Return to Home Demographics > Table

Demographics Table

Data Options

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

Return to Top