Demographics Table
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 Rank
County
|
2023 Rural-Urban Continuum Codes Φ
|
Value (Percent)
|
People (Age 18-39)
|
Rank within US (of 3143 counties) 
|
|---|---|---|---|---|
| United States | N/A | 29.5 | 98,058,393 | N/A |
| Illinois | N/A | 29.4 | 3,726,065 | 20 of 52 |
| Champaign County | Urban | 42.0 | 86,490 | 40 |
| Jackson County | Rural | 39.2 | 20,657 | 69 |
| DeKalb County | Urban | 37.5 | 37,646 | 88 |
| McDonough County | Rural | 36.9 | 10,005 | 96 |
| McLean County | Urban | 35.5 | 60,733 | 138 |
| Coles County | Rural | 33.8 | 15,769 | 200 |
| Cook County | Urban | 31.7 | 1,643,440 | 310 |
| Bond County | Urban | 31.2 | 5,192 | 352 |
| Brown County | Rural | 30.6 | 1,935 | 409 |
| Lawrence County | Rural | 29.9 | 4,525 | 500 |
| Logan County | Rural | 29.9 | 8,339 | 500 |
| Warren County | Rural | 28.9 | 4,786 | 682 |
| Morgan County | Rural | 28.6 | 9,314 | 738 |
| Johnson County | Rural | 28.5 | 3,811 | 755 |
| Peoria County | Urban | 28.4 | 51,112 | 775 |
| Madison County | Urban | 28.3 | 74,761 | 796 |
| Kankakee County | Urban | 28.2 | 30,123 | 813 |
| Kendall County | Urban | 28.2 | 38,057 | 813 |
| Lake County | Urban | 27.9 | 198,318 | 880 |
| Cass County | Rural | 27.7 | 3,552 | 931 |
| Grundy County | Urban | 27.7 | 14,658 | 931 |
| DuPage County | Urban | 27.6 | 256,034 | 955 |
| Fayette County | Rural | 27.5 | 5,878 | 978 |
| Perry County | Rural | 27.5 | 5,718 | 978 |
| Kane County | Urban | 27.4 | 141,463 | 1,007 |
| St. Clair County | Urban | 27.4 | 69,811 | 1,007 |
| Will County | Urban | 27.4 | 191,664 | 1,007 |
| Douglas County | Rural | 27.3 | 5,371 | 1,035 |
| Rock Island County | Urban | 27.1 | 38,744 | 1,092 |
| Jersey County | Urban | 27.0 | 5,769 | 1,116 |
| Christian County | Rural | 26.9 | 9,051 | 1,143 |
| Winnebago County | Urban | 26.9 | 76,075 | 1,143 |
| Clinton County | Urban | 26.7 | 9,870 | 1,210 |
| Knox County | Rural | 26.6 | 13,122 | 1,248 |
| Sangamon County | Urban | 26.6 | 51,894 | 1,248 |
| Effingham County | Rural | 26.5 | 9,134 | 1,285 |
| Boone County | Urban | 26.4 | 14,059 | 1,323 |
| Crawford County | Rural | 26.4 | 4,899 | 1,323 |
| Macon County | Urban | 26.4 | 27,052 | 1,323 |
| McHenry County | Urban | 26.4 | 82,170 | 1,323 |
| Montgomery County | Rural | 26.4 | 7,426 | 1,323 |
| Williamson County | Rural | 26.4 | 17,636 | 1,323 |
| Jefferson County | Rural | 26.3 | 9,663 | 1,356 |
| La Salle County | Rural | 26.2 | 28,525 | 1,389 |
| Saline County | Rural | 26.2 | 6,118 | 1,389 |
| Lee County | Rural | 25.9 | 8,815 | 1,514 |
| Pulaski County | Rural | 25.9 | 1,312 | 1,514 |
| Carroll County | Rural | 25.8 | 4,030 | 1,550 |
| Adams County | Rural | 25.6 | 16,691 | 1,623 |
| Livingston County | Rural | 25.6 | 9,117 | 1,623 |
| Clay County | Rural | 25.5 | 3,360 | 1,655 |
| Clark County | Rural | 25.4 | 3,886 | 1,691 |
| Randolph County | Rural | 25.4 | 7,655 | 1,691 |
| Tazewell County | Urban | 25.4 | 33,136 | 1,691 |
| Fulton County | Rural | 25.3 | 8,426 | 1,724 |
| Woodford County | Urban | 25.3 | 9,696 | 1,724 |
| Ogle County | Rural | 25.0 | 12,898 | 1,828 |
| Washington County | Rural | 25.0 | 3,419 | 1,828 |
| Piatt County | Urban | 24.8 | 4,147 | 1,916 |
| Vermilion County | Rural | 24.8 | 18,128 | 1,916 |
| Wabash County | Rural | 24.8 | 2,779 | 1,916 |
| Marion County | Rural | 24.7 | 9,223 | 1,961 |
| Pike County | Rural | 24.7 | 3,610 | 1,961 |
| Monroe County | Urban | 24.5 | 8,558 | 2,020 |
| Bureau County | Rural | 24.4 | 8,075 | 2,056 |
| Ford County | Urban | 24.2 | 3,246 | 2,118 |
| Macoupin County | Urban | 24.2 | 10,787 | 2,118 |
| Whiteside County | Rural | 24.2 | 13,360 | 2,118 |
| Greene County | Rural | 24.0 | 2,837 | 2,185 |
| Menard County | Urban | 24.0 | 2,924 | 2,185 |
| Cumberland County | Rural | 23.8 | 2,472 | 2,236 |
| Henry County | Urban | 23.8 | 11,631 | 2,236 |
| Moultrie County | Rural | 23.8 | 3,437 | 2,236 |
| De Witt County | Rural | 23.6 | 3,642 | 2,294 |
| Franklin County | Rural | 23.6 | 8,844 | 2,294 |
| Richland County | Rural | 23.6 | 3,696 | 2,294 |
| Union County | Rural | 23.6 | 3,997 | 2,294 |
| Gallatin County | Rural | 23.5 | 1,140 | 2,328 |
| Mason County | Rural | 23.5 | 3,025 | 2,328 |
| Mercer County | Urban | 23.5 | 3,664 | 2,328 |
| Putnam County | Rural | 23.0 | 1,288 | 2,466 |
| White County | Rural | 22.9 | 3,138 | 2,494 |
| Iroquois County | Rural | 22.8 | 6,099 | 2,515 |
| Shelby County | Rural | 22.8 | 4,768 | 2,515 |
| Edgar County | Rural | 22.7 | 3,772 | 2,546 |
| Hamilton County | Rural | 22.7 | 1,810 | 2,546 |
| Stark County | Urban | 22.7 | 1,211 | 2,546 |
| Marshall County | Urban | 22.6 | 2,647 | 2,567 |
| Wayne County | Rural | 22.5 | 3,592 | 2,600 |
| Hancock County | Rural | 22.2 | 3,865 | 2,663 |
| Scott County | Rural | 22.2 | 1,078 | 2,663 |
| Stephenson County | Rural | 22.2 | 9,798 | 2,663 |
| Hardin County | Rural | 21.8 | 790 | 2,737 |
| Jasper County | Rural | 21.8 | 2,016 | 2,737 |
| Massac County | Urban | 21.8 | 3,046 | 2,737 |
| Edwards County | Rural | 20.9 | 1,278 | 2,866 |
| Henderson County | Rural | 20.9 | 1,313 | 2,866 |
| Schuyler County | Rural | 20.9 | 1,427 | 2,866 |
| Jo Daviess County | Rural | 20.8 | 4,563 | 2,882 |
| Alexander County | Urban | 20.0 | 1,010 | 2,963 |
| Pope County | Rural | 19.2 | 720 | 3,024 |
| Calhoun County | Urban | 18.2 | 804 | 3,074 |
Notes:
Created by statecancerprofiles.cancer.gov on 07/06/2025 6:26 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.
Created by statecancerprofiles.cancer.gov on 07/06/2025 6:26 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.