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Demographic Data Report for Missouri by County
Population: Age under 18
All Races (includes Hispanic), Both Sexes
2014-2018 American Community Survey 5-Year Data
Sorted by Value
County
 sort alphabetically by name ascending
Value (Percent)
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People (Age Under 18)
 sort by sample size ascending
Rank within US
(of 3141 counties)
 sort by rank ascending
Missouri 22.7 1,385,063 25 of 52
United States 22.8 73,553,240 N/A
Nodaway County 16.4 3,694 3,029
DeKalb County 16.5 2,076 3,013
Hickory County 16.8 1,571 2,983
Stone County 16.9 5,317 2,979
Benton County 17.5 3,332 2,921
Camden County 17.8 8,032 2,898
Adair County 17.9 4,531 2,886
Atchison County 19.2 1,014 2,646
St. Clair County 19.5 1,834 2,562
Ozark County 19.7 1,815 2,534
St. Louis City 19.7 61,192 2,530
Reynolds County 20.3 1,280 2,363
Boone County 20.3 35,916 2,344
Holt County 20.4 909 2,327
Maries County 20.5 1,825 2,283
Iron County 20.9 2,134 2,162
Dade County 20.9 1,588 2,145
Worth County 20.9 427 2,142
Greene County 21.0 60,463 2,125
Phelps County 21.0 9,411 2,108
Wayne County 21.0 2,798 2,104
Callaway County 21.2 9,487 2,067
St. Francois County 21.2 14,057 2,059
Gasconade County 21.2 3,128 2,052
Ralls County 21.3 2,174 2,026
Taney County 21.3 11,651 2,018
Douglas County 21.4 2,856 1,999
Cape Girardeau County 21.4 16,756 1,985
Texas County 21.5 5,516 1,948
Johnson County 21.6 11,599 1,908
Livingston County 21.6 3,263 1,889
Ste. Genevieve County 21.7 3,886 1,830
Shannon County 21.8 1,799 1,797
Randolph County 21.9 5,454 1,778
Mississippi County 21.9 3,011 1,753
Cooper County 21.9 3,862 1,744
Pike County 21.9 4,055 1,737
Bollinger County 22.0 2,702 1,705
Sullivan County 22.0 1,391 1,698
Pulaski County 22.1 11,645 1,652
Oregon County 22.2 2,373 1,634
St. Louis County 22.2 221,598 1,630
Howard County 22.3 2,253 1,592
Henry County 22.3 4,855 1,574
Stoddard County 22.3 6,587 1,567
Monroe County 22.3 1,932 1,566
Morgan County 22.6 4,547 1,460
Cole County 22.6 17,356 1,446
Barry County 22.7 8,051 1,420
Carroll County 22.7 2,006 1,419
Putnam County 22.7 1,093 1,412
Montgomery County 22.7 2,623 1,404
Madison County 22.7 2,775 1,399
Dent County 22.8 3,539 1,361
Buchanan County 22.8 20,348 1,352
Ripley County 22.9 3,138 1,308
Ray County 22.9 5,231 1,307
Saline County 22.9 5,298 1,297
Chariton County 22.9 1,731 1,290
Lewis County 23.0 2,302 1,282
Polk County 23.0 7,265 1,253
Washington County 23.0 5,743 1,250
Andrew County 23.1 4,012 1,241
Crawford County 23.1 5,618 1,211
Clark County 23.1 1,574 1,205
Lafayette County 23.2 7,558 1,190
Osage County 23.2 3,160 1,189
Grundy County 23.2 2,330 1,187
Franklin County 23.2 23,863 1,184
Audrain County 23.3 5,985 1,162
New Madrid County 23.4 4,162 1,118
Butler County 23.6 10,084 1,016
Jefferson County 23.6 52,788 1,004
Knox County 23.7 936 987
Macon County 23.7 3,614 986
Clinton County 23.7 4,851 985
Howell County 23.7 9,509 978
Miller County 23.7 5,944 969
Scott County 23.8 9,209 944
Vernon County 23.8 4,922 938
St. Charles County 23.8 92,943 915
Jackson County 23.8 164,975 912
Platte County 23.8 23,564 908
Bates County 23.9 3,913 880
Linn County 23.9 2,916 865
Perry County 24.0 4,589 852
Warren County 24.0 8,139 840
Marion County 24.0 6,884 836
Shelby County 24.1 1,458 816
Caldwell County 24.1 2,183 783
Cedar County 24.2 3,367 777
Dallas County 24.2 3,986 774
Barton County 24.2 2,864 769
Newton County 24.2 14,090 754
Laclede County 24.5 8,690 672
Clay County 24.5 58,609 664
Harrison County 24.5 2,097 659
Gentry County 24.5 1,635 656
Cass County 24.6 25,291 630
Wright County 24.8 4,535 586
Pettis County 24.9 10,548 559
Carter County 24.9 1,544 552
Jasper County 25.2 30,092 487
Moniteau County 25.3 4,034 480
Lawrence County 25.4 9,683 457
Mercer County 25.5 935 433
Daviess County 25.7 2,133 396
Lincoln County 25.7 14,292 387
Christian County 25.8 21,702 382
McDonald County 25.8 5,895 374
Dunklin County 25.8 7,858 373
Pemiscot County 26.3 4,477 321
Schuyler County 26.6 1,196 290
Webster County 27.2 10,343 222
Scotland County 28.4 1,389 140
Notes:
Created by statecancerprofiles.cancer.gov on 04/20/2021 9:38 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.

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