Demographics Table
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 Value
County
|
2023 Rural-Urban Continuum Codes Φ
|
Value (Percent)
|
People (Age 40 And Over)
|
Rank within US (of 3143 counties)
|
|---|---|---|---|---|
| United States | N/A | 48.3 | 160,683,909 | N/A |
| Illinois | N/A | 48.5 | 6,157,709 | 27 of 52 |
| Champaign County | Urban | 38.8 | 79,878 | 3,056 |
| DeKalb County | Urban | 40.8 | 40,960 | 2,994 |
| Jackson County | Rural | 41.8 | 22,042 | 2,947 |
| McLean County | Urban | 43.0 | 73,470 | 2,889 |
| Kendall County | Urban | 44.3 | 59,846 | 2,805 |
| McDonough County | Rural | 45.2 | 12,244 | 2,742 |
| Cook County | Urban | 46.9 | 2,431,407 | 2,546 |
| Grundy County | Urban | 47.6 | 25,190 | 2,466 |
| Peoria County | Urban | 47.6 | 85,663 | 2,466 |
| Cass County | Rural | 47.8 | 6,133 | 2,445 |
| Coles County | Rural | 48.0 | 22,399 | 2,413 |
| Douglas County | Rural | 48.2 | 9,479 | 2,375 |
| Kane County | Urban | 48.2 | 248,768 | 2,375 |
| Lake County | Urban | 48.5 | 345,469 | 2,317 |
| Will County | Urban | 48.6 | 339,181 | 2,301 |
| Kankakee County | Urban | 48.8 | 52,141 | 2,265 |
| Warren County | Rural | 48.9 | 8,106 | 2,240 |
| Effingham County | Rural | 49.3 | 17,023 | 2,161 |
| St. Clair County | Urban | 49.3 | 125,639 | 2,161 |
| Boone County | Urban | 49.5 | 26,371 | 2,114 |
| Winnebago County | Urban | 49.6 | 140,464 | 2,089 |
| DuPage County | Urban | 50.0 | 463,655 | 2,012 |
| Madison County | Urban | 50.2 | 132,886 | 1,964 |
| Rock Island County | Urban | 50.4 | 72,028 | 1,909 |
| Logan County | Rural | 50.5 | 14,084 | 1,892 |
| Bond County | Urban | 50.6 | 8,406 | 1,867 |
| McHenry County | Urban | 50.6 | 157,540 | 1,867 |
| Moultrie County | Rural | 50.7 | 7,338 | 1,843 |
| Woodford County | Urban | 50.7 | 19,444 | 1,843 |
| Macon County | Urban | 51.0 | 52,305 | 1,782 |
| Jefferson County | Rural | 51.3 | 18,882 | 1,696 |
| Lawrence County | Rural | 51.3 | 7,760 | 1,696 |
| Sangamon County | Urban | 51.4 | 100,343 | 1,669 |
| Clay County | Rural | 51.5 | 6,779 | 1,654 |
| Adams County | Rural | 51.7 | 33,682 | 1,591 |
| Clinton County | Urban | 51.7 | 19,063 | 1,591 |
| Marion County | Rural | 51.7 | 19,271 | 1,591 |
| Vermilion County | Rural | 51.7 | 37,851 | 1,591 |
| Brown County | Rural | 51.9 | 3,283 | 1,542 |
| Fayette County | Rural | 52.0 | 11,123 | 1,517 |
| Morgan County | Rural | 52.1 | 17,004 | 1,497 |
| Williamson County | Rural | 52.1 | 34,851 | 1,497 |
| Clark County | Rural | 52.3 | 8,019 | 1,441 |
| Cumberland County | Rural | 52.3 | 5,431 | 1,441 |
| Pike County | Rural | 52.3 | 7,646 | 1,441 |
| Tazewell County | Urban | 52.3 | 68,320 | 1,441 |
| Livingston County | Rural | 52.4 | 18,676 | 1,415 |
| Ford County | Urban | 52.5 | 7,030 | 1,392 |
| La Salle County | Rural | 52.5 | 57,290 | 1,392 |
| Ogle County | Rural | 52.6 | 27,090 | 1,368 |
| Saline County | Rural | 52.9 | 12,382 | 1,283 |
| Jersey County | Urban | 53.0 | 11,311 | 1,255 |
| Perry County | Rural | 53.0 | 11,032 | 1,255 |
| Christian County | Rural | 53.1 | 17,899 | 1,231 |
| Knox County | Rural | 53.2 | 26,223 | 1,214 |
| Piatt County | Urban | 53.3 | 8,894 | 1,189 |
| Crawford County | Rural | 53.4 | 9,933 | 1,162 |
| Monroe County | Urban | 53.4 | 18,682 | 1,162 |
| Montgomery County | Rural | 53.4 | 15,003 | 1,162 |
| Richland County | Rural | 53.4 | 8,368 | 1,162 |
| Wabash County | Rural | 53.4 | 5,982 | 1,162 |
| Pulaski County | Rural | 53.6 | 2,722 | 1,120 |
| Johnson County | Rural | 53.7 | 7,165 | 1,099 |
| Whiteside County | Rural | 53.8 | 29,679 | 1,078 |
| Menard County | Urban | 53.9 | 6,558 | 1,056 |
| Washington County | Rural | 54.0 | 7,391 | 1,038 |
| Henry County | Urban | 54.2 | 26,524 | 977 |
| Lee County | Rural | 54.2 | 18,465 | 977 |
| Randolph County | Rural | 54.2 | 16,349 | 977 |
| Franklin County | Rural | 54.3 | 20,374 | 959 |
| Bureau County | Rural | 54.6 | 18,030 | 889 |
| Greene County | Rural | 54.6 | 6,466 | 889 |
| Hamilton County | Rural | 54.6 | 4,350 | 889 |
| Fulton County | Rural | 54.9 | 18,267 | 835 |
| De Witt County | Rural | 55.0 | 8,496 | 818 |
| Union County | Rural | 55.0 | 9,332 | 818 |
| Wayne County | Rural | 55.0 | 8,793 | 818 |
| Macoupin County | Urban | 55.1 | 24,535 | 797 |
| White County | Rural | 55.3 | 7,578 | 770 |
| Iroquois County | Rural | 55.5 | 14,845 | 734 |
| Mercer County | Urban | 55.5 | 8,662 | 734 |
| Stark County | Urban | 55.6 | 2,960 | 718 |
| Jasper County | Rural | 55.7 | 5,147 | 696 |
| Shelby County | Rural | 55.8 | 11,641 | 685 |
| Mason County | Rural | 55.9 | 7,204 | 666 |
| Carroll County | Rural | 56.1 | 8,764 | 640 |
| Marshall County | Urban | 56.2 | 6,589 | 630 |
| Scott County | Rural | 56.3 | 2,731 | 618 |
| Stephenson County | Rural | 56.4 | 24,849 | 607 |
| Edwards County | Rural | 56.6 | 3,461 | 580 |
| Gallatin County | Rural | 56.7 | 2,755 | 569 |
| Hancock County | Rural | 56.7 | 9,889 | 569 |
| Massac County | Urban | 57.0 | 7,956 | 548 |
| Putnam County | Rural | 57.3 | 3,209 | 511 |
| Edgar County | Rural | 57.6 | 9,584 | 478 |
| Alexander County | Urban | 58.3 | 2,940 | 396 |
| Henderson County | Rural | 60.2 | 3,783 | 249 |
| Jo Daviess County | Rural | 60.6 | 13,293 | 222 |
| Calhoun County | Urban | 61.4 | 2,705 | 181 |
| Schuyler County | Rural | 61.8 | 4,219 | 169 |
| Hardin County | Rural | 64.6 | 2,339 | 84 |
| Pope County | Rural | 65.2 | 2,448 | 69 |
Notes:
Created by statecancerprofiles.cancer.gov on 02/07/2026 12:23 pm.
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.
Created by statecancerprofiles.cancer.gov on 02/07/2026 12:23 pm.
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.