Cities in Illinois by population

Chicago, IL had the highest population of 225 cities in 2024, at 2.73 million. Highland, IL had the lowest, at 10,046. The median was 21,240 and the figure for Illinois was 12.7 million. Source: the U.S. Census Bureau.

Highest2,726,332Chicago, IL

Lowest10,046Highland, IL

Median21,240225 cities

Illinois12,703,033History

Top 40 cities, 2024

persons. Source: U.S. Census Bureau, Annual estimates of the resident population for incorporated places, 1 July (Population Estimates Program, subcounty totals). Retrieved 2026-10-12.

Full ranking

Rank	Cities	2024 persons	Change on 2023
1	Chicago, IL	2,726,332	+1%
2	Aurora, IL	180,910	+0.7%
3	Naperville, IL	152,548	+1.2%
4	Joliet, IL	151,904	+0.5%
5	Rockford, IL	147,098	+0.4%
6	Elgin, IL	114,988	+0.9%
7	Springfield, IL	112,996	0%
8	Peoria, IL	110,940	+0.2%
9	Champaign, IL	90,617	+0.4%
10	Waukegan, IL	88,190	-0%
11	Cicero, IL	82,124	+0.5%
12	Bloomington, IL	78,906	+0.3%
13	Schaumburg, IL	77,120	+1%
14	Evanston, IL	76,430	+0.6%
15	Arlington Heights, IL	75,640	+0.7%
16	Bolingbrook, IL	74,770	+0.5%
17	Decatur, IL	68,408	-0.5%
18	Palatine, IL	65,942	+0.9%
19	Skokie, IL	65,914	+0.6%
20	Des Plaines, IL	58,868	+0.6%
21	Orland Park, IL	57,987	+0.9%
22	Oak Lawn, IL	56,552	+0.7%
23	Mount Prospect, IL	55,490	+1.3%
24	Berwyn, IL	55,158	+0.5%
25	Tinley Park, IL	54,860	+1%
26	Wheaton, IL	53,361	+0.3%
27	Normal, IL	53,225	+0.6%
28	Oak Park, IL	52,979	+0.5%
29	Hoffman Estates, IL	50,930	+0.7%
30	Downers Grove, IL	50,325	+0.6%
31	Plainfield, IL	48,825	+2.6%
32	Glenview, IL	47,571	+0.8%
33	Elmhurst, IL	45,833	+0.4%
34	Lombard, IL	44,323	+0.6%
35	Buffalo Grove, IL	42,907	+0.4%
36	Moline, IL	42,232	+0.5%
37	Crystal Lake, IL	41,499	+1.3%
38	Romeoville, IL	41,450	+0.3%
39	Bartlett, IL	40,606	+0.9%
40	Belleville, IL	40,542	-0.7%
41	DeKalb, IL	40,071	+0.2%
42	Urbana, IL	39,684	+0.1%
43	Carol Stream, IL	39,367	+0.5%
44	Quincy, IL	38,853	-0.4%
45	Oswego, IL	38,738	+4.5%
46	Park Ridge, IL	38,500	+0.7%
47	Streamwood, IL	38,338	+0.7%
48	Wheeling, IL	38,331	+0.7%
49	Carpentersville, IL	37,269	-0%
50	Hanover Park, IL	36,627	+0.6%
51	Rock Island, IL	36,243	+0.5%
52	Addison, IL	35,570	+0.6%
53	Calumet City, IL	34,867	+0.6%
54	Northbrook, IL	34,573	+0.8%
55	North Chicago, IL	34,086	+8.6%
56	Woodridge, IL	33,945	+0.6%
57	St. Charles, IL	33,580	+2.2%
58	Glendale Heights, IL	32,713	+0.4%
59	Mundelein, IL	32,486	+1.6%
60	O'Fallon, IL	32,186	0%
61	Elk Grove Village, IL	31,941	+0.6%
62	Pekin, IL	31,325	-0.1%
63	Highland Park, IL	30,648	+0.6%
64	Algonquin, IL	30,528	+1.1%
65	Gurnee, IL	30,400	+0.1%
66	Niles, IL	29,970	+0.6%
67	McHenry, IL	28,836	+1.8%
68	Glen Ellyn, IL	28,762	+0.6%
69	Galesburg, IL	28,696	-0.5%
70	Lake in the Hills, IL	28,687	-0.1%
71	Burbank, IL	28,613	+0.7%
72	New Lenox, IL	28,495	+1.2%
73	Huntley, IL	28,477	+0.6%
74	Danville, IL	28,182	-0.2%
75	Lansing, IL	28,122	+0.6%
76	Wilmette, IL	27,464	+0.7%
77	Round Lake Beach, IL	26,958	+0.1%
78	Granite City, IL	26,920	-0.3%
79	Lockport, IL	26,903	+1%
80	Vernon Hills, IL	26,867	+0.1%
81	Oak Forest, IL	26,834	+1.5%
82	Batavia, IL	26,626	+0.3%
83	Chicago Heights, IL	26,566	+0.6%
84	Edwardsville, IL	26,503	-0.4%
85	Yorkville, IL	25,968	+4.9%
86	Woodstock, IL	25,872	+0.3%
87	Belvidere, IL	25,428	+0.2%
88	West Chicago, IL	25,339	+0.4%
89	Alton, IL	25,049	-0.3%
90	South Elgin, IL	24,973	+2.5%
91	Homer Glen, IL	24,860	+0.9%
92	Morton Grove, IL	24,489	+0.6%
93	Zion, IL	24,443	-0%
94	Westmont, IL	24,191	+0.4%
95	Melrose Park, IL	23,967	+0.6%
96	Collinsville, IL	23,810	-0.3%
97	Elmwood Park, IL	23,732	+0.6%
98	Rolling Meadows, IL	23,729	+0.6%
99	Loves Park, IL	23,616	+0.8%
100	Kankakee, IL	23,465	-0.3%
101	Lisle, IL	23,451	+0.4%
102	Maywood, IL	23,361	+1.3%
103	Freeport, IL	23,311	-0.3%
104	Roselle, IL	22,788	+0.6%
105	Machesney Park, IL	22,787	+0.4%
106	Bloomingdale, IL	22,506	+0.5%
107	East Peoria, IL	22,055	-0.1%
108	Montgomery, IL	21,988	0%
109	Carbondale, IL	21,970	+0.4%
110	Villa Park, IL	21,926	+0.4%
111	Darien, IL	21,917	+0.4%
112	Blue Island, IL	21,844	+0.6%
113	Geneva, IL	21,240	+0.1%
114	Grayslake, IL	21,169	+0.4%
115	Frankfort, IL	21,158	+0.8%
116	Park Forest, IL	21,032	+0.5%
117	South Holland, IL	20,790	+0.6%
118	Dolton, IL	20,712	+0.6%
119	Libertyville, IL	20,545	+0.4%
120	East Moline, IL	20,407	+0.3%
121	Crest Hill, IL	20,224	+0.1%
122	Mokena, IL	19,917	+0.4%
123	Lake Zurich, IL	19,865	+0.2%
124	Harvey, IL	19,795	+1.2%
125	Lake Forest, IL	19,752	+0.8%
126	North Aurora, IL	19,404	+1.4%
127	Evergreen Park, IL	19,325	+0.8%
128	Deerfield, IL	19,064	+0.4%
129	Brookfield, IL	18,903	+0.5%
130	Sycamore, IL	18,859	+0.5%
131	Homewood, IL	18,816	+0.6%
132	Ottawa, IL	18,719	+0.1%
133	Matteson, IL	18,566	+0.7%
134	Bensenville, IL	18,550	+0.4%
134	Round Lake, IL	18,550	+0.1%
136	Shorewood, IL	18,531	+0.5%
137	Alsip, IL	18,504	+0.8%
138	Lemont, IL	18,207	+2.7%
139	Bellwood, IL	18,156	+0.6%
140	Franklin Park, IL	18,086	+0.6%
141	Palos Hills, IL	18,032	+0.7%
142	Cary, IL	18,005	+0.1%
143	East St. Louis, IL	17,941	+0.2%
144	Jacksonville, IL	17,813	-0.4%
145	Bourbonnais, IL	17,702	+0.3%
146	Godfrey, IL	17,635	-0.1%
147	Morton, IL	17,555	0%
148	Hinsdale, IL	17,533	+0.8%
149	Charleston, IL	17,474	-0.3%
150	Cahokia Heights, IL	17,039	-0.8%
151	Marion, IL	17,022	+1%
152	Mattoon, IL	16,624	-0.1%
153	Bridgeview, IL	16,538	+0.7%
154	Westchester, IL	16,335	+0.6%
155	Country Club Hills, IL	16,242	+0.6%
156	Fairview Heights, IL	16,148	-0.3%
157	La Grange, IL	15,952	+0.8%
158	Washington, IL	15,869	0%
159	Prospect Heights, IL	15,573	+0.7%
160	Bradley, IL	15,268	-0.2%
161	Warrenville, IL	15,209	-1.2%
162	Antioch, IL	15,030	+0.8%
163	Norridge, IL	14,838	+0.6%
164	Shiloh, IL	14,657	-0.6%
165	Macomb, IL	14,634	-3.4%
166	Chatham, IL	14,592	+0.3%
167	Morris, IL	14,548	+0.2%
168	Lindenhurst, IL	14,490	+0.5%
169	Sterling, IL	14,487	-0.2%
170	Dixon, IL	14,483	+0.3%
171	Swansea, IL	14,440	-0.5%
172	Channahon, IL	14,368	+1.5%
173	Mount Vernon, IL	14,182	-0.6%
174	Beach Park, IL	14,131	+0.1%
175	Hickory Hills, IL	14,116	+0.8%
176	Wood Dale, IL	14,094	+0.5%
177	Chicago Ridge, IL	14,061	+0.7%
178	Wauconda, IL	13,985	+0.1%
179	Glen Carbon, IL	13,899	+0.1%
180	Midlothian, IL	13,866	+0.7%
181	Forest Park, IL	13,843	+0.6%
182	Western Springs, IL	13,536	+1%
183	La Grange Park, IL	13,475	+0.7%
184	Canton, IL	13,193	+0.3%
185	Lincoln, IL	13,078	+0.1%
186	Lincolnwood, IL	13,065	+0.7%
187	Hazel Crest, IL	13,045	+0.6%
188	Minooka, IL	12,872	+0.1%
189	Plano, IL	12,663	0%
190	Richton Park, IL	12,503	+0.6%
191	Winnetka, IL	12,502	+0.9%
192	Northlake, IL	12,486	+0.7%
193	Effingham, IL	12,414	+0.7%
194	Justice, IL	12,276	+0.7%
195	Herrin, IL	12,250	+0.5%
196	Streator, IL	12,234	-0.2%
197	Kewanee, IL	12,150	-0.4%
198	Palos Heights, IL	12,092	+0.6%
199	Rantoul, IL	12,013	-0.2%
200	Pingree Grove, IL	12,007	+3.7%
201	Centralia, IL	11,888	-0.1%
202	Troy, IL	11,807	+0.9%
203	River Forest, IL	11,421	+1.7%
204	Schiller Park, IL	11,340	+0.7%
205	Markham, IL	11,296	+0.6%
206	Waterloo, IL	11,196	-0.1%
207	Burr Ridge, IL	11,163	+0.8%
208	Roscoe, IL	10,990	+0.6%
209	Columbia, IL	10,960	-0.4%
210	Campton Hills, IL	10,917	+0.7%
211	Pontiac, IL	10,898	-0.4%
212	Fox Lake, IL	10,878	+0.2%
213	Summit, IL	10,778	+0.6%
214	Manhattan, IL	10,763	+1.8%
215	Worth, IL	10,670	+0.7%
216	Barrington, IL	10,597	+0.3%
217	Crestwood, IL	10,541	+0.6%
218	Taylorville, IL	10,460	-0.1%
219	Lyons, IL	10,449	+0.6%
220	River Grove, IL	10,433	+0.6%
221	Mahomet, IL	10,392	+0.8%
222	Riverdale, IL	10,302	+0.6%
223	Wood River, IL	10,271	-0.2%
224	Winfield, IL	10,158	+0.5%
225	Highland, IL	10,046	+0.2%

Other periods

About this ranking

Resident population.

How to cite

U.S. Census Bureau. Annual estimates of the resident population for incorporated places, 1 July (Population Estimates Program, subcounty totals). https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Retrieved 2026-10-12.

Citation styles

The publisher is the author. Invokely is named only as the place the figures were read, where a style asks for it.

APA 7

U.S. Census Bureau. (2026). Annual estimates of the resident population for incorporated places, 1 July (Population Estimates Program, subcounty totals) (Cities in Illinois by population, 2024) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/

MLA 9

Annual estimates of the resident population for incorporated places, 1 July (Population Estimates Program, subcounty totals), Cities in Illinois by population, 2024. U.S. Census Bureau, 14 May 2026, https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Invokely, https://invokely.ai/rankings/population/illinois-cities?period=2024. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. Annual estimates of the resident population for incorporated places, 1 July (Population Estimates Program, subcounty totals). Cities in Illinois by population, 2024. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Also distributed by Invokely, https://invokely.ai/rankings/population/illinois-cities?period=2024.

Harvard

U.S. Census Bureau (2026) Annual estimates of the resident population for incorporated places, 1 July (Population Estimates Program, subcounty totals), Cities in Illinois by population, 2024 [Dataset]. Available at: https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/, via Invokely: https://invokely.ai/rankings/population/illinois-cities?period=2024 (Accessed: 12 October 2026).

BibTeX

@misc{census_cities_in_illinois_by_2024,
  author = {{U.S. Census Bureau}},
  title = {{Annual estimates of the resident population for incorporated places, 1 July (Population Estimates Program, subcounty totals): Cities in Illinois by population, 2024}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/population/illinois-cities?period=2024. Publisher attribution: U.S. Census Bureau. Annual estimates of the resident population for incorporated places, 1 July (Population Estimates Program, subcounty totals). https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Retrieved 2026-10-12.},
}

RIS

TY  - DATA
AU  - U.S. Census Bureau
TI  - Annual estimates of the resident population for incorporated places, 1 July (Population Estimates Program, subcounty totals): Cities in Illinois by population, 2024
PY  - 2026
DA  - 2026/05/14
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/
L2  - https://invokely.ai/rankings/population/illinois-cities?period=2024
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/population/illinois-cities?period=2024.
N1  - Publisher attribution: U.S. Census Bureau. Annual estimates of the resident population for incorporated places, 1 July (Population Estimates Program, subcounty totals). https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Retrieved 2026-10-12.
ER  -

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Questions

Which city has the highest population?

Chicago, IL, with 2.73 million in 2024, according to the U.S. Census Bureau.

Which city has the lowest population?

Highland, IL, with 10,046 in 2024.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, Annual estimates of the resident population for incorporated places, 1 July (Population Estimates Program, subcounty totals). Retrieved 2026-10-12.