State Cancer Profiles

Interpretation of Demographics Data

Demographic Data Report for Illinois by County
Population: Age under 18
All Races (includes Hispanic), Both Sexes
2017-2021 American Community Survey 5-Year Data
Sorted by Rank

Illinois

• Value (Percent) : The value is 22.5 percent.
• People (Age Under 18) : The number of people (age under 18) is 2,887,351.
• Rank within US : This state is ranked 24 of 52

United States

• Value (Percent) : The value is 22.5 percent.
• People (Age Under 18) : The number of people (age under 18) is 74,234,075.
• Rank within US : N/A

Kendall County

• Value (Percent) : The value is 28.4 percent.
• People (Age Under 18) : The number of people (age under 18) is 37,154.
• Rank within US : This county is ranked 140 of 3143

Moultrie County

• Value (Percent) : The value is 25.7 percent.
• People (Age Under 18) : The number of people (age under 18) is 3,762.
• Rank within US : This county is ranked 386 of 3143

Kane County

• Value (Percent) : The value is 25.3 percent.
• People (Age Under 18) : The number of people (age under 18) is 131,408.
• Rank within US : This county is ranked 461 of 3143

Grundy County

• Value (Percent) : The value is 25.3 percent.
• People (Age Under 18) : The number of people (age under 18) is 13,223.
• Rank within US : This county is ranked 475 of 3143

Douglas County

• Value (Percent) : The value is 25.0 percent.
• People (Age Under 18) : The number of people (age under 18) is 4,919.
• Rank within US : This county is ranked 526 of 3143

Will County

• Value (Percent) : The value is 24.8 percent.
• People (Age Under 18) : The number of people (age under 18) is 172,426.
• Rank within US : This county is ranked 577 of 3143

Boone County

• Value (Percent) : The value is 24.6 percent.
• People (Age Under 18) : The number of people (age under 18) is 13,206.
• Rank within US : This county is ranked 613 of 3143

Cass County

• Value (Percent) : The value is 24.6 percent.
• People (Age Under 18) : The number of people (age under 18) is 3,211.
• Rank within US : This county is ranked 629 of 3143

Woodford County

• Value (Percent) : The value is 24.3 percent.
• People (Age Under 18) : The number of people (age under 18) is 9,374.
• Rank within US : This county is ranked 710 of 3143

Lake County

• Value (Percent) : The value is 24.1 percent.
• People (Age Under 18) : The number of people (age under 18) is 172,427.
• Rank within US : This county is ranked 765 of 3143

Effingham County

• Value (Percent) : The value is 24.1 percent.
• People (Age Under 18) : The number of people (age under 18) is 8,324.
• Rank within US : This county is ranked 791 of 3143

Peoria County

• Value (Percent) : The value is 24.0 percent.
• People (Age Under 18) : The number of people (age under 18) is 43,771.
• Rank within US : This county is ranked 815 of 3143

Vermilion County

• Value (Percent) : The value is 23.7 percent.
• People (Age Under 18) : The number of people (age under 18) is 17,766.
• Rank within US : This county is ranked 952 of 3143

St. Clair County

• Value (Percent) : The value is 23.7 percent.
• People (Age Under 18) : The number of people (age under 18) is 61,160.
• Rank within US : This county is ranked 969 of 3143

Winnebago County

• Value (Percent) : The value is 23.6 percent.
• People (Age Under 18) : The number of people (age under 18) is 67,408.
• Rank within US : This county is ranked 976 of 3143

Richland County

• Value (Percent) : The value is 23.6 percent.
• People (Age Under 18) : The number of people (age under 18) is 3,742.
• Rank within US : This county is ranked 1001 of 3143

Marion County

• Value (Percent) : The value is 23.5 percent.
• People (Age Under 18) : The number of people (age under 18) is 8,892.
• Rank within US : This county is ranked 1011 of 3143

McHenry County

• Value (Percent) : The value is 23.5 percent.
• People (Age Under 18) : The number of people (age under 18) is 72,908.
• Rank within US : This county is ranked 1041 of 3143

Clark County

• Value (Percent) : The value is 23.2 percent.
• People (Age Under 18) : The number of people (age under 18) is 3,620.
• Rank within US : This county is ranked 1155 of 3143

Jasper County

• Value (Percent) : The value is 23.1 percent.
• People (Age Under 18) : The number of people (age under 18) is 2,150.
• Rank within US : This county is ranked 1224 of 3143

Ford County

• Value (Percent) : The value is 23.0 percent.
• People (Age Under 18) : The number of people (age under 18) is 3,131.
• Rank within US : This county is ranked 1232 of 3143

Clay County

• Value (Percent) : The value is 23.0 percent.
• People (Age Under 18) : The number of people (age under 18) is 3,064.
• Rank within US : This county is ranked 1243 of 3143

Kankakee County

• Value (Percent) : The value is 22.9 percent.
• People (Age Under 18) : The number of people (age under 18) is 24,768.
• Rank within US : This county is ranked 1287 of 3143

Menard County

• Value (Percent) : The value is 22.9 percent.
• People (Age Under 18) : The number of people (age under 18) is 2,825.
• Rank within US : This county is ranked 1300 of 3143

Cumberland County

• Value (Percent) : The value is 22.8 percent.
• People (Age Under 18) : The number of people (age under 18) is 2,404.
• Rank within US : This county is ranked 1326 of 3143

Tazewell County

• Value (Percent) : The value is 22.8 percent.
• People (Age Under 18) : The number of people (age under 18) is 30,097.
• Rank within US : This county is ranked 1335 of 3143

Pike County

• Value (Percent) : The value is 22.8 percent.
• People (Age Under 18) : The number of people (age under 18) is 3,402.
• Rank within US : This county is ranked 1339 of 3143

Wayne County

• Value (Percent) : The value is 22.8 percent.
• People (Age Under 18) : The number of people (age under 18) is 3,703.
• Rank within US : This county is ranked 1342 of 3143

DuPage County

• Value (Percent) : The value is 22.8 percent.
• People (Age Under 18) : The number of people (age under 18) is 212,701.
• Rank within US : This county is ranked 1352 of 3143

Adams County

• Value (Percent) : The value is 22.8 percent.
• People (Age Under 18) : The number of people (age under 18) is 14,996.
• Rank within US : This county is ranked 1355 of 3143

Edwards County

• Value (Percent) : The value is 22.7 percent.
• People (Age Under 18) : The number of people (age under 18) is 1,416.
• Rank within US : This county is ranked 1383 of 3143

Alexander County

• Value (Percent) : The value is 22.7 percent.
• People (Age Under 18) : The number of people (age under 18) is 1,246.
• Rank within US : This county is ranked 1387 of 3143

Ogle County

• Value (Percent) : The value is 22.6 percent.
• People (Age Under 18) : The number of people (age under 18) is 11,723.
• Rank within US : This county is ranked 1422 of 3143

Macon County

• Value (Percent) : The value is 22.5 percent.
• People (Age Under 18) : The number of people (age under 18) is 23,483.
• Rank within US : This county is ranked 1461 of 3143

Rock Island County

• Value (Percent) : The value is 22.5 percent.
• People (Age Under 18) : The number of people (age under 18) is 32,557.
• Rank within US : This county is ranked 1464 of 3143

Jefferson County

• Value (Percent) : The value is 22.4 percent.
• People (Age Under 18) : The number of people (age under 18) is 8,387.
• Rank within US : This county is ranked 1479 of 3143

Piatt County

• Value (Percent) : The value is 22.4 percent.
• People (Age Under 18) : The number of people (age under 18) is 3,738.
• Rank within US : This county is ranked 1489 of 3143

Monroe County

• Value (Percent) : The value is 22.4 percent.
• People (Age Under 18) : The number of people (age under 18) is 7,771.
• Rank within US : This county is ranked 1511 of 3143

Franklin County

• Value (Percent) : The value is 22.4 percent.
• People (Age Under 18) : The number of people (age under 18) is 8,514.
• Rank within US : This county is ranked 1514 of 3143

Henry County

• Value (Percent) : The value is 22.4 percent.
• People (Age Under 18) : The number of people (age under 18) is 11,051.
• Rank within US : This county is ranked 1515 of 3143

Wabash County

• Value (Percent) : The value is 22.3 percent.
• People (Age Under 18) : The number of people (age under 18) is 2,551.
• Rank within US : This county is ranked 1524 of 3143

Sangamon County

• Value (Percent) : The value is 22.3 percent.
• People (Age Under 18) : The number of people (age under 18) is 43,924.
• Rank within US : This county is ranked 1539 of 3143

Whiteside County

• Value (Percent) : The value is 22.2 percent.
• People (Age Under 18) : The number of people (age under 18) is 12,398.
• Rank within US : This county is ranked 1612 of 3143

White County

• Value (Percent) : The value is 22.1 percent.
• People (Age Under 18) : The number of people (age under 18) is 3,081.
• Rank within US : This county is ranked 1650 of 3143

Massac County

• Value (Percent) : The value is 22.0 percent.
• People (Age Under 18) : The number of people (age under 18) is 3,147.
• Rank within US : This county is ranked 1665 of 3143

Iroquois County

• Value (Percent) : The value is 22.0 percent.
• People (Age Under 18) : The number of people (age under 18) is 6,019.
• Rank within US : This county is ranked 1680 of 3143

Madison County

• Value (Percent) : The value is 22.0 percent.
• People (Age Under 18) : The number of people (age under 18) is 58,478.
• Rank within US : This county is ranked 1694 of 3143

Williamson County

• Value (Percent) : The value is 22.0 percent.
• People (Age Under 18) : The number of people (age under 18) is 14,773.
• Rank within US : This county is ranked 1701 of 3143

Livingston County

• Value (Percent) : The value is 21.9 percent.
• People (Age Under 18) : The number of people (age under 18) is 7,865.
• Rank within US : This county is ranked 1723 of 3143

Scott County

• Value (Percent) : The value is 21.9 percent.
• People (Age Under 18) : The number of people (age under 18) is 1,077.
• Rank within US : This county is ranked 1734 of 3143

Cook County

• Value (Percent) : The value is 21.9 percent.
• People (Age Under 18) : The number of people (age under 18) is 1,151,647.
• Rank within US : This county is ranked 1739 of 3143

Hamilton County

• Value (Percent) : The value is 21.9 percent.
• People (Age Under 18) : The number of people (age under 18) is 1,753.
• Rank within US : This county is ranked 1746 of 3143

Warren County

• Value (Percent) : The value is 21.8 percent.
• People (Age Under 18) : The number of people (age under 18) is 3,680.
• Rank within US : This county is ranked 1785 of 3143

Shelby County

• Value (Percent) : The value is 21.7 percent.
• People (Age Under 18) : The number of people (age under 18) is 4,590.
• Rank within US : This county is ranked 1825 of 3143

DeKalb County

• Value (Percent) : The value is 21.7 percent.
• People (Age Under 18) : The number of people (age under 18) is 21,885.
• Rank within US : This county is ranked 1828 of 3143

Greene County

• Value (Percent) : The value is 21.6 percent.
• People (Age Under 18) : The number of people (age under 18) is 2,635.
• Rank within US : This county is ranked 1864 of 3143

Saline County

• Value (Percent) : The value is 21.6 percent.
• People (Age Under 18) : The number of people (age under 18) is 5,159.
• Rank within US : This county is ranked 1867 of 3143

Stephenson County

• Value (Percent) : The value is 21.6 percent.
• People (Age Under 18) : The number of people (age under 18) is 9,681.
• Rank within US : This county is ranked 1872 of 3143

McLean County

• Value (Percent) : The value is 21.6 percent.
• People (Age Under 18) : The number of people (age under 18) is 37,013.
• Rank within US : This county is ranked 1876 of 3143

La Salle County

• Value (Percent) : The value is 21.6 percent.
• People (Age Under 18) : The number of people (age under 18) is 23,708.
• Rank within US : This county is ranked 1900 of 3143

De Witt County

• Value (Percent) : The value is 21.5 percent.
• People (Age Under 18) : The number of people (age under 18) is 3,365.
• Rank within US : This county is ranked 1916 of 3143

Bureau County

• Value (Percent) : The value is 21.4 percent.
• People (Age Under 18) : The number of people (age under 18) is 7,144.
• Rank within US : This county is ranked 1940 of 3143

Mercer County

• Value (Percent) : The value is 21.4 percent.
• People (Age Under 18) : The number of people (age under 18) is 3,381.
• Rank within US : This county is ranked 1942 of 3143

Clinton County

• Value (Percent) : The value is 21.4 percent.
• People (Age Under 18) : The number of people (age under 18) is 7,935.
• Rank within US : This county is ranked 1945 of 3143

Stark County

• Value (Percent) : The value is 21.3 percent.
• People (Age Under 18) : The number of people (age under 18) is 1,158.
• Rank within US : This county is ranked 1982 of 3143

Union County

• Value (Percent) : The value is 21.3 percent.
• People (Age Under 18) : The number of people (age under 18) is 3,668.
• Rank within US : This county is ranked 2004 of 3143

Fayette County

• Value (Percent) : The value is 21.2 percent.
• People (Age Under 18) : The number of people (age under 18) is 4,570.
• Rank within US : This county is ranked 2008 of 3143

Christian County

• Value (Percent) : The value is 21.2 percent.
• People (Age Under 18) : The number of people (age under 18) is 7,221.
• Rank within US : This county is ranked 2013 of 3143

Macoupin County

• Value (Percent) : The value is 21.2 percent.
• People (Age Under 18) : The number of people (age under 18) is 9,574.
• Rank within US : This county is ranked 2016 of 3143

Washington County

• Value (Percent) : The value is 21.2 percent.
• People (Age Under 18) : The number of people (age under 18) is 2,926.
• Rank within US : This county is ranked 2035 of 3143

Pulaski County

• Value (Percent) : The value is 21.1 percent.
• People (Age Under 18) : The number of people (age under 18) is 1,114.
• Rank within US : This county is ranked 2059 of 3143

Hancock County

• Value (Percent) : The value is 20.9 percent.
• People (Age Under 18) : The number of people (age under 18) is 3,716.
• Rank within US : This county is ranked 2105 of 3143

Mason County

• Value (Percent) : The value is 20.8 percent.
• People (Age Under 18) : The number of people (age under 18) is 2,756.
• Rank within US : This county is ranked 2142 of 3143

Marshall County

• Value (Percent) : The value is 20.7 percent.
• People (Age Under 18) : The number of people (age under 18) is 2,435.
• Rank within US : This county is ranked 2190 of 3143

Putnam County

• Value (Percent) : The value is 20.5 percent.
• People (Age Under 18) : The number of people (age under 18) is 1,153.
• Rank within US : This county is ranked 2267 of 3143

Jersey County

• Value (Percent) : The value is 20.4 percent.
• People (Age Under 18) : The number of people (age under 18) is 4,390.
• Rank within US : This county is ranked 2291 of 3143

Montgomery County

• Value (Percent) : The value is 20.3 percent.
• People (Age Under 18) : The number of people (age under 18) is 5,787.
• Rank within US : This county is ranked 2308 of 3143

Calhoun County

• Value (Percent) : The value is 20.2 percent.
• People (Age Under 18) : The number of people (age under 18) is 917.
• Rank within US : This county is ranked 2337 of 3143

Knox County

• Value (Percent) : The value is 20.0 percent.
• People (Age Under 18) : The number of people (age under 18) is 10,042.
• Rank within US : This county is ranked 2404 of 3143

Gallatin County

• Value (Percent) : The value is 19.9 percent.
• People (Age Under 18) : The number of people (age under 18) is 1,005.
• Rank within US : This county is ranked 2425 of 3143

Lee County

• Value (Percent) : The value is 19.9 percent.
• People (Age Under 18) : The number of people (age under 18) is 6,851.
• Rank within US : This county is ranked 2430 of 3143

Edgar County

• Value (Percent) : The value is 19.9 percent.
• People (Age Under 18) : The number of people (age under 18) is 3,377.
• Rank within US : This county is ranked 2447 of 3143

Fulton County

• Value (Percent) : The value is 19.8 percent.
• People (Age Under 18) : The number of people (age under 18) is 6,736.
• Rank within US : This county is ranked 2462 of 3143

Crawford County

• Value (Percent) : The value is 19.7 percent.
• People (Age Under 18) : The number of people (age under 18) is 3,709.
• Rank within US : This county is ranked 2479 of 3143

Carroll County

• Value (Percent) : The value is 19.5 percent.
• People (Age Under 18) : The number of people (age under 18) is 3,045.
• Rank within US : This county is ranked 2523 of 3143

Randolph County

• Value (Percent) : The value is 19.4 percent.
• People (Age Under 18) : The number of people (age under 18) is 5,955.
• Rank within US : This county is ranked 2544 of 3143

Perry County

• Value (Percent) : The value is 19.4 percent.
• People (Age Under 18) : The number of people (age under 18) is 4,107.
• Rank within US : This county is ranked 2553 of 3143

Logan County

• Value (Percent) : The value is 19.4 percent.
• People (Age Under 18) : The number of people (age under 18) is 5,465.
• Rank within US : This county is ranked 2566 of 3143

Johnson County

• Value (Percent) : The value is 19.2 percent.
• People (Age Under 18) : The number of people (age under 18) is 2,548.
• Rank within US : This county is ranked 2597 of 3143

Morgan County

• Value (Percent) : The value is 19.2 percent.
• People (Age Under 18) : The number of people (age under 18) is 6,367.
• Rank within US : This county is ranked 2616 of 3143

Champaign County

• Value (Percent) : The value is 19.1 percent.
• People (Age Under 18) : The number of people (age under 18) is 39,485.
• Rank within US : This county is ranked 2634 of 3143

Lawrence County

• Value (Percent) : The value is 19.0 percent.
• People (Age Under 18) : The number of people (age under 18) is 2,945.
• Rank within US : This county is ranked 2646 of 3143

Jo Daviess County

• Value (Percent) : The value is 19.0 percent.
• People (Age Under 18) : The number of people (age under 18) is 4,184.
• Rank within US : This county is ranked 2650 of 3143

Jackson County

• Value (Percent) : The value is 18.9 percent.
• People (Age Under 18) : The number of people (age under 18) is 10,124.
• Rank within US : This county is ranked 2681 of 3143

Bond County

• Value (Percent) : The value is 18.7 percent.
• People (Age Under 18) : The number of people (age under 18) is 3,136.
• Rank within US : This county is ranked 2724 of 3143

Henderson County

• Value (Percent) : The value is 18.4 percent.
• People (Age Under 18) : The number of people (age under 18) is 1,196.
• Rank within US : This county is ranked 2759 of 3143

Coles County

• Value (Percent) : The value is 18.2 percent.
• People (Age Under 18) : The number of people (age under 18) is 8,646.
• Rank within US : This county is ranked 2804 of 3143

Pope County

• Value (Percent) : The value is 18.1 percent.
• People (Age Under 18) : The number of people (age under 18) is 693.
• Rank within US : This county is ranked 2813 of 3143

Brown County

• Value (Percent) : The value is 17.4 percent.
• People (Age Under 18) : The number of people (age under 18) is 1,103.
• Rank within US : This county is ranked 2900 of 3143

Schuyler County

• Value (Percent) : The value is 17.4 percent.
• People (Age Under 18) : The number of people (age under 18) is 1,210.
• Rank within US : This county is ranked 2902 of 3143

McDonough County

• Value (Percent) : The value is 17.3 percent.
• People (Age Under 18) : The number of people (age under 18) is 4,809.
• Rank within US : This county is ranked 2913 of 3143

Hardin County

• Value (Percent) : The value is 13.8 percent.
• People (Age Under 18) : The number of people (age under 18) is 511.
• Rank within US : This county is ranked 3109 of 3143

Notes:
Created by statecancerprofiles.cancer.gov on 04/23/2024 2:27 am.
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.