²)
Dallas City	City	Hancock Henderson	805	945	−14.8%	2.374	6.15	339.1/sq mi (130.9/km²)
Dalton City	Village	Moultrie	454	544	−16.5%	0.534	1.38	850.2/sq mi (328.3/km²)
Dalzell	Village	Bureau	663	717	−7.5%	0.820	2.12	808.5/sq mi (312.2/km²)
Damiansville	Village	Clinton	564	491	+14.9%	0.822	2.13	686.1/sq mi (264.9/km²)
Dana	Village	LaSalle	162	159	+1.9%	0.220	0.57	736.4/sq mi (284.3/km²)
Danforth	Village	Iroquois	594	604	−1.7%	0.478	1.24	1,242.7/sq mi (479.8/km²)
Danvers	Village	McLean	1,089	1,154	−5.6%	0.803	2.08	1,356.2/sq mi (523.6/km²)
Danville†	City	Vermilion	29,204	33,027	−11.6%	17.856	46.25	1,635.5/sq mi (631.5/km²)
Darien	City	DuPage	22,011	22,086	−0.3%	6.171	15.98	3,566.8/sq mi (1,377.2/km²)
Davis	Village	Stephenson	589	677	−13.0%	0.405	1.05	1,454.3/sq mi (561.5/km²)
Davis Junction	Village	Ogle	2,512	2,373	+5.9%	4.200	10.88	598.1/sq mi (230.9/km²)
Dawson	Village	Sangamon	519	509	+2.0%	0.792	2.05	655.3/sq mi (253.0/km²)
Decatur†	City	Macon	70,522	76,122	−7.4%	42.894	111.09	1,644.1/sq mi (634.8/km²)
Deer Creek	Village	Tazewell	667	704	−5.3%	0.535	1.39	1,246.7/sq mi (481.4/km²)
Deerfield	Village	Lake Cook	19,196	18,225	+5.3%	5.528	14.32	3,472.5/sq mi (1,340.7/km²)
Deer Grove	Village	Whiteside	38	48	−20.8%	0.411	1.06	92.5/sq mi (35.7/km²)
Deer Park	Village	Lake Cook	3,681	3,200	+15.0%	3.654	9.46	1,007.4/sq mi (389.0/km²)
DeKalb	City	DeKalb	40,290	43,862	−8.1%	16.150	41.83	2,494.7/sq mi (963.2/km²)
De Land	Village	Piatt	447	446	+0.2%	0.424	1.10	1,054.2/sq mi (407.0/km²)
Delavan	City	Tazewell	1,568	1,689	−7.2%	1.440	3.73	1,088.9/sq mi (420.4/km²)
De Pue	Village	Bureau	1,633	1,838	−11.2%	2.775	7.19	588.5/sq mi (227.2/km²)
De Soto	Village	Jackson	1,407	1,590	−11.5%	0.912	2.36	1,542.8/sq mi (595.7/km²)
Des Plaines	City	Cook	60,675	58,364	+4.0%	14.238	36.88	4,261.5/sq mi (1,645.4/km²)
Detroit	Village	Pike	76	83	−8.4%	0.251	0.65	302.8/sq mi (116.9/km²)
De Witt	Village	De Witt	160	184	−13.0%	0.237	0.61	675.1/sq mi (260.7/km²)
Diamond	Village	Grundy Will	2,640	2,527	+4.5%	1.900	4.92	1,389.5/sq mi (536.5/km²)
Dieterich	Village	Effingham	890	617	+44.2%	1.366	3.54	651.5/sq mi (251.6/km²)
Divernon	Village	Sangamon	1,139	1,172	−2.8%	0.763	1.98	1,492.8/sq mi (576.4/km²)
Dix	Village	Jefferson	469	461	+1.7%	2.074	5.37	226.1/sq mi (87.3/km²)
Dixmoor	Village	Cook	2,973	3,644	−18.4%	1.249	3.23	2,380.3/sq mi (919.0/km²)
Dixon†	City	Lee	15,274	15,733	−2.9%	7.752	20.08	1,970.3/sq mi (760.7/km²)
Dolton	Village	Cook	21,426	23,153	−7.5%	4.571	11.84	4,687.4/sq mi (1,809.8/km²)
Dongola	Village	Union	661	726	−9.0%	1.088	2.82	607.5/sq mi (234.6/km²)
Donnellson	Village	Montgomery Bond	153	210	−27.1%	0.370	0.96	413.5/sq mi (159.7/km²)
Donovan	Village	Iroquois	251	304	−17.4%	0.328	0.85	765.2/sq mi (295.5/km²)
Dorchester	Village	Macoupin	133	151	−11.9%	0.722	1.87	184.2/sq mi (71.1/km²)
Dover	Village	Bureau	135	168	−19.6%	0.280	0.73	482.1/sq mi (186.2/km²)
Dowell	Village	Jackson	368	408	−9.8%	0.390	1.01	943.6/sq mi (364.3/km²)
Downers Grove	Village	DuPage	50,247	47,833	+5.0%	14.643	37.93	3,431.5/sq mi (1,324.9/km²)
Downs	Village	McLean	1,201	1,005	+19.5%	2.966	7.68	404.9/sq mi (156.3/km²)
Du Bois	Village	Washington	175	205	−14.6%	1.052	2.72	166.3/sq mi (64.2/km²)
Dunfermline	Village	Fulton	262	300	−12.7%	0.147	0.38	1,782.3/sq mi (688.2/km²)
Dunlap	Village	Peoria	1,603	1,386	+15.7%	2.308	5.98	694.5/sq mi (268.2/km²)
Dupo	Village	St. Clair	3,996	4,138	−3.4%	6.377	16.52	626.6/sq mi (241.9/km²)
Du Quoin	City	Perry	5,827	6,109	−4.6%	6.979	18.08	834.9/sq mi (322.4/km²)
Durand	Village	Winnebago	1,390	1,443	−3.7%	0.919	2.38	1,512.5/sq mi (584.0/km²)
Dwight	Village	Livingston Grundy	4,032	4,260	−5.4%	3.297	8.54	1,222.9/sq mi (472.2/km²)
Eagarville	Village	Macoupin	114	127	−10.2%	0.911	2.36	125.1/sq mi (48.3/km²)
Earlville	City	LaSalle	1,613	1,701	−5.2%	1.201	3.11	1,343.0/sq mi (518.6/km²)
East Alton	Village	Madison	5,786	6,301	−8.2%	5.318	13.77	1,088.0/sq mi (420.1/km²)
East Brooklyn	Village	Grundy	80	106	−24.5%	0.052	0.13	1,538.5/sq mi (594.0/km²)
East Cape Girardeau	Village	Alexander	289	385	−24.9%	1.961	5.08	147.4/sq mi (56.9/km²)
East Carondelet	Village	St. Clair	390	499	−21.8%	1.177	3.05	331.4/sq mi (127.9/km²)
East Dubuque	City	Jo Daviess	1,505	1,704	−11.7%	2.742	7.10	548.9/sq mi (211.9/km²)
East Dundee	Village	Kane Cook	3,152	2,860	+10.2%	2.839	7.35	1,110.3/sq mi (428.7/km²)
East Galesburg	Village	Knox	763	812	−6.0%	1.365	3.54	559.0/sq mi (215.8/km²)
East Gillespie	Village	Macoupin	269	270	−0.4%	0.319	0.83	843.3/sq mi (325.6/km²)
East Hazel Crest	Village	Cook	1,297	1,543	−15.9%	0.784	2.03	1,654.3/sq mi (638.7/km²)
East Moline	City	Rock Island	21,374	21,302	+0.3%	14.596	37.80	1,464.4/sq mi (565.4/km²)
Easton	Village	Mason	312	321	−2.8%	0.240	0.62	1,300.0/sq mi (501.9/km²)
East Peoria	City	Tazewell	22,484	23,402	−3.9%	20.411	52.86	1,101.6/sq mi (425.3/km²)
East St. Louis	City	St. Clair	18,469	27,006	−31.6%	13.919	36.05	1,326.9/sq mi (512.3/km²)
Eddyville	Village	Pope	99	101	−2.0%	0.281	0.73	352.3/sq mi (136.0/km²)
Edgewood	Village	Effingham	398	440	−9.5%	1.013	2.62	392.9/sq mi (151.7/km²)
Edinburg	Village	Christian	1,085	1,078	+0.6%	0.625	1.62	1,736.0/sq mi (670.3/km²)
Edwardsville†	City	Madison	26,808	24,293	+10.4%	19.811	51.31	1,353.2/sq mi (522.5/km²)
Effingham†	City	Effingham	12,252	12,328	−0.6%	10.309	26.70	1,188.5/sq mi (458.9/km²)
Elburn	Village	Kane	6,175	5,602	+10.2%	3.608	9.34	1,711.5/sq mi (660.8/km²)
El Dara	Village	Pike	63	78	−19.2%	1.011	2.62	62.3/sq mi (24.1/km²)
Eldorado	City	Saline	3,743	4,122	−9.2%	2.503	6.48	1,495.4/sq mi (577.4/km²)
Eldred	Village	Greene	149	201	−25.9%	0.134	0.35	1,111.9/sq mi (429.3/km²)
Elgin	City	Kane Cook	114,797	108,188	+6.1%	38.027	98.49	3,018.8/sq mi (1,165.6/km²)
Elizabeth	Village	Jo Daviess	694	761	−8.8%	0.900	2.33	771.1/sq mi (297.7/km²)
Elizabethtown†	Village	Hardin	220	299	−26.4%	0.705	1.83	312.1/sq mi (120.5/km²)
Elk Grove Village	Village	Cook	32,812	33,127	−1.0%	11.639	30.14	2,819.1/sq mi (1,088.5/km²)
Elkhart	Village	Logan	450	405	+11.1%	1.942	5.03	231.7/sq mi (89.5/km²)
Elkville	Village	Jackson	838	928	−9.7%	0.767	1.99	1,092.6/sq mi (421.8/km²)
Elliott	Village	Ford	274	295	−7.1%	0.498	1.29	550.2/sq mi (212.4/km²)
Ellis Grove	Village	Randolph	328	363	−9.6%	0.491	1.27	668.0/sq mi (257.9/km²)
Ellisville	Village	Fulton	87	96	−9.4%	0.271	0.70	321.0/sq mi (124.0/km²)
Ellsworth	Village	McLean	184	195	−5.6%	0.217	0.56	847.9/sq mi (327.4/km²)
Elmhurst	City	DuPage	45,786	44,121	+3.8%	10.218	26.46	4,480.9/sq mi (1,730.1/km²)
Elmwood	City	Peoria	2,058	2,097	−1.9%	1.396	3.62	1,474.2/sq mi (569.2/km²)
Elmwood Park	Village	Cook	24,521	24,883	−1.5%	1.908	4.94	12,851.7/sq mi (4,962.1/km²)
El Paso	City	Woodford	2,756	2,810	−1.9%	2.145	5.56	1,284.8/sq mi (496.1/km²)
Elsah	Village	Jersey	519	673	−22.9%	1.092	2.83	475.3/sq mi (183.5/km²)
Elvaston	Village	Hancock	147	165	−10.9%	0.799	2.07	184.0/sq mi (71.0/km²)
Elwood	Village	Will	2,229	2,279	−2.2%	13.641	35.33	163.4/sq mi (63.1/km²)
Emden	Village	Logan	467	485	−3.7%	0.235	0.61	1,987.2/sq mi (767.3/km²)
Emington	Village	Livingston	101	117	−13.7%	0.083	0.21	1,216.9/sq mi (469.8/km²)
Energy	Village	Williamson	974	1,146	−15.0%	1.194	3.09	815.7/sq mi (315.0/km²)
Enfield	Village	White	794	596	+33.2%	1.011	2.62	785.4/sq mi (303.2/km²)
Equality	Village	Gallatin	539	595	−9.4%	0.877	2.27	614.6/sq mi (237.3/km²)
Erie	Village	Whiteside	1,518	1,602	−5.2%	1.380	3.57	1,100.0/sq mi (424.7/km²)
Essex	Village	Kankakee	841	802	+4.9%	2.327	6.03	361.4/sq mi (139.5/km²)
Eureka†	City	Woodford	5,227	5,295	−1.3%	2.684	6.95	1,947.5/sq mi (751.9/km²)
Evanston	City	Cook	78,110	74,486	+4.9%	7.779	20.15	10,041.1/sq mi (3,876.9/km²)
Evansville	Village	Randolph	547	701	−22.0%	0.788	2.04	694.2/sq mi (268.0/km²)
Evergreen Park	Village	Cook	19,943	19,852	+0.5%	3.163	8.19	6,305.1/sq mi (2,434.4/km²)
Ewing	Village	Franklin	300	307	−2.3%	1.009	2.61	297.3/sq mi (114.8/km²)
Exeter	Village	Scott	87	65	+33.8%	0.690	1.79	126.1/sq mi (48.7/km²)
Fairbury	City	Livingston	3,633	3,757	−3.3%	1.809	4.69	2,008.3/sq mi (775.4/km²)
Fairfield†	City	Wayne	4,883	5,154	−5.3%	4.028	10.43	1,212.3/sq mi (468.1/km²)
Fairmont City	Village	St. Clair Madison	2,265	2,635	−14.0%	6.205	16.07	365.0/sq mi (140.9/km²)
Fairmount	Village	Vermilion	612	642	−4.7%	0.317	0.82	1,930.6/sq mi (745.4/km²)
Fairview	Village	Fulton	426	522	−18.4%	4.215	10.92	101.1/sq mi (39.0/km²)
Fairview Heights	City	St. Clair	16,706	17,078	−2.2%	11.431	29.61	1,461.5/sq mi (564.3/km²)
Farina	Village	Fayette	540	518	+4.2%	1.457	3.77	370.6/sq mi (143.1/km²)
Farmer City	City	De Witt	1,828	2,037	−10.3%	2.395	6.20	763.3/sq mi (294.7/km²)
Farmersville	Village	Montgomery	689	724	−4.8%	0.703	1.82	980.1/sq mi (378.4/km²)
Farmington	City	Fulton	2,389	2,448	−2.4%	1.505	3.90	1,587.4/sq mi (612.9/km²)
Fayetteville	Village	St. Clair	302	366	−17.5%	0.296	0.77	1,020.3/sq mi (393.9/km²)
Ferris	Village	Hancock	127	156	−18.6%	1.967	5.09	64.6/sq mi (24.9/km²)
Fidelity	Village	Jersey	96	114	−15.8%	0.101	0.26	950.5/sq mi (367.0/km²)
Fieldon	Village	Jersey	176	239	−26.4%	0.202	0.52	871.3/sq mi (336.4/km²)
Fillmore	Village	Montgomery	305	330	−7.6%	1.016	2.63	300.2/sq mi (115.9/km²)
Findlay	Village	Shelby	664	683	−2.8%	0.924	2.39	718.6/sq mi (277.5/km²)
Fisher	Village	Champaign	2,062	1,881	+9.6%	1.330	3.44	1,550.4/sq mi (598.6/km²)
Fithian	Village	Vermilion	488	485	+0.6%	0.383	0.99	1,274.2/sq mi (492.0/km²)
Flanagan	Village	Livingston	1,010	1,110	−9.0%	0.574	1.49	1,759.6/sq mi (679.4/km²)
Flat Rock	Village	Crawford	323	331	−2.4%	0.856	2.22	377.3/sq mi (145.7/km²)
Flora	City	Clay	4,803	5,070	−5.3%	4.690	12.15	1,024.1/sq mi (395.4/km²)
Florence	Village	Pike	17	38	−55.3%	0.276	0.71	61.6/sq mi (23.8/km²)
Flossmoor	Village	Cook	9,704	9,464	+2.5%	3.661	9.48	2,650.6/sq mi (1,023.4/km²)
Foosland	Village	Champaign	75	101	−25.7%	0.069	0.18	1,087.0/sq mi (419.7/km²)
Ford Heights	Village	Cook	1,813	2,763	−34.4%	1.946	5.04	931.7/sq mi (359.7/km²)
Forest City	Village	Mason	222	246	−9.8%	0.523	1.35	424.5/sq mi (163.9/km²)
Forest Park	Village	Cook	14,339	14,167	+1.2%	2.402	6.22	5,969.6/sq mi (2,304.9/km²)
Forest View	Village	Cook	792	698	+13.5%	1.168	3.03	678.1/sq mi (261.8/km²)
Forrest	Village	Livingston	1,041	1,220	−14.7%	0.648	1.68	1,606.5/sq mi (620.3/km²)
Forreston	Village	Ogle	1,435	1,446	−0.8%	0.943	2.44	1,521.7/sq mi (587.5/km²)
Forsyth	Village	Macon	3,734	3,490	+7.0%	3.130	8.11	1,193.0/sq mi (460.6/km²)
Fox Lake	Village	Lake McHenry	10,978	10,579	+3.8%	7.833	20.29	1,401.5/sq mi (541.1/km²)
Fox River Grove	Village	McHenry Lake	4,702	4,854	−3.1%	1.711	4.43	2,748.1/sq mi (1,061.0/km²)
Frankfort	Village	Will	20,296	17,782	+14.1%	15.788	40.89	1,285.5/sq mi (496.3/km²)
Franklin	Village	Morgan	610	610	0.0%	0.829	2.15	735.8/sq mi (284.1/km²)
Franklin Grove	Village	Lee	896	1,021	−12.2%	0.467	1.21	1,918.6/sq mi (740.8/km²)
Franklin Park	Village	Cook	18,467	18,333	+0.7%	4.772	12.36	3,869.9/sq mi (1,494.2/km²)
Freeburg	Village	St. Clair	4,582	4,354	+5.2%	6.836	17.71	670.3/sq mi (258.8/km²)
Freeman Spur	Village	Williamson Franklin	268	287	−6.6%	0.399	1.03	671.7/sq mi (259.3/km²)
Freeport†	City	Stephenson	23,973	25,638	−6.5%	11.881	30.77	2,017.8/sq mi (779.1/km²)
Fulton	City	Whiteside	3,647	3,481	+4.8%	2.338	6.06	1,559.9/sq mi (602.3/km²)
Fults	Village	Monroe	28	26	+7.7%	0.053	0.14	528.3/sq mi (204.0/km²)
Galatia	Village	Saline	827	933	−11.4%	1.952	5.06	423.7/sq mi (163.6/km²)
Galena†	City	Jo Daviess	3,308	3,429	−3.5%	4.492	11.63	736.4/sq mi (284.3/km²)
Galesburg†	City	Knox	30,052	32,195	−6.7%	17.743	45.95	1,693.7/sq mi (654.0/km²)
Galva	City	Henry	2,470	2,589	−4.6%	2.755	7.14	896.6/sq mi (346.2/km²)
Gardner	Village	Grundy	1,366	1,463	−6.6%	2.912	7.54	469.1/sq mi (181.1/km²)
Garrett	Village	Douglas	122	162	−24.7%	0.108	0.28	1,129.6/sq mi (436.2/km²)
Gays	Village	Moultrie	218	281	−22.4%	0.386	1.00	564.8/sq mi (218.1/km²)
Geneseo	City	Henry	6,539	6,586	−0.7%	4.646	12.03	1,407.4/sq mi (543.4/km²)
Geneva†	City	Kane	21,393	21,495	−0.5%	9.919	25.69	2,156.8/sq mi (832.7/km²)
Genoa	City	DeKalb	5,298	5,193	+2.0%	2.590	6.71	2,045.6/sq mi (789.8/km²)
Georgetown	City	Vermilion	3,143	3,474	−9.5%	1.616	4.19	1,944.9/sq mi (750.9/km²)
Germantown	Village	Clinton	1,324	1,269	+4.3%	1.014	2.63	1,305.7/sq mi (504.1/km²)
Germantown Hills	Village	Woodford	3,412	3,438	−0.8%	1.636	4.24	2,085.6/sq mi (805.2/km²)
German Valley	Village	Stephenson	433	463	−6.5%	0.478	1.24	905.9/sq mi (349.8/km²)
Gibson City	City	Ford	3,475	3,407	+2.0%	2.321	6.01	1,497.2/sq mi (578.1/km²)
Gifford	Village	Champaign	911	975	−6.6%	0.444	1.15	2,051.8/sq mi (792.2/km²)
Gilberts	Village	Kane	8,366	6,879	+21.6%	5.489	14.22	1,524.1/sq mi (588.5/km²)
Gillespie	City	Macoupin	3,168	3,319	−4.5%	1.484	3.84	2,134.8/sq mi (824.2/km²)
Gilman	City	Iroquois	1,738	1,814	−4.2%	2.433	6.30	714.3/sq mi (275.8/km²)
Girard	City	Macoupin	1,785	2,103	−15.1%	0.934	2.42	1,911.1/sq mi (737.9/km²)
Gladstone	Village	Henderson	234	281	−16.7%	0.360	0.93	650.0/sq mi (251.0/km²)
Glasford	Village	Peoria	866	1,022	−15.3%	0.908	2.35	953.7/sq mi (368.2/km²)
Glasgow	Village	Scott	113	141	−19.9%	1.011	2.62	111.8/sq mi (43.2/km²)
Glen Carbon	Village	Madison	13,842	12,934	+7.0%	10.250	26.55	1,350.4/sq mi (521.4/km²)
Glencoe	Village	Cook	8,849	8,723	+1.4%	3.718	9.63	2,380.0/sq mi (918.9/km²)
Glendale Heights	Village	DuPage	33,176	34,208	−3.0%	5.385	13.95	6,160.8/sq mi (2,378.7/km²)
Glen Ellyn	Village	DuPage	28,846	27,450	+5.1%	6.850	17.74	4,211.1/sq mi (1,625.9/km²)
Glenview	Village	Cook	48,705	44,692	+9.0%	14.001	36.26	3,478.7/sq mi (1,343.1/km²)
Glenwood	Village	Cook	8,662	8,969	−3.4%	3.264	8.45	2,653.8/sq mi (1,024.6/km²)
Godfrey	Village	Madison	17,825	17,982	−0.9%	34.395	89.08	518.2/sq mi (200.1/km²)
Godley	Village	Will Grundy	566	601	−5.8%	1.083	2.80	522.6/sq mi (201.8/km²)
Golconda†	City	Pope	630	668	−5.7%	0.510	1.32	1,235.3/sq mi (476.9/km²)
Golden	Village	Adams	648	644	+0.6%	0.642	1.66	1,009.3/sq mi (389.7/km²)
Golden Gate	Village	Wayne	65	68	−4.4%	0.079	0.20	822.8/sq mi (317.7/km²)
Golf	Village	Cook	514	500	+2.8%	0.448	1.16	1,147.3/sq mi (443.0/km²)
Goodfield	Village	Woodford Tazewell	936	860	+8.8%	1.622	4.20	577.1/sq mi (222.8/km²)
Good Hope	Village	McDonough	363	396	−8.3%	0.300	0.78	1,210.0/sq mi (467.2/km²)
Goreville	Village	Johnson	1,068	1,049	+1.8%	2.686	6.96	397.6/sq mi (153.5/km²)
Gorham	Village	Jackson	173	236	−26.7%	1.219	3.16	141.9/sq mi (54.8/km²)
Grafton	City	Jersey	626	674	−7.1%	3.712	9.61	168.6/sq mi (65.1/km²)
Grand Ridge	Village	LaSalle	515	560	−8.0%	0.462	1.20	1,114.7/sq mi (430.4/km²)
Grand Tower	City	Jackson	479	605	−20.8%	1.248	3.23	383.8/sq mi (148.2/km²)
Grandview	Village	Sangamon	1,405	1,441	−2.5%	0.335	0.87	4,194.0/sq mi (1,619.3/km²)
Granite City	City	Madison	27,549	29,849	−7.7%	19.024	49.27	1,448.1/sq mi (559.1/km²)
Grantfork	Village	Madison	341	337	+1.2%	0.337	0.87	1,011.9/sq mi (390.7/km²)
Grant Park	Village	Kankakee	1,294	1,331	−2.8%	3.413	8.84	379.1/sq mi (146.4/km²)
Granville	Village	Putnam	1,359	1,427	−4.8%	1.307	3.39	1,039.8/sq mi (401.5/km²)
Grayslake	Village	Lake	21,248	20,957	+1.4%	10.900	28.23	1,949.4/sq mi (752.7/km²)
Grayville	City	Edwards White	1,550	1,666	−7.0%	2.127	5.51	728.7/sq mi (281.4/km²)
Greenfield	City	Greene	1,059	1,071	−1.1%	1.714	4.44	617.9/sq mi (238.6/km²)
Green Oaks	Village	Lake	4,128	3,866	+6.8%	3.985	10.32	1,035.9/sq mi (400.0/km²)
Greenup	Village	Cumberland	1,365	1,513	−9.8%	1.750	4.53	780.0/sq mi (301.2/km²)
Green Valley	Village	Tazewell	630	709	−11.1%	0.301	0.78	2,093.0/sq mi (808.1/km²)
Greenview	Village	Menard	745	778	−4.2%	0.859	2.22	867.3/sq mi (334.9/km²)
Greenville†	City	Bond	7,083	7,000	+1.2%	6.309	16.34	1,122.7/sq mi (433.5/km²)
Greenwood	Village	McHenry	324	255	+27.1%	2.632	6.82	123.1/sq mi (47.5/km²)
Gridley	Village	McLean	1,456	1,432	+1.7%	1.233	3.19	1,180.9/sq mi (455.9/km²)
Griggsville	City	Pike	1,097	1,226	−10.5%	1.106	2.86	991.9/sq mi (383.0/km²)
Gulfport	Village	Henderson	42	54	−22.2%	1.412	3.66	29.7/sq mi (11.5/km²)
Gurnee	Village	Lake	30,706	31,295	−1.9%	13.503	34.97	2,274.0/sq mi (878.0/km²)
Hainesville	Village	Lake	3,546	3,597	−1.4%	1.847	4.78	1,919.9/sq mi (741.3/km²)
Hamburg	Village	Calhoun	99	128	−22.7%	0.522	1.35	189.7/sq mi (73.2/km²)
Hamel	Village	Madison	929	816	+13.8%	1.190	3.08	780.7/sq mi (301.4/km²)
Hamilton	City	Hancock	2,753	2,951	−6.7%	3.561	9.22	773.1/sq mi (298.5/km²)
Hammond	Village	Piatt	508	509	−0.2%	0.757	1.96	671.1/sq mi (259.1/km²)
Hampshire	Village	Kane	7,667	5,563	+37.8%	9.505	24.62	806.6/sq mi (311.4/km²)
Hampton	Village	Rock Island	1,779	1,863	−4.5%	1.461	3.78	1,217.7/sq mi (470.1/km²)
Hanaford	Village	Franklin	320	327	−2.1%	1.008	2.61	317.5/sq mi (122.6/km²)
Hanna City	Village	Peoria	1,253	1,225	+2.3%	1.278	3.31	980.4/sq mi (378.5/km²)
Hanover	Village	Jo Daviess	863	844	+2.3%	1.122	2.91	769.2/sq mi (297.0/km²)
Hanover Park	Village	DuPage	37,470	37,973	−1.3%	6.422	16.63	5,834.6/sq mi (2,252.8/km²)
Hardin†	Village	Calhoun	801	967	−17.2%	2.128	5.51	376.4/sq mi (145.3/km²)
Harmon	Village	Lee	111	120	−7.5%	0.149	0.39	745.0/sq mi (287.6/km²)
Harrisburg†	City	Saline	8,219	9,017	−8.8%	6.612	17.13	1,243.0/sq mi (479.9/km²)
Harristown	Village	Macon	1,310	1,367	−4.2%	1.797	4.65	729.0/sq mi (281.5/km²)
Hartford	Village	Madison	1,185	1,429	−17.1%	5.166	13.38	229.4/sq mi (88.6/km²)
Hartsburg	Village	Logan	262	314	−16.6%	0.150	0.39	1,746.7/sq mi (674.4/km²)
Harvard	City	McHenry	9,469	9,447	+0.2%	8.355	21.64	1,133.3/sq mi (437.6/km²)
Harvel	Village	Montgomery Christian	178	223	−20.2%	0.718	1.86	247.9/sq mi (95.7/km²)
Harvey	City	Cook	20,324	25,282	−19.6%	6.206	16.07	3,274.9/sq mi (1,264.4/km²)
Harwood Heights	Village	Cook	9,065	8,612	+5.3%	0.825	2.14	10,987.9/sq mi (4,242.4/km²)
Havana†	City	Mason	2,963	3,301	−10.2%	2.776	7.19	1,067.4/sq mi (412.1/km²)
Hawthorn Woods	Village	Lake	9,062	7,663	+18.3%	8.046	20.84	1,126.3/sq mi (434.9/km²)
Hazel Crest	Village	Cook	13,382	14,100	−5.1%	3.397	8.80	3,939.4/sq mi (1,521.0/km²)
Hebron	Village	McHenry	1,368	1,216	+12.5%	1.931	5.00	708.4/sq mi (273.5/km²)
Hecker	Village	Monroe	429	481	−10.8%	0.253	0.66	1,695.7/sq mi (654.7/km²)
Henderson	Village	Knox	266	255	+4.3%	0.265	0.69	1,003.8/sq mi (387.6/km²)
Hennepin†	Village	Putnam	769	757	+1.6%	5.307	13.75	144.9/sq mi (55.9/km²)
Henning	Village	Vermilion	210	251	−16.3%	1.524	3.95	137.8/sq mi (53.2/km²)
Henry	City	Marshall	2,320	2,464	−5.8%	1.797	4.65	1,291.0/sq mi (498.5/km²)
Herrick	Village	Shelby	358	436	−17.9%	0.366	0.95	978.1/sq mi (377.7/km²)
Herrin	City	Williamson	12,352	12,501	−1.2%	9.673	25.05	1,277.0/sq mi (493.0/km²)
Herscher	Village	Kankakee	1,521	1,591	−4.4%	1.813	4.70	838.9/sq mi (323.9/km²)
Hettick	Village	Macoupin	149	181	−17.7%	0.365	0.95	408.2/sq mi (157.6/km²)
Heyworth	Village	McLean	2,791	2,841	−1.8%	3.026	7.84	922.3/sq mi (356.1/km²)
Hickory Hills	City	Cook	14,505	14,049	+3.2%	2.844	7.37	5,100.2/sq mi (1,969.2/km²)
Hidalgo	Village	Jasper	111	106	+4.7%	0.344	0.89	322.7/sq mi (124.6/km²)
Highland	City	Madison	9,991	9,919	+0.7%	6.751	17.49	1,479.9/sq mi (571.4/km²)
Highland Park	City	Lake	30,176	29,763	+1.4%	12.241	31.70	2,465.2/sq mi (951.8/km²)
Highwood	City	Lake	5,074	5,405	−6.1%	0.721	1.87	7,037.4/sq mi (2,717.2/km²)
Hillcrest	Village	Ogle	1,224	1,326	−7.7%	3.549	9.19	344.9/sq mi (133.2/km²)
Hillsboro†	City	Montgomery	5,902	6,207	−4.9%	8.262	21.40	714.4/sq mi (275.8/km²)
Hillsdale	Village	Rock Island	417	523	−20.3%	0.648	1.68	643.5/sq mi (248.5/km²)
Hillside	Village	Cook	8,320	8,157	+2.0%	3.168	8.21	2,626.3/sq mi (1,014.0/km²)
Hillview	Village	Greene	94	193	−51.3%	0.816	2.11	115.2/sq mi (44.5/km²)
Hinckley	Village	DeKalb	2,006	2,070	−3.1%	0.847	2.19	2,368.4/sq mi (914.4/km²)
Hindsboro	Village	Douglas	275	313	−12.1%	0.269	0.70	1,022.3/sq mi (394.7/km²)
Hinsdale	Village	DuPage Cook	17,395	16,816	+3.4%	4.623	11.97	3,762.7/sq mi (1,452.8/km²)
Hodgkins	Village	Cook	1,500	1,897	−20.9%	2.712	7.02	553.1/sq mi (213.6/km²)
Hoffman	Village	Clinton	439	508	−13.6%	0.506	1.31	867.6/sq mi (335.0/km²)
Hoffman Estates	Village	Cook	52,530	51,895	+1.2%	21.065	54.56	2,493.7/sq mi (962.8/km²)
Holiday Hills	Village	McHenry	618	610	+1.3%	0.934	2.42	661.7/sq mi (255.5/km²)
Hollowayville	Village	Bureau	36	84	−57.1%	0.049	0.13	734.7/sq mi (283.7/km²)
Homer	Village	Champaign	1,073	1,193	−10.1%	0.980	2.54	1,094.9/sq mi (422.7/km²)
Homer Glen	Village	Will	24,543	24,220	+1.3%	22.125	57.30	1,109.3/sq mi (428.3/km²)
Hometown	City	Cook	4,343	4,349	−0.1%	0.479	1.24	9,066.8/sq mi (3,500.7/km²)
Homewood	Village	Cook	19,463	19,323	+0.7%	5.216	13.51	3,731.4/sq mi (1,440.7/km²)
Hoopeston	City	Vermilion	4,915	5,351	−8.1%	3.686	9.55	1,333.4/sq mi (514.8/km²)
Hooppole	Village	Henry	180	204	−11.8%	0.372	0.96	483.9/sq mi (186.8/km²)
Hopedale	Village	Tazewell	830	865	−4.0%	0.882	2.28	941.0/sq mi (363.3/km²)
Hopewell	Village	Marshall	421	410	+2.7%	1.135	2.94	370.9/sq mi (143.2/km²)
Hopkins Park	Village	Kankakee	597	603	−1.0%	4.137	10.71	144.3/sq mi (55.7/km²)
Hoyleton	Village	Washington	520	531	−2.1%	0.760	1.97	684.2/sq mi (264.2/km²)
Hudson	Village	McLean	1,753	1,838	−4.6%	0.818	2.12	2,143.0/sq mi (827.4/km²)
Huey	Village	Clinton	160	169	−5.3%	0.216	0.56	740.7/sq mi (286.0/km²)
Hull	Village	Pike	392	461	−15.0%	1.825	4.73	214.8/sq mi (82.9/km²)
Humboldt	Village	Coles	361	437	−17.4%	0.343	0.89	1,052.5/sq mi (406.4/km²)
Hume	Village	Edgar	325	380	−14.5%	0.566	1.47	574.2/sq mi (221.7/km²)
Huntley	Village	McHenry Kane	27,740	24,291	+14.2%	14.289	37.01	1,941.4/sq mi (749.6/km²)
Hurst	City	Williamson	764	795	−3.9%	0.887	2.30	861.3/sq mi (332.6/km²)
Hutsonville	Village	Crawford	478	554	−13.7%	0.622	1.61	768.5/sq mi (296.7/km²)
Illiopolis	Village	Sangamon	846	891	−5.1%	0.677	1.75	1,249.6/sq mi (482.5/km²)
Ina	Village	Jefferson	1,641	2,338	−29.8%	2.405	6.23	682.3/sq mi (263.4/km²)
Indian Creek	Village	Lake	536	462	+16.0%	0.267	0.69	2,007.5/sq mi (775.1/km²)
Indian Head Park	Village	Cook	4,065	3,809	+6.7%	0.930	2.41	4,371.0/sq mi (1,687.6/km²)
Indianola	Village	Vermilion	227	276	−17.8%	0.388	1.00	585.1/sq mi (225.9/km²)
Industry	Village	McDonough	399	478	−16.5%	0.460	1.19	867.4/sq mi (334.9/km²)
Inverness	Village	Cook	7,616	7,399	+2.9%	6.534	16.92	1,165.6/sq mi (450.0/km²)
Iola	Village	Clay	98	141	−30.5%	0.964	2.50	101.7/sq mi (39.3/km²)
Ipava	Village	Fulton	447	470	−4.9%	0.268	0.69	1,667.9/sq mi (644.0/km²)
Iroquois	Village	Iroquois	133	154	−13.6%	0.567	1.47	234.6/sq mi (90.6/km²)
Irving	Village	Montgomery	373	495	−24.6%	0.897	2.32	415.8/sq mi (160.6/km²)
Irvington	Village	Washington	581	659	−11.8%	1.010	2.62	575.2/sq mi (222.1/km²)
Irwin	Village	Kankakee	68	74	−8.1%	0.045	0.12	1,511.1/sq mi (583.4/km²)
Island Lake	Village	Lake McHenry	8,051	8,080	−0.4%	3.348	8.67	2,404.7/sq mi (928.5/km²)
Itasca	Village	DuPage	9,543	8,649	+10.3%	5.022	13.01	1,900.2/sq mi (733.7/km²)
Iuka	Village	Marion	512	489	+4.7%	0.733	1.90	698.5/sq mi (269.7/km²)
Ivesdale	Village	Champaign	265	267	−0.7%	0.716	1.85	370.1/sq mi (142.9/km²)
Jacksonville†	City	Morgan	17,616	19,446	−9.4%	10.563	27.36	1,667.7/sq mi (643.9/km²)
Jeffersonville	Village	Wayne	355	367	−3.3%	1.012	2.62	350.8/sq mi (135.4/km²)
Jeisyville	Village	Christian	102	107	−4.7%	0.122	0.32	836.1/sq mi (322.8/km²)
Jerome	Village	Sangamon	1,692	1,656	+2.2%	0.462	1.20	3,662.3/sq mi (1,414.0/km²)
Jerseyville†	City	Jersey	8,337	8,465	−1.5%	5.237	13.56	1,591.9/sq mi (614.7/km²)
Jewett	Village	Cumberland	196	223	−12.1%	1.005	2.60	195.0/sq mi (75.3/km²)
Johnsburg	Village	McHenry	6,355	6,337	+0.3%	7.163	18.55	887.2/sq mi (342.5/km²)
Johnsonville	Village	Wayne	72	77	−6.5%	0.213	0.55	338.0/sq mi (130.5/km²)
Johnston City	City	Williamson	3,384	3,543	−4.5%	2.116	5.48	1,599.2/sq mi (617.5/km²)
Joliet†	City	Will Kendall	150,362	147,433	+2.0%	64.516	167.10	2,330.6/sq mi (899.9/km²)
Jonesboro†	City	Union	1,711	1,821	−6.0%	2.700	6.99	633.7/sq mi (244.7/km²)
Joppa	Village	Massac	350	360	−2.8%	0.486	1.26	720.2/sq mi (278.1/km²)
Joy	Village	Mercer	372	417	−10.8%	0.428	1.11	869.2/sq mi (335.6/km²)
Junction	Village	Gallatin	56	129	−56.6%	0.826	2.14	67.8/sq mi (26.2/km²)
Junction City	Village	Marion	527	482	+9.3%	0.684	1.77	770.5/sq mi (297.5/km²)
Justice	Village	Cook	12,600	12,926	−2.5%	2.840	7.36	4,436.6/sq mi (1,713.0/km²)
Kampsville	Village	Calhoun	310	328	−5.5%	1.020	2.64	303.9/sq mi (117.3/km²)
Kane	Village	Greene	296	438	−32.4%	0.544	1.41	544.1/sq mi (210.1/km²)
Kaneville	Village	Kane	452	484	−6.6%	0.285	0.74	1,586.0/sq mi (612.3/km²)
Kangley	Village	LaSalle	235	251	−6.4%	0.261	0.68	900.4/sq mi (347.6/km²)
Kankakee†	City	Kankakee	24,052	27,537	−12.7%	15.057	39.00	1,597.4/sq mi (616.8/km²)
Kansas	Village	Edgar	670	787	−14.9%	1.022	2.65	655.6/sq mi (253.1/km²)
Kappa	Village	Woodford	229	227	+0.9%	0.357	0.92	641.5/sq mi (247.7/km²)
Karnak	Village	Pulaski	430	499	−13.8%	1.806	4.68	238.1/sq mi (91.9/km²)
Kaskaskia	Village	Randolph	21	14	+50.0%	0.106	0.27	198.1/sq mi (76.5/km²)
Keenes	Village	Wayne	50	83	−39.8%	0.130	0.34	384.6/sq mi (148.5/km²)
Keensburg	Village	Wabash	174	210	−17.1%	0.260	0.67	669.2/sq mi (258.4/km²)
Keithsburg	City	Mercer	550	609	−9.7%	2.558	6.63	215.0/sq mi (83.0/km²)
Kell	Village	Marion	173	219	−21.0%	1.002	2.60	172.7/sq mi (66.7/km²)
Kempton	Village	Ford	176	231	−23.8%	0.165	0.43	1,066.7/sq mi (411.8/km²)
Kenilworth	Village	Cook	2,514	2,513	0.0%	0.607	1.57	4,141.7/sq mi (1,599.1/km²)
Kenney	Village	De Witt	311	326	−4.6%	0.282	0.73	1,102.8/sq mi (425.8/km²)
Kewanee	City	Henry	12,509	12,916	−3.2%	6.597	17.09	1,896.2/sq mi (732.1/km²)
Keyesport	Village	Clinton Bond	406	421	−3.6%	0.720	1.86	563.9/sq mi (217.7/km²)
Kilbourne	Village	Mason	265	302	−12.3%	0.889	2.30	298.1/sq mi (115.1/km²)
Kildeer	Village	Lake	4,091	3,968	+3.1%	4.230	10.96	967.1/sq mi (373.4/km²)
Kincaid	Village	Christian	1,349	1,505	−10.4%	0.817	2.12	1,651.2/sq mi (637.5/km²)
Kinderhook	Village	Pike	189	216	−12.5%	0.808	2.09	233.9/sq mi (90.3/km²)
Kingston	Village	DeKalb	1,108	1,164	−4.8%	0.984	2.55	1,126.0/sq mi (434.8/km²)
Kingston Mines	Village	Peoria	266	302	−11.9%	1.444	3.74	184.2/sq mi (71.1/km²)
Kinmundy	City	Marion	733	796	−7.9%	1.198	3.10	611.9/sq mi (236.2/km²)
Kinsman	Village	Grundy	90	99	−9.1%	0.068	0.18	1,323.5/sq mi (511.0/km²)
Kirkland	Village	DeKalb	1,650	1,744	−5.4%	1.226	3.18	1,345.8/sq mi (519.6/km²)
Kirkwood	Village	Warren	678	714	−5.0%	0.939	2.43	722.0/sq mi (278.8/km²)
Knoxville	City	Knox	2,901	2,911	−0.3%	2.350	6.09	1,234.5/sq mi (476.6/km²)
Lacon†	City	Marshall	1,878	1,937	−3.0%	1.600	4.14	1,173.8/sq mi (453.2/km²)
Ladd	Village	Bureau	1,263	1,295	−2.5%	1.209	3.13	1,044.7/sq mi (403.3/km²)
La Fayette	Village	Stark	160	223	−28.3%	0.189	0.49	846.6/sq mi (326.9/km²)
La Grange	Village	Cook	16,321	15,550	+5.0%	2.525	6.54	6,463.8/sq mi (2,495.7/km²)
La Grange Park	Village	Cook	13,475	13,579	−0.8%	2.233	5.78	6,034.5/sq mi (2,329.9/km²)
La Harpe	City	Hancock	1,175	1,235	−4.9%	1.364	3.53	861.4/sq mi (332.6/km²)
Lake Barrington	Village	Lake	5,100	4,973	+2.6%	5.736	14.86	889.1/sq mi (343.3/km²)
Lake Bluff	Village	Lake	5,616	5,722	−1.9%	4.075	10.55	1,378.2/sq mi (532.1/km²)
Lake Forest	City	Lake	19,367	19,375	0.0%	17.200	44.55	1,126.0/sq mi (434.7/km²)
Lake in the Hills	Village	McHenry	28,982	28,965	+0.1%	10.203	26.43	2,840.5/sq mi (1,096.7/km²)
Lake Ka-Ho	Village	Macoupin	194	237	−18.1%	0.284	0.74	683.1/sq mi (263.7/km²)
Lakemoor	Village	McHenry Lake	6,182	6,017	+2.7%	5.263	13.63	1,174.6/sq mi (453.5/km²)
Lake Villa	Village	Lake	8,741	8,741	0.0%	6.515	16.87	1,341.7/sq mi (518.0/km²)
Lakewood	Village	McHenry	4,283	3,811	+12.4%	4.587	11.88	933.7/sq mi (360.5/km²)
Lake Zurich	Village	Lake	19,759	19,631	+0.7%	6.868	17.79	2,877.0/sq mi (1,110.8/km²)
La Moille	Village	Bureau	679	726	−6.5%	1.156	2.99	587.4/sq mi (226.8/km²)
Lanark	City	Carroll	1,504	1,457	+3.2%	1.121	2.90	1,341.7/sq mi (518.0/km²)
Lansing	Village	Cook	29,076	28,331	+2.6%	7.462	19.33	3,896.5/sq mi (1,504.5/km²)
La Prairie	Village	Adams	42	47	−10.6%	0.193	0.50	217.6/sq mi (84.0/km²)
La Rose	Village	Marshall	98	144	−31.9%	0.255	0.66	384.3/sq mi (148.4/km²)
LaSalle	City	LaSalle	9,582	9,609	−0.3%	13.457	34.85	712.0/sq mi (274.9/km²)
Latham	Village	Logan	333	380	−12.4%	0.273	0.71	1,219.8/sq mi (471.0/km²)
Lawrenceville†	City	Lawrence	4,164	4,348	−4.2%	2.164	5.60	1,924.2/sq mi (742.9/km²)
Leaf River	Village	Ogle	432	443	−2.5%	0.869	2.25	497.1/sq mi (191.9/km²)
Lebanon	City	St. Clair	4,691	4,418	+6.2%	2.695	6.98	1,740.6/sq mi (672.1/km²)
Lee	Village	Lee DeKalb	313	337	−7.1%	0.198	0.51	1,580.8/sq mi (610.4/km²)
Leland	Village	LaSalle	951	977	−2.7%	0.534	1.38	1,780.9/sq mi (687.6/km²)
Leland Grove	City	Sangamon	1,454	1,503	−3.3%	0.628	1.63	2,315.3/sq mi (893.9/km²)
Lemont	Village	Cook DuPage	17,629	16,000	+10.2%	8.321	21.55	2,118.6/sq mi (818.0/km²)
Lena	Village	Stephenson	2,772	2,912	−4.8%	2.651	6.87	1,045.6/sq mi (403.7/km²)
Lenzburg	Village	St. Clair	468	521	−10.2%	1.155	2.99	405.2/sq mi (156.4/km²)
Leonore	Village	LaSalle	121	130	−6.9%	0.089	0.23	1,359.6/sq mi (524.9/km²)
Lerna	Village	Coles	226	286	−21.0%	0.115	0.30	1,965.2/sq mi (758.8/km²)
Le Roy	City	McLean	3,512	3,560	−1.3%	2.404	6.23	1,460.9/sq mi (564.1/km²)
Lewistown†	City	Fulton	2,041	2,384	−14.4%	2.000	5.18	1,020.5/sq mi (394.0/km²)
Lexington	City	McLean	2,090	2,060	+1.5%	2.047	5.30	1,021.0/sq mi (394.2/km²)
Liberty	Village	Adams	543	516	+5.2%	0.391	1.01	1,388.7/sq mi (536.2/km²)
Libertyville	Village	Lake	20,579	20,315	+1.3%	8.808	22.81	2,336.4/sq mi (902.1/km²)
Lily Lake	Village	Kane	1,032	993	+3.9%	2.717	7.04	379.8/sq mi (146.7/km²)
Lima	Village	Adams	148	163	−9.2%	0.135	0.35	1,096.3/sq mi (423.3/km²)
Limestone	Village	Kankakee	1,558	1,598	−2.5%	2.622	6.79	594.2/sq mi (229.4/km²)
Lincoln†	City	Logan	13,288	14,504	−8.4%	6.247	16.18	2,127.1/sq mi (821.3/km²)
Lincolnshire	Village	Lake	7,940	7,275	+9.1%	4.559	11.81	1,741.6/sq mi (672.4/km²)
Lincolnwood	Village	Cook	13,463	12,590	+6.9%	2.692	6.97	5,001.1/sq mi (1,930.9/km²)
Lindenhurst	Village	Lake	14,406	14,462	−0.4%	4.527	11.72	3,182.2/sq mi (1,228.7/km²)
Lisbon	Village	Kendall	271	285	−4.9%	2.117	5.48	128.0/sq mi (49.4/km²)
Lisle	Village	DuPage	24,223	22,390	+8.2%	6.901	17.87	3,510.1/sq mi (1,355.2/km²)
Litchfield	City	Montgomery	6,605	6,939	−4.8%	8.989	23.28	734.8/sq mi (283.7/km²)
Littleton	Village	Schuyler	139	181	−23.2%	1.168	3.03	119.0/sq mi (45.9/km²)
Little York	Village	Warren	283	331	−14.5%	0.223	0.58	1,269.1/sq mi (490.0/km²)
Liverpool	Village	Fulton	94	129	−27.1%	0.084	0.22	1,119.0/sq mi (432.1/km²)
Livingston	Village	Madison	763	858	−11.1%	1.040	2.69	733.7/sq mi (283.3/km²)
Loami	Village	Sangamon	812	745	+9.0%	1.012	2.62	802.4/sq mi (309.8/km²)
Lockport	City	Will	26,094	24,839	+5.1%	11.530	29.86	2,263.1/sq mi (873.8/km²)
Loda	Village	Iroquois	356	407	−12.5%	1.467	3.80	242.7/sq mi (93.7/km²)
Lomax	Village	Henderson	404	454	−11.0%	1.189	3.08	339.8/sq mi (131.2/km²)
Lombard	Village	DuPage	44,476	43,165	+3.0%	10.220	26.47	4,351.9/sq mi (1,680.3/km²)
London Mills	Village	Fulton Knox	350	392	−10.7%	0.684	1.77	511.7/sq mi (197.6/km²)
Long Creek	Village	Macon	1,261	1,328	−5.0%	2.825	7.32	446.4/sq mi (172.3/km²)
Long Grove	Village	Lake	8,366	8,043	+4.0%	12.387	32.08	675.4/sq mi (260.8/km²)
Long Point	Village	Livingston	204	226	−9.7%	0.185	0.48	1,102.7/sq mi (425.8/km²)
Longview	Village	Champaign	112	153	−26.8%	0.247	0.64	453.4/sq mi (175.1/km²)
Loraine	Village	Adams	300	313	−4.2%	0.844	2.19	355.5/sq mi (137.2/km²)
Lostant	Village	LaSalle	423	498	−15.1%	1.122	2.91	377.0/sq mi (145.6/km²)
Louisville†	Village	Clay	1,136	1,139	−0.3%	0.828	2.14	1,372.0/sq mi (529.7/km²)
Loves Park	City	Winnebago Boone	23,397	23,996	−2.5%	16.325	42.28	1,433.2/sq mi (553.4/km²)
Lovington	Village	Moultrie	1,069	1,130	−5.4%	0.544	1.41	1,965.1/sq mi (758.7/km²)
Ludlow	Village	Champaign	308	371	−17.0%	0.397	1.03	775.8/sq mi (299.5/km²)
Lyndon	Village	Whiteside	537	648	−17.1%	0.757	1.96	709.4/sq mi (273.9/km²)
Lynnville	Village	Morgan	96	117	−17.9%	0.077	0.20	1,246.8/sq mi (481.4/km²)
Lynwood	Village	Cook	9,116	9,007	+1.2%	4.964	12.86	1,836.4/sq mi (709.0/km²)
Lyons	Village	Cook	10,817	10,729	+0.8%	2.207	5.72	4,901.2/sq mi (1,892.4/km²)
Macedonia	Village	Franklin Hamilton	30	63	−52.4%	0.266	0.69	112.8/sq mi (43.5/km²)
Machesney Park	Village	Winnebago	22,950	23,499	−2.3%	12.685	32.85	1,809.2/sq mi (698.5/km²)
Mackinaw	Village	Tazewell	1,879	1,950	−3.6%	1.189	3.08	1,580.3/sq mi (610.2/km²)
Macomb†	City	McDonough	15,051	19,288	−22.0%	10.570	27.38	1,423.9/sq mi (549.8/km²)
Macon	City	Macon	1,177	1,138	+3.4%	1.451	3.76	811.2/sq mi (313.2/km²)
Madison	City	Madison St. Clair	3,171	3,891	−18.5%	13.955	36.14	227.2/sq mi (87.7/km²)
Maeystown	Village	Monroe	150	157	−4.5%	0.298	0.77	503.4/sq mi (194.3/km²)
Magnolia	Village	Putnam	256	260	−1.5%	0.313	0.81	817.9/sq mi (315.8/km²)
Mahomet	Village	Champaign	9,434	7,258	+30.0%	9.722	25.18	970.4/sq mi (374.7/km²)
Makanda	Village	Jackson	547	561	−2.5%	5.281	13.68	103.6/sq mi (40.0/km²)
Malden	Village	Bureau	318	362	−12.2%	0.272	0.70	1,169.1/sq mi (451.4/km²)
Malta	Village	DeKalb	1,143	1,164	−1.8%	0.612	1.59	1,867.6/sq mi (721.1/km²)
Manchester	Village	Scott	265	292	−9.2%	1.063	2.75	249.3/sq mi (96.3/km²)
Manhattan	Village	Will	9,385	7,051	+33.1%	6.681	17.30	1,404.7/sq mi (542.4/km²)
Manito	Village	Mason	1,552	1,642	−5.5%	1.513	3.92	1,025.8/sq mi (396.1/km²)
Manlius	Village	Bureau	298	359	−17.0%	0.319	0.83	934.2/sq mi (360.7/km²)
Mansfield	Village	Piatt	928	906	+2.4%	0.508	1.32	1,826.8/sq mi (705.3/km²)
Manteno	Village	Kankakee	9,210	9,204	+0.1%	5.344	13.84	1,723.4/sq mi (665.4/km²)
Maple Park	Village	Kane DeKalb	1,433	1,310	+9.4%	2.154	5.58	665.3/sq mi (256.9/km²)
Mapleton	Village	Peoria	261	270	−3.3%	0.885	2.29	294.9/sq mi (113.9/km²)
Maquon	Village	Knox	218	284	−23.2%	0.162	0.42	1,345.7/sq mi (519.6/km²)
Marengo	City	McHenry	7,568	7,648	−1.0%	8.536	22.11	886.6/sq mi (342.3/km²)
Marietta	Village	Fulton	101	112	−9.8%	0.273	0.71	370.0/sq mi (142.8/km²)
Marine	Village	Madison	912	960	−5.0%	0.746	1.93	1,222.5/sq mi (472.0/km²)
Marion†	City	Williamson	16,855	17,193	−2.0%	14.392	37.28	1,171.1/sq mi (452.2/km²)
Marissa	Village	St. Clair	1,833	1,979	−7.4%	7.212	18.68	254.2/sq mi (98.1/km²)
Mark	Village	Putnam	519	555	−6.5%	1.065	2.76	487.3/sq mi (188.2/km²)
Markham	City	Cook	11,661	12,508	−6.8%	5.405	14.00	2,157.4/sq mi (833.0/km²)
Maroa	City	Macon	1,577	1,801	−12.4%	1.763	4.57	894.5/sq mi (345.4/km²)
Marquette Heights	City	Tazewell	2,541	2,824	−10.0%	0.974	2.52	2,608.8/sq mi (1,007.3/km²)
Marseilles	City	LaSalle	4,845	5,094	−4.9%	9.080	23.52	533.6/sq mi (206.0/km²)
Marshall†	City	Clark	3,947	3,933	+0.4%	3.666	9.49	1,076.7/sq mi (415.7/km²)
Martinsville	City	Clark	1,118	1,167	−4.2%	2.021	5.23	553.2/sq mi (213.6/km²)
Martinton	Village	Iroquois	334	381	−12.3%	0.274	0.71	1,219.0/sq mi (470.7/km²)
Maryville	Village	Madison	8,221	7,487	+9.8%	5.676	14.70	1,448.4/sq mi (559.2/km²)
Mascoutah	City	St. Clair	8,754	7,483	+17.0%	9.578	24.81	914.0/sq mi (352.9/km²)
Mason	Town	Effingham	323	345	−6.4%	1.287	3.33	251.0/sq mi (96.9/km²)
Mason City	City	Mason	2,077	2,343	−11.4%	1.014	2.63	2,048.3/sq mi (790.9/km²)
Matherville	Village	Mercer	707	723

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