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Demographics Table

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Demographic Data Report for Illinois by County
Population: Age 40 and over
All Races (includes Hispanic), Both Sexes
2018-2022 American Community Survey 5-Year Data
Sorted by Count

County
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2023 Rural-Urban Continuum Codes Φ
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Value (Percent)
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People (Age 40 And Over)
 sort by sample size ascending
Rank within US
(of 3143 counties)
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United States N/A 48.1 159,204,421 N/A
Illinois N/A 48.2 6,152,621 28 of 52
Cook County Urban 46.5 2,428,705 2,564
DuPage County Urban 49.8 463,325 2,031
Lake County Urban 48.4 345,402 2,302
Will County Urban 48.2 336,041 2,344
Kane County Urban 47.6 246,406 2,428
McHenry County Urban 50.7 157,694 1,832
Winnebago County Urban 49.4 140,581 2,122
Madison County Urban 49.8 132,321 2,024
St. Clair County Urban 49.2 126,256 2,170
Sangamon County Urban 50.9 99,808 1,775
Peoria County Urban 47.6 86,282 2,429
Champaign County Urban 38.2 78,870 3,066
McLean County Urban 42.8 73,357 2,887
Rock Island County Urban 50.2 72,230 1,936
Tazewell County Urban 52.3 68,717 1,394
Kendall County Urban 44.2 58,719 2,798
La Salle County Rural 52.1 57,060 1,452
Macon County Urban 51.0 52,775 1,759
Kankakee County Urban 48.7 52,358 2,251
DeKalb County Urban 40.5 40,781 2,997
Vermilion County Rural 51.2 37,933 1,709
Williamson County Rural 51.9 34,824 1,518
Adams County Rural 52.0 34,114 1,479
Whiteside County Rural 53.9 29,971 1,029
Ogle County Rural 52.8 27,275 1,269
Henry County Urban 54.5 26,790 903
Boone County Urban 49.3 26,335 2,147
Knox County Rural 52.8 26,284 1,258
Stephenson County Rural 56.9 25,296 529
Grundy County Urban 47.9 25,193 2,389
Macoupin County Urban 54.7 24,580 859
Coles County Rural 47.0 22,129 2,506
Jackson County Rural 41.5 22,079 2,956
Franklin County Rural 54.1 20,437 1,007
Marion County Rural 52.0 19,507 1,493
Woodford County Urban 50.1 19,260 1,953
Jefferson County Rural 51.3 19,010 1,661
Clinton County Urban 51.2 18,941 1,704
Livingston County Rural 52.5 18,767 1,360
Monroe County Urban 53.5 18,690 1,105
Fulton County Rural 55.1 18,567 781
Lee County Rural 53.8 18,419 1,047
Bureau County Rural 54.9 18,243 814
Christian County Rural 52.0 17,608 1,494
Morgan County Rural 52.3 17,197 1,404
Effingham County Rural 49.2 17,014 2,169
Randolph County Rural 54.2 16,485 960
Montgomery County Rural 53.2 15,079 1,189
Iroquois County Rural 55.7 15,062 681
Logan County Rural 50.3 14,106 1,915
Jo Daviess County Rural 60.6 13,305 209
Saline County Rural 53.0 12,548 1,219
McDonough County Rural 45.0 12,311 2,734
Shelby County Rural 54.8 11,530 841
Jersey County Urban 53.1 11,403 1,201
Fayette County Rural 52.7 11,322 1,282
Perry County Rural 52.4 11,002 1,377
Hancock County Rural 56.7 9,969 548
Crawford County Rural 52.9 9,913 1,243
Edgar County Rural 57.2 9,647 493
Union County Rural 55.2 9,458 753
Douglas County Rural 47.9 9,447 2,384
Wayne County Rural 54.8 8,834 847
Piatt County Urban 52.6 8,787 1,315
Mercer County Urban 55.6 8,725 696
Carroll County Rural 55.8 8,705 659
Warren County Rural 50.1 8,396 1,962
Richland County Rural 53.4 8,390 1,135
Bond County Urban 50.0 8,370 1,988
De Witt County Rural 53.9 8,368 1,037
Massac County Urban 56.4 7,974 588
Lawrence County Rural 51.9 7,944 1,509
Clark County Rural 51.0 7,885 1,754
Pike County Rural 52.5 7,754 1,353
White County Rural 55.7 7,699 686
Washington County Rural 54.4 7,492 925
Mason County Rural 56.7 7,408 556
Moultrie County Rural 50.9 7,394 1,777
Johnson County Rural 52.8 7,025 1,273
Clay County Rural 52.9 7,008 1,250
Ford County Urban 51.9 6,998 1,514
Marshall County Urban 56.2 6,595 615
Menard County Urban 53.6 6,585 1,094
Greene County Rural 53.6 6,435 1,102
Cass County Rural 48.4 6,272 2,308
Wabash County Rural 55.2 6,244 773
Cumberland County Rural 52.9 5,528 1,249
Jasper County Rural 55.4 5,145 737
Hamilton County Rural 54.4 4,353 926
Schuyler County Rural 61.1 4,206 185
Henderson County Rural 59.0 3,762 329
Edwards County Rural 56.0 3,460 642
Putnam County Rural 57.6 3,241 460
Stark County Urban 56.1 3,027 623
Alexander County Urban 56.8 2,988 537
Brown County Rural 46.7 2,957 2,540
Pulaski County Rural 54.5 2,820 906
Scott County Rural 57.5 2,816 470
Gallatin County Rural 56.5 2,805 577
Calhoun County Urban 61.1 2,731 189
Pope County Rural 63.8 2,423 90
Hardin County Rural 63.7 2,334 95
Notes:
Created by statecancerprofiles.cancer.gov on 02/15/2025 4:18 am.

Φ Rural-Urban Continuum Codes provided by the USDA.

Source: Demographic data provided by the Census Bureau and the American Community Survey.
For more information about Population: Age 40 and over, see the dictionary.

Data for United States does not include Puerto Rico.

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