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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 Count

County
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2023 Rural-Urban Continuum Codes Φ
 sort by rural urban descending
Value (Percent)
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People (Age 18-39)
 sort by sample size ascending
Rank within US
(of 3143 counties)
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United States N/A 29.5 98,058,393 N/A
Illinois N/A 29.4 3,726,065 20 of 52
Cook County Urban 31.7 1,643,440 310
DuPage County Urban 27.6 256,034 955
Lake County Urban 27.9 198,318 880
Will County Urban 27.4 191,664 1,007
Kane County Urban 27.4 141,463 1,007
Champaign County Urban 42.0 86,490 40
McHenry County Urban 26.4 82,170 1,323
Winnebago County Urban 26.9 76,075 1,143
Madison County Urban 28.3 74,761 796
St. Clair County Urban 27.4 69,811 1,007
McLean County Urban 35.5 60,733 138
Sangamon County Urban 26.6 51,894 1,248
Peoria County Urban 28.4 51,112 775
Rock Island County Urban 27.1 38,744 1,092
Kendall County Urban 28.2 38,057 813
DeKalb County Urban 37.5 37,646 88
Tazewell County Urban 25.4 33,136 1,691
Kankakee County Urban 28.2 30,123 813
La Salle County Rural 26.2 28,525 1,389
Macon County Urban 26.4 27,052 1,323
Jackson County Rural 39.2 20,657 69
Vermilion County Rural 24.8 18,128 1,916
Williamson County Rural 26.4 17,636 1,323
Adams County Rural 25.6 16,691 1,623
Coles County Rural 33.8 15,769 200
Grundy County Urban 27.7 14,658 931
Boone County Urban 26.4 14,059 1,323
Whiteside County Rural 24.2 13,360 2,118
Knox County Rural 26.6 13,122 1,248
Ogle County Rural 25.0 12,898 1,828
Henry County Urban 23.8 11,631 2,236
Macoupin County Urban 24.2 10,787 2,118
McDonough County Rural 36.9 10,005 96
Clinton County Urban 26.7 9,870 1,210
Stephenson County Rural 22.2 9,798 2,663
Woodford County Urban 25.3 9,696 1,724
Jefferson County Rural 26.3 9,663 1,356
Morgan County Rural 28.6 9,314 738
Marion County Rural 24.7 9,223 1,961
Effingham County Rural 26.5 9,134 1,285
Livingston County Rural 25.6 9,117 1,623
Christian County Rural 26.9 9,051 1,143
Franklin County Rural 23.6 8,844 2,294
Lee County Rural 25.9 8,815 1,514
Monroe County Urban 24.5 8,558 2,020
Fulton County Rural 25.3 8,426 1,724
Logan County Rural 29.9 8,339 500
Bureau County Rural 24.4 8,075 2,056
Randolph County Rural 25.4 7,655 1,691
Montgomery County Rural 26.4 7,426 1,323
Saline County Rural 26.2 6,118 1,389
Iroquois County Rural 22.8 6,099 2,515
Fayette County Rural 27.5 5,878 978
Jersey County Urban 27.0 5,769 1,116
Perry County Rural 27.5 5,718 978
Douglas County Rural 27.3 5,371 1,035
Bond County Urban 31.2 5,192 352
Crawford County Rural 26.4 4,899 1,323
Warren County Rural 28.9 4,786 682
Shelby County Rural 22.8 4,768 2,515
Jo Daviess County Rural 20.8 4,563 2,882
Lawrence County Rural 29.9 4,525 500
Piatt County Urban 24.8 4,147 1,916
Carroll County Rural 25.8 4,030 1,550
Union County Rural 23.6 3,997 2,294
Clark County Rural 25.4 3,886 1,691
Hancock County Rural 22.2 3,865 2,663
Johnson County Rural 28.5 3,811 755
Edgar County Rural 22.7 3,772 2,546
Richland County Rural 23.6 3,696 2,294
Mercer County Urban 23.5 3,664 2,328
De Witt County Rural 23.6 3,642 2,294
Pike County Rural 24.7 3,610 1,961
Wayne County Rural 22.5 3,592 2,600
Cass County Rural 27.7 3,552 931
Moultrie County Rural 23.8 3,437 2,236
Washington County Rural 25.0 3,419 1,828
Clay County Rural 25.5 3,360 1,655
Ford County Urban 24.2 3,246 2,118
White County Rural 22.9 3,138 2,494
Massac County Urban 21.8 3,046 2,737
Mason County Rural 23.5 3,025 2,328
Menard County Urban 24.0 2,924 2,185
Greene County Rural 24.0 2,837 2,185
Wabash County Rural 24.8 2,779 1,916
Marshall County Urban 22.6 2,647 2,567
Cumberland County Rural 23.8 2,472 2,236
Jasper County Rural 21.8 2,016 2,737
Brown County Rural 30.6 1,935 409
Hamilton County Rural 22.7 1,810 2,546
Schuyler County Rural 20.9 1,427 2,866
Henderson County Rural 20.9 1,313 2,866
Pulaski County Rural 25.9 1,312 1,514
Putnam County Rural 23.0 1,288 2,466
Edwards County Rural 20.9 1,278 2,866
Stark County Urban 22.7 1,211 2,546
Gallatin County Rural 23.5 1,140 2,328
Scott County Rural 22.2 1,078 2,663
Alexander County Urban 20.0 1,010 2,963
Calhoun County Urban 18.2 804 3,074
Hardin County Rural 21.8 790 2,737
Pope County Rural 19.2 720 3,024
Notes:
Created by statecancerprofiles.cancer.gov on 07/03/2025 5:00 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 18-39, see the dictionary.

Data for United States does not include Puerto Rico.

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