Demographics Table
County
|
Value (Percent)
|
People (Age Under 18)
|
Rank within US (of 3143 counties) 
|
|---|---|---|---|
| Illinois | 22.5 | 2,887,351 | 24 of 52 |
| United States | 22.5 | 74,234,075 | N/A |
| Kendall County | 28.4 | 37,154 | 140 |
| Moultrie County | 25.7 | 3,762 | 386 |
| Kane County | 25.3 | 131,408 | 461 |
| Grundy County | 25.3 | 13,223 | 475 |
| Douglas County | 25.0 | 4,919 | 526 |
| Will County | 24.8 | 172,426 | 577 |
| Boone County | 24.6 | 13,206 | 613 |
| Cass County | 24.6 | 3,211 | 629 |
| Woodford County | 24.3 | 9,374 | 710 |
| Lake County | 24.1 | 172,427 | 765 |
| Effingham County | 24.1 | 8,324 | 791 |
| Peoria County | 24.0 | 43,771 | 815 |
| Vermilion County | 23.7 | 17,766 | 952 |
| St. Clair County | 23.7 | 61,160 | 969 |
| Winnebago County | 23.6 | 67,408 | 976 |
| Richland County | 23.6 | 3,742 | 1,001 |
| Marion County | 23.5 | 8,892 | 1,011 |
| McHenry County | 23.5 | 72,908 | 1,041 |
| Clark County | 23.2 | 3,620 | 1,155 |
| Jasper County | 23.1 | 2,150 | 1,224 |
| Ford County | 23.0 | 3,131 | 1,232 |
| Clay County | 23.0 | 3,064 | 1,243 |
| Kankakee County | 22.9 | 24,768 | 1,287 |
| Menard County | 22.9 | 2,825 | 1,300 |
| Cumberland County | 22.8 | 2,404 | 1,326 |
| Tazewell County | 22.8 | 30,097 | 1,335 |
| Pike County | 22.8 | 3,402 | 1,339 |
| Wayne County | 22.8 | 3,703 | 1,342 |
| DuPage County | 22.8 | 212,701 | 1,352 |
| Adams County | 22.8 | 14,996 | 1,355 |
| Edwards County | 22.7 | 1,416 | 1,383 |
| Alexander County | 22.7 | 1,246 | 1,387 |
| Ogle County | 22.6 | 11,723 | 1,422 |
| Macon County | 22.5 | 23,483 | 1,461 |
| Rock Island County | 22.5 | 32,557 | 1,464 |
| Jefferson County | 22.4 | 8,387 | 1,479 |
| Piatt County | 22.4 | 3,738 | 1,489 |
| Monroe County | 22.4 | 7,771 | 1,511 |
| Franklin County | 22.4 | 8,514 | 1,514 |
| Henry County | 22.4 | 11,051 | 1,515 |
| Wabash County | 22.3 | 2,551 | 1,524 |
| Sangamon County | 22.3 | 43,924 | 1,539 |
| Whiteside County | 22.2 | 12,398 | 1,612 |
| White County | 22.1 | 3,081 | 1,650 |
| Massac County | 22.0 | 3,147 | 1,665 |
| Iroquois County | 22.0 | 6,019 | 1,680 |
| Madison County | 22.0 | 58,478 | 1,694 |
| Williamson County | 22.0 | 14,773 | 1,701 |
| Livingston County | 21.9 | 7,865 | 1,723 |
| Scott County | 21.9 | 1,077 | 1,734 |
| Cook County | 21.9 | 1,151,647 | 1,739 |
| Hamilton County | 21.9 | 1,753 | 1,746 |
| Warren County | 21.8 | 3,680 | 1,785 |
| Shelby County | 21.7 | 4,590 | 1,825 |
| DeKalb County | 21.7 | 21,885 | 1,828 |
| Greene County | 21.6 | 2,635 | 1,864 |
| Saline County | 21.6 | 5,159 | 1,867 |
| Stephenson County | 21.6 | 9,681 | 1,872 |
| McLean County | 21.6 | 37,013 | 1,876 |
| La Salle County | 21.6 | 23,708 | 1,900 |
| De Witt County | 21.5 | 3,365 | 1,916 |
| Bureau County | 21.4 | 7,144 | 1,940 |
| Mercer County | 21.4 | 3,381 | 1,942 |
| Clinton County | 21.4 | 7,935 | 1,945 |
| Stark County | 21.3 | 1,158 | 1,982 |
| Union County | 21.3 | 3,668 | 2,004 |
| Fayette County | 21.2 | 4,570 | 2,008 |
| Christian County | 21.2 | 7,221 | 2,013 |
| Macoupin County | 21.2 | 9,574 | 2,016 |
| Washington County | 21.2 | 2,926 | 2,035 |
| Pulaski County | 21.1 | 1,114 | 2,059 |
| Hancock County | 20.9 | 3,716 | 2,105 |
| Mason County | 20.8 | 2,756 | 2,142 |
| Marshall County | 20.7 | 2,435 | 2,190 |
| Putnam County | 20.5 | 1,153 | 2,267 |
| Jersey County | 20.4 | 4,390 | 2,291 |
| Montgomery County | 20.3 | 5,787 | 2,308 |
| Calhoun County | 20.2 | 917 | 2,337 |
| Knox County | 20.0 | 10,042 | 2,404 |
| Gallatin County | 19.9 | 1,005 | 2,425 |
| Lee County | 19.9 | 6,851 | 2,430 |
| Edgar County | 19.9 | 3,377 | 2,447 |
| Fulton County | 19.8 | 6,736 | 2,462 |
| Crawford County | 19.7 | 3,709 | 2,479 |
| Carroll County | 19.5 | 3,045 | 2,523 |
| Randolph County | 19.4 | 5,955 | 2,544 |
| Perry County | 19.4 | 4,107 | 2,553 |
| Logan County | 19.4 | 5,465 | 2,566 |
| Johnson County | 19.2 | 2,548 | 2,597 |
| Morgan County | 19.2 | 6,367 | 2,616 |
| Champaign County | 19.1 | 39,485 | 2,634 |
| Lawrence County | 19.0 | 2,945 | 2,646 |
| Jo Daviess County | 19.0 | 4,184 | 2,650 |
| Jackson County | 18.9 | 10,124 | 2,681 |
| Bond County | 18.7 | 3,136 | 2,724 |
| Henderson County | 18.4 | 1,196 | 2,759 |
| Coles County | 18.2 | 8,646 | 2,804 |
| Pope County | 18.1 | 693 | 2,813 |
| Brown County | 17.4 | 1,103 | 2,900 |
| Schuyler County | 17.4 | 1,210 | 2,902 |
| McDonough County | 17.3 | 4,809 | 2,913 |
| Hardin County | 13.8 | 511 | 3,109 |
Notes:
Created by statecancerprofiles.cancer.gov on 04/25/2024 12:19 pm.
Source: Demographic data provided by the Census Bureau and the American Community Survey.
For more information about Population: Age under 18, see the dictionary.
Data for United States does not include Puerto Rico.
Created by statecancerprofiles.cancer.gov on 04/25/2024 12:19 pm.
Source: Demographic data provided by the Census Bureau and the American Community Survey.
For more information about Population: Age under 18, see the dictionary.
Data for United States does not include Puerto Rico.