Cities in Illinois by Gini index

Carbondale, IL had the highest Gini index of 224 cities in 2021, at 58.8. Montgomery, IL had the lowest, at 29.7. The median was 42.1 and the figure for Illinois was 48.1. Source: the U.S. Census Bureau.

Highest58.8Carbondale, IL

Lowest29.7Montgomery, IL

Median42.1224 cities

Illinois48.1History

Top 40 cities, 2021

index. Source: U.S. Census Bureau, American Community Survey 5-year estimates, table B19083: Gini index of household income inequality (coefficient multiplied by 100), US cities (incorporated places of 10,000 or more). Retrieved 2026-10-12.

Full ranking

Rank	Cities	2021 index
1	Carbondale, IL	58.8
2	Urbana, IL	55.3
3	Evanston, IL	55.1
4	Champaign, IL	53.6
5	Macomb, IL	53
6	Burr Ridge, IL	52.9
7	Chicago, IL	52.9
8	Peoria, IL	52.7
9	Normal, IL	52.7
10	Highland Park, IL	51.8
11	Harvey, IL	51.7
12	Canton, IL	51.2
13	Glen Ellyn, IL	50.9
14	Hinsdale, IL	50.8
15	River Forest, IL	50.8
16	Winnetka, IL	50.6
17	Glenview, IL	50.5
18	Wilmette, IL	50.4
19	Barrington, IL	49.6
20	Marion, IL	49.6
21	East St. Louis, IL	49.2
22	Lake Forest, IL	49.2
23	Riverdale, IL	49.1
24	Charleston, IL	49.1
25	Bloomington, IL	49
26	Decatur, IL	48.8
27	Oak Park, IL	48.6
28	DeKalb, IL	48.6
29	Zion, IL	48.5
30	Springfield, IL	48.5
31	Bloomingdale, IL	48
32	La Grange, IL	47.8
33	Edwardsville, IL	47.8
33	Forest Park, IL	47.8
35	Danville, IL	47.7
36	Downers Grove, IL	47.7
37	Rockford, IL	47.7
38	Northbrook, IL	47.4
39	Mount Vernon, IL	47.2
40	Westmont, IL	47.1
41	Kankakee, IL	47
42	Herrin, IL	46.9
43	Streator, IL	46.8
44	Galesburg, IL	46.7
44	Lincolnwood, IL	46.7
46	Deerfield, IL	46.7
47	Niles, IL	46.6
48	Markham, IL	46.5
49	Elmhurst, IL	46.4
50	Rock Island, IL	46.3
51	Centralia, IL	46.1
52	Fox Lake, IL	46.1
53	Prospect Heights, IL	46.1
54	Freeport, IL	46.1
55	Jacksonville, IL	45.9
55	Pontiac, IL	45.9
57	Swansea, IL	45.8
58	Libertyville, IL	45.7
59	Sterling, IL	45.6
60	Effingham, IL	45.5
61	North Chicago, IL	45.4
61	Pingree Grove, IL	45.4
63	Taylorville, IL	45.3
64	Dixon, IL	45.2
65	Wheaton, IL	45.1
66	St. Charles, IL	45.1
67	Park Ridge, IL	45
68	Chicago Heights, IL	44.9
69	Quincy, IL	44.9
70	Alton, IL	44.8
71	Lincoln, IL	44.8
72	Oak Lawn, IL	44.7
73	Hazel Crest, IL	44.6
74	Skokie, IL	44.4
75	Western Springs, IL	44.4
76	Waukegan, IL	44.3
77	Moline, IL	44.3
78	McHenry, IL	44.2
79	Collinsville, IL	43.9
80	Palatine, IL	43.7
81	Richton Park, IL	43.6
82	Blue Island, IL	43.5
83	Mattoon, IL	43.5
84	Elmwood Park, IL	43.4
84	Lansing, IL	43.4
86	Batavia, IL	43.4
87	Shiloh, IL	43.4
88	Geneva, IL	43.2
89	Loves Park, IL	43.2
90	Gurnee, IL	43.1
90	La Grange Park, IL	43.1
92	Kewanee, IL	43
93	Norridge, IL	43
94	Orland Park, IL	43
95	Justice, IL	42.9
96	Belleville, IL	42.9
97	Maywood, IL	42.9
98	Pekin, IL	42.8
98	Vernon Hills, IL	42.8
100	West Chicago, IL	42.8
101	Lyons, IL	42.7
102	Naperville, IL	42.7
103	Matteson, IL	42.7
104	Burbank, IL	42.7
105	Des Plaines, IL	42.7
106	Summit, IL	42.6
107	Ottawa, IL	42.6
108	Aurora, IL	42.6
109	Huntley, IL	42.4
110	East Peoria, IL	42.3
111	Buffalo Grove, IL	42.3
112	Arlington Heights, IL	42.1
112	Lisle, IL	42.1
114	Darien, IL	42.1
115	Carpentersville, IL	41.9
116	Bridgeview, IL	41.9
117	Hickory Hills, IL	41.9
118	Granite City, IL	41.9
119	Glen Carbon, IL	41.8
120	Calumet City, IL	41.8
121	Worth, IL	41.7
122	Dolton, IL	41.5
123	Rantoul, IL	41.4
124	Wheeling, IL	41.4
125	Midlothian, IL	41.4
126	Wood River, IL	41.3
127	Woodstock, IL	41.3
128	Country Club Hills, IL	41.3
129	Woodridge, IL	41.3
130	Mount Prospect, IL	41.3
131	Alsip, IL	40.9
131	Palos Hills, IL	40.9
133	Grayslake, IL	40.9
133	Washington, IL	40.9
135	Addison, IL	40.8
136	Columbia, IL	40.8
137	Homewood, IL	40.8
138	Berwyn, IL	40.8
139	Joliet, IL	40.7
140	Troy, IL	40.6
141	Schiller Park, IL	40.4
142	East Moline, IL	40.4
142	Morton Grove, IL	40.4
144	Morton, IL	40.4
145	Schaumburg, IL	40.4
146	River Grove, IL	40.3
147	Sycamore, IL	40.3
148	Tinley Park, IL	40.3
149	O'Fallon, IL	40.2
150	South Holland, IL	40.2
151	Bourbonnais, IL	40.2
152	Lombard, IL	40.2
153	Bolingbrook, IL	40.1
154	Melrose Park, IL	40.1
155	Round Lake, IL	40.1
156	Cicero, IL	40
157	Bellwood, IL	39.9
158	Chicago Ridge, IL	39.8
159	Campton Hills, IL	39.8
160	Fairview Heights, IL	39.7
161	Rolling Meadows, IL	39.7
162	Lemont, IL	39.7
163	North Aurora, IL	39.6
164	Antioch, IL	39.6
165	Belvidere, IL	39.5
166	Wauconda, IL	39.4
167	Lake Zurich, IL	39.3
168	Franklin Park, IL	39.3
169	Brookfield, IL	39.3
170	Westchester, IL	39.2
171	South Elgin, IL	39.1
172	Crystal Lake, IL	39.1
173	Villa Park, IL	39.1
174	Machesney Park, IL	39
175	Chatham, IL	38.9
176	Palos Heights, IL	38.8
177	Crestwood, IL	38.8
178	Elgin, IL	38.7
179	Godfrey, IL	38.7
180	Park Forest, IL	38.6
181	Cary, IL	38.6
182	Morris, IL	38.6
182	Northlake, IL	38.6
184	Hoffman Estates, IL	38.5
185	Bradley, IL	38.3
186	Mokena, IL	38.2
187	Carol Stream, IL	38.2
188	Wood Dale, IL	38.1
189	Evergreen Park, IL	38.1
190	Roselle, IL	38
190	Waterloo, IL	38
192	Homer Glen, IL	37.9
193	Elk Grove Village, IL	37.7
194	Algonquin, IL	37.7
195	Hanover Park, IL	37.7
196	Lockport, IL	37.6
197	Streamwood, IL	37.5
198	Oak Forest, IL	37.5
199	Round Lake Beach, IL	37.5
200	Bensenville, IL	37.4
201	Highland, IL	37.3
202	Warrenville, IL	37.1
203	Bartlett, IL	37
204	Crest Hill, IL	36.9
205	Roscoe, IL	36.8
206	Mahomet, IL	36.5
207	Glendale Heights, IL	36.5
208	Mundelein, IL	36.4
209	Shorewood, IL	36.2
210	Winfield, IL	36.1
211	Frankfort, IL	36
212	Manhattan, IL	35.8
213	Oswego, IL	35.4
214	Beach Park, IL	35.1
214	Channahon, IL	35.1
216	Plainfield, IL	35.1
217	Minooka, IL	34.8
218	New Lenox, IL	34.5
219	Romeoville, IL	33.8
220	Lake in the Hills, IL	33.7
221	Lindenhurst, IL	33
222	Plano, IL	32.7
223	Yorkville, IL	30.8
224	Montgomery, IL	29.7

Other periods

2024
2023
2022
2021

About this ranking

Income inequality on a 0 to 100 scale, where 0 is perfect equality.

Covers Spain, the EU and its countries, and the United States. For other countries use gini_index_world_bank, which is measured on a different basis. US values measure household money income before taxes and are not directly comparable with the EU-SILC measure based on equivalised disposable income.

Every value in the ranking comes from the same publisher and the same period, so the cities are compared on one definition. 1 cities with data in other periods have no value for 2021 and are left out rather than filled from another source. Equal values share a rank.

How to cite

U.S. Census Bureau. American Community Survey 5-year estimates, table B19083: Gini index of household income inequality (coefficient multiplied by 100), US cities (incorporated places of 10,000 or more). https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b19083.dat. 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). American Community Survey 5-year estimates, table B19083: Gini index of household income inequality (coefficient multiplied by 100), US cities (incorporated places of 10,000 or more) (Cities in Illinois by Gini index, 2021) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b19083.dat

MLA 9

American Community Survey 5-year estimates, table B19083: Gini index of household income inequality (coefficient multiplied by 100), US cities (incorporated places of 10,000 or more), Cities in Illinois by Gini index, 2021. U.S. Census Bureau, 29 Jan. 2026, https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b19083.dat. Invokely, https://invokely.ai/rankings/gini/illinois-cities?period=2021. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. American Community Survey 5-year estimates, table B19083: Gini index of household income inequality (coefficient multiplied by 100), US cities (incorporated places of 10,000 or more). Cities in Illinois by Gini index, 2021. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b19083.dat. Also distributed by Invokely, https://invokely.ai/rankings/gini/illinois-cities?period=2021.

Harvard

U.S. Census Bureau (2026) American Community Survey 5-year estimates, table B19083: Gini index of household income inequality (coefficient multiplied by 100), US cities (incorporated places of 10,000 or more), Cities in Illinois by Gini index, 2021 [Dataset]. Available at: https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b19083.dat, via Invokely: https://invokely.ai/rankings/gini/illinois-cities?period=2021 (Accessed: 12 October 2026).

BibTeX

@misc{census_cities_in_illinois_by_2021,
  author = {{U.S. Census Bureau}},
  title = {{American Community Survey 5-year estimates, table B19083: Gini index of household income inequality (coefficient multiplied by 100), US cities (incorporated places of 10,000 or more): Cities in Illinois by Gini index, 2021}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b19083.dat},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/gini/illinois-cities?period=2021. Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B19083: Gini index of household income inequality (coefficient multiplied by 100), US cities (incorporated places of 10,000 or more). https://www2.census.gov/programs-surveys/acs/summary\_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b19083.dat. Retrieved 2026-10-12.},
}

RIS

TY  - DATA
AU  - U.S. Census Bureau
TI  - American Community Survey 5-year estimates, table B19083: Gini index of household income inequality (coefficient multiplied by 100), US cities (incorporated places of 10,000 or more): Cities in Illinois by Gini index, 2021
PY  - 2026
DA  - 2026/01/29
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b19083.dat
L2  - https://invokely.ai/rankings/gini/illinois-cities?period=2021
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/gini/illinois-cities?period=2021.
N1  - Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table B19083: Gini index of household income inequality (coefficient multiplied by 100), US cities (incorporated places of 10,000 or more). https://www2.census.gov/programs-surveys/acs/summary_file/2021/table-based-SF/data/5YRData/acsdt5y2021-b19083.dat. Retrieved 2026-10-12.
ER  -

Embed this chart

Paste this code into a web page or a blog post. The chart shows the latest figures as they are published, with the source and a link back to this page.

Embed code

<iframe src="https://invokely.ai/embed/rankings/gini/illinois-cities?period=2021" width="760" height="500" title="Cities in Illinois by Gini index, 2021, chart from Invokely" loading="lazy" style="border:0;width:100%;max-width:760px" referrerpolicy="strict-origin-when-cross-origin"></iframe>

Sites that read oEmbed links, such as WordPress, can show the chart when you paste the link to this page.

Use this data in your AI agent

Invokely serves this figure to AI assistants through MCP and to code through a REST API, with the source and citation attached. Ask your assistant:

Rank Cities in Illinois by Gini index using official data, and cite the source.

rank_places {"indicator":"gini_index","level":"municipality","within":"Illinois","limit":10}
GET https://invokely.ai/api/v1/rank?indicator=gini_index&level=municipality&within=Illinois&limit=10

Connect Claude, ChatGPT or Cursor in one step. The trial answers 25 calls a day without an account.

Questions

Which city has the highest Gini index?

Carbondale, IL, with 58.8 in 2021, according to the U.S. Census Bureau.

Which city has the lowest Gini index?

Montgomery, IL, with 29.7 in 2021.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, American Community Survey 5-year estimates, table B19083: Gini index of household income inequality (coefficient multiplied by 100), US cities (incorporated places of 10,000 or more). Retrieved 2026-10-12. 1 cities have no value for 2021 and are not ranked.