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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
2019-2023 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 descending
Rank within US
(of 3143 counties)
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Illinois N/A 48.5 6,157,709 27 of 52
United States N/A 48.3 160,683,909 N/A
Hardin County Rural 64.6 2,339 84
Pope County Rural 65.2 2,448 69
Calhoun County Urban 61.4 2,705 181
Pulaski County Rural 53.6 2,722 1,120
Scott County Rural 56.3 2,731 618
Gallatin County Rural 56.7 2,755 569
Alexander County Urban 58.3 2,940 396
Stark County Urban 55.6 2,960 718
Putnam County Rural 57.3 3,209 511
Brown County Rural 51.9 3,283 1,542
Edwards County Rural 56.6 3,461 580
Henderson County Rural 60.2 3,783 249
Schuyler County Rural 61.8 4,219 169
Hamilton County Rural 54.6 4,350 889
Jasper County Rural 55.7 5,147 696
Cumberland County Rural 52.3 5,431 1,441
Wabash County Rural 53.4 5,982 1,162
Cass County Rural 47.8 6,133 2,445
Greene County Rural 54.6 6,466 889
Menard County Urban 53.9 6,558 1,056
Marshall County Urban 56.2 6,589 630
Clay County Rural 51.5 6,779 1,654
Ford County Urban 52.5 7,030 1,392
Johnson County Rural 53.7 7,165 1,099
Mason County Rural 55.9 7,204 666
Moultrie County Rural 50.7 7,338 1,843
Washington County Rural 54.0 7,391 1,038
White County Rural 55.3 7,578 770
Pike County Rural 52.3 7,646 1,441
Lawrence County Rural 51.3 7,760 1,696
Massac County Urban 57.0 7,956 548
Clark County Rural 52.3 8,019 1,441
Warren County Rural 48.9 8,106 2,240
Richland County Rural 53.4 8,368 1,162
Bond County Urban 50.6 8,406 1,867
De Witt County Rural 55.0 8,496 818
Mercer County Urban 55.5 8,662 734
Carroll County Rural 56.1 8,764 640
Wayne County Rural 55.0 8,793 818
Piatt County Urban 53.3 8,894 1,189
Union County Rural 55.0 9,332 818
Douglas County Rural 48.2 9,479 2,375
Edgar County Rural 57.6 9,584 478
Hancock County Rural 56.7 9,889 569
Crawford County Rural 53.4 9,933 1,162
Perry County Rural 53.0 11,032 1,255
Fayette County Rural 52.0 11,123 1,517
Jersey County Urban 53.0 11,311 1,255
Shelby County Rural 55.8 11,641 685
McDonough County Rural 45.2 12,244 2,742
Saline County Rural 52.9 12,382 1,283
Jo Daviess County Rural 60.6 13,293 222
Logan County Rural 50.5 14,084 1,892
Iroquois County Rural 55.5 14,845 734
Montgomery County Rural 53.4 15,003 1,162
Randolph County Rural 54.2 16,349 977
Morgan County Rural 52.1 17,004 1,497
Effingham County Rural 49.3 17,023 2,161
Christian County Rural 53.1 17,899 1,231
Bureau County Rural 54.6 18,030 889
Fulton County Rural 54.9 18,267 835
Lee County Rural 54.2 18,465 977
Livingston County Rural 52.4 18,676 1,415
Monroe County Urban 53.4 18,682 1,162
Jefferson County Rural 51.3 18,882 1,696
Clinton County Urban 51.7 19,063 1,591
Marion County Rural 51.7 19,271 1,591
Woodford County Urban 50.7 19,444 1,843
Franklin County Rural 54.3 20,374 959
Jackson County Rural 41.8 22,042 2,947
Coles County Rural 48.0 22,399 2,413
Macoupin County Urban 55.1 24,535 797
Stephenson County Rural 56.4 24,849 607
Grundy County Urban 47.6 25,190 2,466
Knox County Rural 53.2 26,223 1,214
Boone County Urban 49.5 26,371 2,114
Henry County Urban 54.2 26,524 977
Ogle County Rural 52.6 27,090 1,368
Whiteside County Rural 53.8 29,679 1,078
Adams County Rural 51.7 33,682 1,591
Williamson County Rural 52.1 34,851 1,497
Vermilion County Rural 51.7 37,851 1,591
DeKalb County Urban 40.8 40,960 2,994
Kankakee County Urban 48.8 52,141 2,265
Macon County Urban 51.0 52,305 1,782
La Salle County Rural 52.5 57,290 1,392
Kendall County Urban 44.3 59,846 2,805
Tazewell County Urban 52.3 68,320 1,441
Rock Island County Urban 50.4 72,028 1,909
McLean County Urban 43.0 73,470 2,889
Champaign County Urban 38.8 79,878 3,056
Peoria County Urban 47.6 85,663 2,466
Sangamon County Urban 51.4 100,343 1,669
St. Clair County Urban 49.3 125,639 2,161
Madison County Urban 50.2 132,886 1,964
Winnebago County Urban 49.6 140,464 2,089
McHenry County Urban 50.6 157,540 1,867
Kane County Urban 48.2 248,768 2,375
Will County Urban 48.6 339,181 2,301
Lake County Urban 48.5 345,469 2,317
DuPage County Urban 50.0 463,655 2,012
Cook County Urban 46.9 2,431,407 2,546
Notes:
Created by statecancerprofiles.cancer.gov on 07/03/2025 8:00 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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