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Demographic Data Report for Missouri by County
Population: Age under 18
All Races (includes Hispanic), Both Sexes
2015-2019 American Community Survey 5-Year Data
Sorted by Name
County
 sort alphabetically by name descending
Value (Percent)
 sort by value ascending
People (Age Under 18)
 sort by sample size ascending
Rank within US
(of 3146 counties)
 sort by rank ascending
Missouri 22.6 1,381,612 24 of 52
United States 22.6 73,429,392 N/A
Adair County 18.6 4,728 2,745
Andrew County 23.1 4,035 1,201
Atchison County 19.3 1,010 2,595
Audrain County 23.1 5,927 1,177
Barry County 22.7 8,054 1,385
Barton County 23.8 2,809 876
Bates County 23.7 3,856 960
Benton County 17.4 3,330 2,910
Bollinger County 21.8 2,663 1,760
Boone County 20.3 36,059 2,330
Buchanan County 22.7 20,047 1,386
Butler County 23.5 10,039 1,006
Caldwell County 23.8 2,155 863
Callaway County 21.2 9,514 2,019
Camden County 18.1 8,209 2,838
Cape Girardeau County 21.4 16,810 1,936
Carroll County 22.7 1,994 1,360
Carter County 23.9 1,468 841
Cass County 24.3 25,214 695
Cedar County 24.1 3,390 749
Chariton County 22.8 1,707 1,313
Christian County 25.5 21,879 404
Clark County 22.8 1,547 1,306
Clay County 24.3 58,939 703
Clinton County 24.1 4,936 779
Cole County 22.5 17,244 1,460
Cooper County 21.7 3,832 1,799
Crawford County 23.0 5,559 1,223
Dade County 20.8 1,573 2,165
Dallas County 23.6 3,924 978
Daviess County 25.7 2,131 379
DeKalb County 16.7 2,090 2,983
Dent County 22.8 3,538 1,342
Douglas County 21.7 2,893 1,777
Dunklin County 25.6 7,685 396
Franklin County 23.1 23,791 1,197
Gasconade County 20.7 3,043 2,187
Gentry County 24.8 1,639 573
Greene County 20.9 60,505 2,130
Grundy County 23.3 2,328 1,096
Harrison County 24.5 2,083 639
Henry County 22.1 4,804 1,639
Hickory County 17.0 1,600 2,954
Holt County 20.4 903 2,304
Howard County 22.0 2,216 1,662
Howell County 23.9 9,600 819
Iron County 20.8 2,113 2,152
Jackson County 23.7 165,044 936
Jasper County 25.1 30,065 505
Jefferson County 23.4 52,412 1,050
Johnson County 21.5 11,552 1,891
Knox County 23.9 943 836
Laclede County 24.5 8,692 654
Lafayette County 23.0 7,507 1,216
Lawrence County 25.4 9,691 443
Lewis County 22.5 2,235 1,476
Lincoln County 25.5 14,419 406
Linn County 23.7 2,876 917
Livingston County 21.9 3,318 1,708
Macon County 23.7 3,607 921
Madison County 22.9 2,783 1,299
Maries County 20.1 1,773 2,373
Marion County 23.9 6,824 854
McDonald County 25.4 5,782 438
Mercer County 24.4 888 684
Miller County 23.8 5,991 902
Mississippi County 21.1 2,858 2,074
Moniteau County 24.6 3,952 614
Monroe County 21.4 1,849 1,927
Montgomery County 22.3 2,563 1,537
Morgan County 22.9 4,633 1,296
New Madrid County 23.4 4,103 1,060
Newton County 24.0 13,977 791
Nodaway County 16.0 3,571 3,041
Oregon County 22.7 2,421 1,348
Osage County 23.1 3,145 1,183
Ozark County 19.9 1,828 2,447
Pemiscot County 26.0 4,335 338
Perry County 23.7 4,550 935
Pettis County 24.8 10,524 554
Phelps County 21.1 9,410 2,067
Pike County 21.9 4,042 1,718
Platte County 23.8 23,949 894
Polk County 23.1 7,338 1,176
Pulaski County 22.0 11,522 1,686
Putnam County 23.3 1,112 1,116
Ralls County 21.3 2,182 1,978
Randolph County 21.9 5,451 1,716
Ray County 22.8 5,216 1,321
Reynolds County 19.9 1,249 2,446
Ripley County 23.0 3,116 1,249
Saline County 23.1 5,311 1,175
Schuyler County 26.3 1,197 302
Scotland County 28.8 1,414 123
Scott County 23.8 9,213 860
Shannon County 21.9 1,803 1,705
Shelby County 24.2 1,455 731
St. Charles County 23.6 92,951 989
St. Clair County 19.5 1,828 2,535
St. Francois County 21.0 13,996 2,089
St. Louis City 19.4 59,819 2,560
St. Louis County 22.1 220,364 1,638
Ste. Genevieve County 21.8 3,883 1,771
Stoddard County 22.4 6,566 1,520
Stone County 16.7 5,275 2,984
Sullivan County 22.3 1,393 1,542
Taney County 21.2 11,708 2,003
Texas County 21.6 5,535 1,832
Vernon County 24.2 4,994 721
Warren County 23.8 8,213 864
Washington County 22.8 5,671 1,313
Wayne County 21.5 2,831 1,914
Webster County 27.0 10,437 222
Worth County 20.2 410 2,348
Wright County 25.5 4,634 422
Notes:
Created by statecancerprofiles.cancer.gov on 05/18/2022 4:51 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.
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.

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