Interpretation of Demographics Data
Demographic Data Report for Illinois by County
Population: Age under 18
All Races (includes Hispanic), Both Sexes
2015-2019 American Community Survey 5-Year Data
Sorted by Value
United States
- Value (Percent) : The value is 22.6 percent.
- People (Age Under 18) : The number of people (age under 18) is 73,429,392.
- Rank within US : N/A
Illinois
- Value (Percent) : The value is 22.6 percent.
- People (Age Under 18) : The number of people (age under 18) is 2,891,526.
- Rank within US : This state is ranked 23 of 52
Pope County
- Value (Percent) : The value is 14.9 percent.
- People (Age Under 18) : The number of people (age under 18) is 626.
- Rank within US : This county is ranked 3094 of 3146
McDonough County
- Value (Percent) : The value is 17.1 percent.
- People (Age Under 18) : The number of people (age under 18) is 5,223.
- Rank within US : This county is ranked 2945 of 3146
Hardin County
- Value (Percent) : The value is 17.2 percent.
- People (Age Under 18) : The number of people (age under 18) is 676.
- Rank within US : This county is ranked 2942 of 3146
Brown County
- Value (Percent) : The value is 17.2 percent.
- People (Age Under 18) : The number of people (age under 18) is 1,142.
- Rank within US : This county is ranked 2932 of 3146
Coles County
- Value (Percent) : The value is 18.0 percent.
- People (Age Under 18) : The number of people (age under 18) is 9,255.
- Rank within US : This county is ranked 2845 of 3146
Lawrence County
- Value (Percent) : The value is 18.1 percent.
- People (Age Under 18) : The number of people (age under 18) is 2,894.
- Rank within US : This county is ranked 2839 of 3146
Johnson County
- Value (Percent) : The value is 18.1 percent.
- People (Age Under 18) : The number of people (age under 18) is 2,264.
- Rank within US : This county is ranked 2824 of 3146
Jackson County
- Value (Percent) : The value is 18.4 percent.
- People (Age Under 18) : The number of people (age under 18) is 10,646.
- Rank within US : This county is ranked 2791 of 3146
Henderson County
- Value (Percent) : The value is 18.5 percent.
- People (Age Under 18) : The number of people (age under 18) is 1,258.
- Rank within US : This county is ranked 2768 of 3146
Schuyler County
- Value (Percent) : The value is 18.8 percent.
- People (Age Under 18) : The number of people (age under 18) is 1,304.
- Rank within US : This county is ranked 2724 of 3146
Champaign County
- Value (Percent) : The value is 18.9 percent.
- People (Age Under 18) : The number of people (age under 18) is 39,585.
- Rank within US : This county is ranked 2706 of 3146
Morgan County
- Value (Percent) : The value is 18.9 percent.
- People (Age Under 18) : The number of people (age under 18) is 6,488.
- Rank within US : This county is ranked 2687 of 3146
Perry County
- Value (Percent) : The value is 19.0 percent.
- People (Age Under 18) : The number of people (age under 18) is 4,039.
- Rank within US : This county is ranked 2673 of 3146
Bond County
- Value (Percent) : The value is 19.1 percent.
- People (Age Under 18) : The number of people (age under 18) is 3,161.
- Rank within US : This county is ranked 2661 of 3146
Jo Daviess County
- Value (Percent) : The value is 19.1 percent.
- People (Age Under 18) : The number of people (age under 18) is 4,126.
- Rank within US : This county is ranked 2643 of 3146
Randolph County
- Value (Percent) : The value is 19.2 percent.
- People (Age Under 18) : The number of people (age under 18) is 6,215.
- Rank within US : This county is ranked 2614 of 3146
Logan County
- Value (Percent) : The value is 19.3 percent.
- People (Age Under 18) : The number of people (age under 18) is 5,607.
- Rank within US : This county is ranked 2592 of 3146
Carroll County
- Value (Percent) : The value is 19.4 percent.
- People (Age Under 18) : The number of people (age under 18) is 2,805.
- Rank within US : This county is ranked 2573 of 3146
Putnam County
- Value (Percent) : The value is 19.5 percent.
- People (Age Under 18) : The number of people (age under 18) is 1,115.
- Rank within US : This county is ranked 2542 of 3146
Knox County
- Value (Percent) : The value is 19.8 percent.
- People (Age Under 18) : The number of people (age under 18) is 9,991.
- Rank within US : This county is ranked 2474 of 3146
Lee County
- Value (Percent) : The value is 19.8 percent.
- People (Age Under 18) : The number of people (age under 18) is 6,812.
- Rank within US : This county is ranked 2466 of 3146
Crawford County
- Value (Percent) : The value is 19.8 percent.
- People (Age Under 18) : The number of people (age under 18) is 3,763.
- Rank within US : This county is ranked 2457 of 3146
Fulton County
- Value (Percent) : The value is 19.8 percent.
- People (Age Under 18) : The number of people (age under 18) is 6,962.
- Rank within US : This county is ranked 2454 of 3146
Montgomery County
- Value (Percent) : The value is 20.0 percent.
- People (Age Under 18) : The number of people (age under 18) is 5,776.
- Rank within US : This county is ranked 2403 of 3146
Edgar County
- Value (Percent) : The value is 20.3 percent.
- People (Age Under 18) : The number of people (age under 18) is 3,529.
- Rank within US : This county is ranked 2335 of 3146
Christian County
- Value (Percent) : The value is 20.5 percent.
- People (Age Under 18) : The number of people (age under 18) is 6,746.
- Rank within US : This county is ranked 2264 of 3146
Gallatin County
- Value (Percent) : The value is 20.5 percent.
- People (Age Under 18) : The number of people (age under 18) is 1,038.
- Rank within US : This county is ranked 2257 of 3146
Marshall County
- Value (Percent) : The value is 20.5 percent.
- People (Age Under 18) : The number of people (age under 18) is 2,395.
- Rank within US : This county is ranked 2254 of 3146
Fayette County
- Value (Percent) : The value is 20.7 percent.
- People (Age Under 18) : The number of people (age under 18) is 4,454.
- Rank within US : This county is ranked 2203 of 3146
Mason County
- Value (Percent) : The value is 20.7 percent.
- People (Age Under 18) : The number of people (age under 18) is 2,817.
- Rank within US : This county is ranked 2191 of 3146
Jersey County
- Value (Percent) : The value is 20.8 percent.
- People (Age Under 18) : The number of people (age under 18) is 4,557.
- Rank within US : This county is ranked 2159 of 3146
Greene County
- Value (Percent) : The value is 20.8 percent.
- People (Age Under 18) : The number of people (age under 18) is 2,729.
- Rank within US : This county is ranked 2156 of 3146
Calhoun County
- Value (Percent) : The value is 20.9 percent.
- People (Age Under 18) : The number of people (age under 18) is 1,009.
- Rank within US : This county is ranked 2127 of 3146
Hancock County
- Value (Percent) : The value is 21.1 percent.
- People (Age Under 18) : The number of people (age under 18) is 3,790.
- Rank within US : This county is ranked 2070 of 3146
Union County
- Value (Percent) : The value is 21.2 percent.
- People (Age Under 18) : The number of people (age under 18) is 3,589.
- Rank within US : This county is ranked 2041 of 3146
Clinton County
- Value (Percent) : The value is 21.2 percent.
- People (Age Under 18) : The number of people (age under 18) is 7,972.
- Rank within US : This county is ranked 2026 of 3146
Macoupin County
- Value (Percent) : The value is 21.3 percent.
- People (Age Under 18) : The number of people (age under 18) is 9,683.
- Rank within US : This county is ranked 1989 of 3146
Shelby County
- Value (Percent) : The value is 21.3 percent.
- People (Age Under 18) : The number of people (age under 18) is 4,634.
- Rank within US : This county is ranked 1979 of 3146
Bureau County
- Value (Percent) : The value is 21.4 percent.
- People (Age Under 18) : The number of people (age under 18) is 7,097.
- Rank within US : This county is ranked 1930 of 3146
Livingston County
- Value (Percent) : The value is 21.5 percent.
- People (Age Under 18) : The number of people (age under 18) is 7,762.
- Rank within US : This county is ranked 1879 of 3146
Stark County
- Value (Percent) : The value is 21.6 percent.
- People (Age Under 18) : The number of people (age under 18) is 1,174.
- Rank within US : This county is ranked 1871 of 3146
Mercer County
- Value (Percent) : The value is 21.6 percent.
- People (Age Under 18) : The number of people (age under 18) is 3,364.
- Rank within US : This county is ranked 1859 of 3146
DeKalb County
- Value (Percent) : The value is 21.6 percent.
- People (Age Under 18) : The number of people (age under 18) is 22,523.
- Rank within US : This county is ranked 1858 of 3146
White County
- Value (Percent) : The value is 21.6 percent.
- People (Age Under 18) : The number of people (age under 18) is 2,994.
- Rank within US : This county is ranked 1848 of 3146
Stephenson County
- Value (Percent) : The value is 21.6 percent.
- People (Age Under 18) : The number of people (age under 18) is 9,738.
- Rank within US : This county is ranked 1845 of 3146
La Salle County
- Value (Percent) : The value is 21.6 percent.
- People (Age Under 18) : The number of people (age under 18) is 23,713.
- Rank within US : This county is ranked 1837 of 3146
Washington County
- Value (Percent) : The value is 21.6 percent.
- People (Age Under 18) : The number of people (age under 18) is 3,038.
- Rank within US : This county is ranked 1836 of 3146
De Witt County
- Value (Percent) : The value is 21.6 percent.
- People (Age Under 18) : The number of people (age under 18) is 3,443.
- Rank within US : This county is ranked 1835 of 3146
McLean County
- Value (Percent) : The value is 21.6 percent.
- People (Age Under 18) : The number of people (age under 18) is 37,351.
- Rank within US : This county is ranked 1825 of 3146
Saline County
- Value (Percent) : The value is 21.7 percent.
- People (Age Under 18) : The number of people (age under 18) is 5,196.
- Rank within US : This county is ranked 1820 of 3146
Iroquois County
- Value (Percent) : The value is 21.8 percent.
- People (Age Under 18) : The number of people (age under 18) is 6,072.
- Rank within US : This county is ranked 1745 of 3146
Williamson County
- Value (Percent) : The value is 21.9 percent.
- People (Age Under 18) : The number of people (age under 18) is 14,682.
- Rank within US : This county is ranked 1728 of 3146
Pulaski County
- Value (Percent) : The value is 21.9 percent.
- People (Age Under 18) : The number of people (age under 18) is 1,206.
- Rank within US : This county is ranked 1724 of 3146
Menard County
- Value (Percent) : The value is 21.9 percent.
- People (Age Under 18) : The number of people (age under 18) is 2,694.
- Rank within US : This county is ranked 1723 of 3146
Scott County
- Value (Percent) : The value is 21.9 percent.
- People (Age Under 18) : The number of people (age under 18) is 1,096.
- Rank within US : This county is ranked 1720 of 3146
Warren County
- Value (Percent) : The value is 21.9 percent.
- People (Age Under 18) : The number of people (age under 18) is 3,756.
- Rank within US : This county is ranked 1717 of 3146
Madison County
- Value (Percent) : The value is 22.0 percent.
- People (Age Under 18) : The number of people (age under 18) is 58,145.
- Rank within US : This county is ranked 1694 of 3146
Cook County
- Value (Percent) : The value is 22.0 percent.
- People (Age Under 18) : The number of people (age under 18) is 1,145,107.
- Rank within US : This county is ranked 1665 of 3146
Franklin County
- Value (Percent) : The value is 22.1 percent.
- People (Age Under 18) : The number of people (age under 18) is 8,618.
- Rank within US : This county is ranked 1620 of 3146
Hamilton County
- Value (Percent) : The value is 22.2 percent.
- People (Age Under 18) : The number of people (age under 18) is 1,812.
- Rank within US : This county is ranked 1613 of 3146
Wabash County
- Value (Percent) : The value is 22.2 percent.
- People (Age Under 18) : The number of people (age under 18) is 2,566.
- Rank within US : This county is ranked 1581 of 3146
Jefferson County
- Value (Percent) : The value is 22.2 percent.
- People (Age Under 18) : The number of people (age under 18) is 8,442.
- Rank within US : This county is ranked 1580 of 3146
Whiteside County
- Value (Percent) : The value is 22.3 percent.
- People (Age Under 18) : The number of people (age under 18) is 12,476.
- Rank within US : This county is ranked 1563 of 3146
Macon County
- Value (Percent) : The value is 22.3 percent.
- People (Age Under 18) : The number of people (age under 18) is 23,520.
- Rank within US : This county is ranked 1547 of 3146
Rock Island County
- Value (Percent) : The value is 22.3 percent.
- People (Age Under 18) : The number of people (age under 18) is 32,134.
- Rank within US : This county is ranked 1525 of 3146
Henry County
- Value (Percent) : The value is 22.4 percent.
- People (Age Under 18) : The number of people (age under 18) is 11,017.
- Rank within US : This county is ranked 1517 of 3146
Monroe County
- Value (Percent) : The value is 22.4 percent.
- People (Age Under 18) : The number of people (age under 18) is 7,642.
- Rank within US : This county is ranked 1510 of 3146
Sangamon County
- Value (Percent) : The value is 22.4 percent.
- People (Age Under 18) : The number of people (age under 18) is 44,187.
- Rank within US : This county is ranked 1480 of 3146
Massac County
- Value (Percent) : The value is 22.5 percent.
- People (Age Under 18) : The number of people (age under 18) is 3,204.
- Rank within US : This county is ranked 1444 of 3146
Piatt County
- Value (Percent) : The value is 22.5 percent.
- People (Age Under 18) : The number of people (age under 18) is 3,696.
- Rank within US : This county is ranked 1443 of 3146
Adams County
- Value (Percent) : The value is 22.6 percent.
- People (Age Under 18) : The number of people (age under 18) is 14,921.
- Rank within US : This county is ranked 1422 of 3146
Pike County
- Value (Percent) : The value is 22.6 percent.
- People (Age Under 18) : The number of people (age under 18) is 3,543.
- Rank within US : This county is ranked 1414 of 3146
Ogle County
- Value (Percent) : The value is 22.7 percent.
- People (Age Under 18) : The number of people (age under 18) is 11,560.
- Rank within US : This county is ranked 1388 of 3146
Wayne County
- Value (Percent) : The value is 22.7 percent.
- People (Age Under 18) : The number of people (age under 18) is 3,723.
- Rank within US : This county is ranked 1369 of 3146
Clay County
- Value (Percent) : The value is 22.7 percent.
- People (Age Under 18) : The number of people (age under 18) is 3,017.
- Rank within US : This county is ranked 1362 of 3146
Ford County
- Value (Percent) : The value is 22.7 percent.
- People (Age Under 18) : The number of people (age under 18) is 3,017.
- Rank within US : This county is ranked 1349 of 3146
Tazewell County
- Value (Percent) : The value is 22.8 percent.
- People (Age Under 18) : The number of people (age under 18) is 30,374.
- Rank within US : This county is ranked 1318 of 3146
DuPage County
- Value (Percent) : The value is 22.9 percent.
- People (Age Under 18) : The number of people (age under 18) is 212,484.
- Rank within US : This county is ranked 1287 of 3146
Cumberland County
- Value (Percent) : The value is 22.9 percent.
- People (Age Under 18) : The number of people (age under 18) is 2,481.
- Rank within US : This county is ranked 1274 of 3146
Marion County
- Value (Percent) : The value is 23.0 percent.
- People (Age Under 18) : The number of people (age under 18) is 8,675.
- Rank within US : This county is ranked 1235 of 3146
Richland County
- Value (Percent) : The value is 23.0 percent.
- People (Age Under 18) : The number of people (age under 18) is 3,626.
- Rank within US : This county is ranked 1230 of 3146
Clark County
- Value (Percent) : The value is 23.1 percent.
- People (Age Under 18) : The number of people (age under 18) is 3,623.
- Rank within US : This county is ranked 1204 of 3146
Kankakee County
- Value (Percent) : The value is 23.1 percent.
- People (Age Under 18) : The number of people (age under 18) is 25,509.
- Rank within US : This county is ranked 1193 of 3146
Jasper County
- Value (Percent) : The value is 23.2 percent.
- People (Age Under 18) : The number of people (age under 18) is 2,226.
- Rank within US : This county is ranked 1141 of 3146
Edwards County
- Value (Percent) : The value is 23.2 percent.
- People (Age Under 18) : The number of people (age under 18) is 1,499.
- Rank within US : This county is ranked 1131 of 3146
Alexander County
- Value (Percent) : The value is 23.3 percent.
- People (Age Under 18) : The number of people (age under 18) is 1,457.
- Rank within US : This county is ranked 1109 of 3146
Winnebago County
- Value (Percent) : The value is 23.6 percent.
- People (Age Under 18) : The number of people (age under 18) is 67,090.
- Rank within US : This county is ranked 999 of 3146
St. Clair County
- Value (Percent) : The value is 23.6 percent.
- People (Age Under 18) : The number of people (age under 18) is 61,839.
- Rank within US : This county is ranked 991 of 3146
Effingham County
- Value (Percent) : The value is 23.7 percent.
- People (Age Under 18) : The number of people (age under 18) is 8,094.
- Rank within US : This county is ranked 934 of 3146
Vermilion County
- Value (Percent) : The value is 23.8 percent.
- People (Age Under 18) : The number of people (age under 18) is 18,438.
- Rank within US : This county is ranked 903 of 3146
Peoria County
- Value (Percent) : The value is 23.8 percent.
- People (Age Under 18) : The number of people (age under 18) is 43,485.
- Rank within US : This county is ranked 889 of 3146
McHenry County
- Value (Percent) : The value is 23.8 percent.
- People (Age Under 18) : The number of people (age under 18) is 73,344.
- Rank within US : This county is ranked 866 of 3146
Woodford County
- Value (Percent) : The value is 24.3 percent.
- People (Age Under 18) : The number of people (age under 18) is 9,400.
- Rank within US : This county is ranked 706 of 3146
Cass County
- Value (Percent) : The value is 24.4 percent.
- People (Age Under 18) : The number of people (age under 18) is 3,043.
- Rank within US : This county is ranked 688 of 3146
Lake County
- Value (Percent) : The value is 24.5 percent.
- People (Age Under 18) : The number of people (age under 18) is 171,546.
- Rank within US : This county is ranked 657 of 3146
Douglas County
- Value (Percent) : The value is 25.0 percent.
- People (Age Under 18) : The number of people (age under 18) is 4,913.
- Rank within US : This county is ranked 514 of 3146
Moultrie County
- Value (Percent) : The value is 25.1 percent.
- People (Age Under 18) : The number of people (age under 18) is 3,676.
- Rank within US : This county is ranked 498 of 3146
Boone County
- Value (Percent) : The value is 25.2 percent.
- People (Age Under 18) : The number of people (age under 18) is 13,514.
- Rank within US : This county is ranked 463 of 3146
Will County
- Value (Percent) : The value is 25.3 percent.
- People (Age Under 18) : The number of people (age under 18) is 174,342.
- Rank within US : This county is ranked 456 of 3146
Grundy County
- Value (Percent) : The value is 25.4 percent.
- People (Age Under 18) : The number of people (age under 18) is 12,881.
- Rank within US : This county is ranked 432 of 3146
Kane County
- Value (Percent) : The value is 25.9 percent.
- People (Age Under 18) : The number of people (age under 18) is 137,700.
- Rank within US : This county is ranked 352 of 3146
Kendall County
- Value (Percent) : The value is 28.8 percent.
- People (Age Under 18) : The number of people (age under 18) is 36,346.
- Rank within US : This county is ranked 124 of 3146
Notes:
Created by statecancerprofiles.cancer.gov on 03/20/2023 4:30 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.
Health Service Areas are a single county or cluster of contiguous counties which are relatively self-contained with respect to hospital care. For more detailed information, please see Health Service Area information page. Puerto Rico is being treated as a Health Service Area for this data presentation.
Data for United States does not include Puerto Rico.