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Demographics Table

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Demographic Data Report for Illinois by County
Population: Age 18-39
All Races (includes Hispanic), Both Sexes
2019-2023 American Community Survey 5-Year Data
Sorted by Name

County
 sort alphabetically by name descending
2023 Rural-Urban Continuum Codes Φ
 sort by rural urban descending
Value (Percent)
 sort by value ascending
People (Age 18-39)
 sort by sample size ascending
Rank within US
(of 3143 counties)
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Illinois N/A 29.4 3,726,065 20 of 52
United States N/A 29.5 98,058,393 N/A
Adams County Rural 25.6 16,691 1,623
Alexander County Urban 20.0 1,010 2,963
Bond County Urban 31.2 5,192 352
Boone County Urban 26.4 14,059 1,323
Brown County Rural 30.6 1,935 409
Bureau County Rural 24.4 8,075 2,056
Calhoun County Urban 18.2 804 3,074
Carroll County Rural 25.8 4,030 1,550
Cass County Rural 27.7 3,552 931
Champaign County Urban 42.0 86,490 40
Christian County Rural 26.9 9,051 1,143
Clark County Rural 25.4 3,886 1,691
Clay County Rural 25.5 3,360 1,655
Clinton County Urban 26.7 9,870 1,210
Coles County Rural 33.8 15,769 200
Cook County Urban 31.7 1,643,440 310
Crawford County Rural 26.4 4,899 1,323
Cumberland County Rural 23.8 2,472 2,236
De Witt County Rural 23.6 3,642 2,294
DeKalb County Urban 37.5 37,646 88
Douglas County Rural 27.3 5,371 1,035
DuPage County Urban 27.6 256,034 955
Edgar County Rural 22.7 3,772 2,546
Edwards County Rural 20.9 1,278 2,866
Effingham County Rural 26.5 9,134 1,285
Fayette County Rural 27.5 5,878 978
Ford County Urban 24.2 3,246 2,118
Franklin County Rural 23.6 8,844 2,294
Fulton County Rural 25.3 8,426 1,724
Gallatin County Rural 23.5 1,140 2,328
Greene County Rural 24.0 2,837 2,185
Grundy County Urban 27.7 14,658 931
Hamilton County Rural 22.7 1,810 2,546
Hancock County Rural 22.2 3,865 2,663
Hardin County Rural 21.8 790 2,737
Henderson County Rural 20.9 1,313 2,866
Henry County Urban 23.8 11,631 2,236
Iroquois County Rural 22.8 6,099 2,515
Jackson County Rural 39.2 20,657 69
Jasper County Rural 21.8 2,016 2,737
Jefferson County Rural 26.3 9,663 1,356
Jersey County Urban 27.0 5,769 1,116
Jo Daviess County Rural 20.8 4,563 2,882
Johnson County Rural 28.5 3,811 755
Kane County Urban 27.4 141,463 1,007
Kankakee County Urban 28.2 30,123 813
Kendall County Urban 28.2 38,057 813
Knox County Rural 26.6 13,122 1,248
La Salle County Rural 26.2 28,525 1,389
Lake County Urban 27.9 198,318 880
Lawrence County Rural 29.9 4,525 500
Lee County Rural 25.9 8,815 1,514
Livingston County Rural 25.6 9,117 1,623
Logan County Rural 29.9 8,339 500
Macon County Urban 26.4 27,052 1,323
Macoupin County Urban 24.2 10,787 2,118
Madison County Urban 28.3 74,761 796
Marion County Rural 24.7 9,223 1,961
Marshall County Urban 22.6 2,647 2,567
Mason County Rural 23.5 3,025 2,328
Massac County Urban 21.8 3,046 2,737
McDonough County Rural 36.9 10,005 96
McHenry County Urban 26.4 82,170 1,323
McLean County Urban 35.5 60,733 138
Menard County Urban 24.0 2,924 2,185
Mercer County Urban 23.5 3,664 2,328
Monroe County Urban 24.5 8,558 2,020
Montgomery County Rural 26.4 7,426 1,323
Morgan County Rural 28.6 9,314 738
Moultrie County Rural 23.8 3,437 2,236
Ogle County Rural 25.0 12,898 1,828
Peoria County Urban 28.4 51,112 775
Perry County Rural 27.5 5,718 978
Piatt County Urban 24.8 4,147 1,916
Pike County Rural 24.7 3,610 1,961
Pope County Rural 19.2 720 3,024
Pulaski County Rural 25.9 1,312 1,514
Putnam County Rural 23.0 1,288 2,466
Randolph County Rural 25.4 7,655 1,691
Richland County Rural 23.6 3,696 2,294
Rock Island County Urban 27.1 38,744 1,092
Saline County Rural 26.2 6,118 1,389
Sangamon County Urban 26.6 51,894 1,248
Schuyler County Rural 20.9 1,427 2,866
Scott County Rural 22.2 1,078 2,663
Shelby County Rural 22.8 4,768 2,515
St. Clair County Urban 27.4 69,811 1,007
Stark County Urban 22.7 1,211 2,546
Stephenson County Rural 22.2 9,798 2,663
Tazewell County Urban 25.4 33,136 1,691
Union County Rural 23.6 3,997 2,294
Vermilion County Rural 24.8 18,128 1,916
Wabash County Rural 24.8 2,779 1,916
Warren County Rural 28.9 4,786 682
Washington County Rural 25.0 3,419 1,828
Wayne County Rural 22.5 3,592 2,600
White County Rural 22.9 3,138 2,494
Whiteside County Rural 24.2 13,360 2,118
Will County Urban 27.4 191,664 1,007
Williamson County Rural 26.4 17,636 1,323
Winnebago County Urban 26.9 76,075 1,143
Woodford County Urban 25.3 9,696 1,724
Notes:
Created by statecancerprofiles.cancer.gov on 07/02/2025 2:50 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 18-39, see the dictionary.

Data for United States does not include Puerto Rico.

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