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Demographic Data Report for Missouri by County
Population: Age under 18
All Races (includes Hispanic), Both Sexes
2017-2021 American Community Survey 5-Year Data
Sorted by Name
County
 sort alphabetically by name descending
Value (Percent)
 sort by value descending
People (Age Under 18)
 sort by sample size descending
Rank within US
(of 3143 counties)
 sort by rank descending
Missouri 22.7 1,392,375 23 of 52
United States 22.5 74,234,075 N/A
Adair County 18.3 4,638 2,786
Andrew County 23.4 4,216 1,081
Atchison County 20.8 1,107 2,141
Audrain County 23.0 5,804 1,246
Barry County 22.8 7,916 1,319
Barton County 23.8 2,790 900
Bates County 24.0 3,863 813
Benton County 17.3 3,356 2,910
Bollinger County 21.7 2,337 1,809
Boone County 20.6 37,472 2,229
Buchanan County 22.7 19,380 1,413
Butler County 23.7 10,034 948
Caldwell County 24.1 2,134 782
Callaway County 21.3 9,473 1,978
Camden County 18.0 7,748 2,832
Cape Girardeau County 21.7 17,565 1,839
Carroll County 22.6 1,937 1,431
Carter County 21.6 1,158 1,879
Cass County 24.1 25,803 772
Cedar County 24.3 3,441 720
Chariton County 22.9 1,701 1,300
Christian County 25.5 22,404 422
Clark County 24.9 1,655 547
Clay County 24.2 60,460 748
Clinton County 23.6 4,980 981
Cole County 22.4 17,347 1,497
Cooper County 22.2 3,867 1,587
Crawford County 22.7 5,272 1,380
Dade County 20.8 1,575 2,166
Dallas County 24.5 4,147 665
Daviess County 25.7 2,168 384
DeKalb County 18.6 2,170 2,726
Dent County 22.9 3,335 1,312
Douglas County 22.2 2,624 1,590
Dunklin County 26.1 7,463 327
Franklin County 23.0 24,017 1,240
Gasconade County 20.8 3,083 2,147
Gentry County 24.7 1,536 609
Greene County 21.0 62,217 2,099
Grundy County 25.0 2,471 527
Harrison County 24.6 2,021 643
Henry County 22.0 4,809 1,694
Hickory County 17.5 1,472 2,895
Holt County 20.7 887 2,198
Howard County 22.1 2,246 1,622
Howell County 24.2 9,630 727
Iron County 21.5 2,067 1,910
Jackson County 23.7 168,801 963
Jasper County 25.1 30,594 509
Jefferson County 23.2 52,419 1,164
Johnson County 21.6 11,651 1,865
Knox County 23.8 901 899
Laclede County 25.1 9,001 508
Lafayette County 23.4 7,660 1,085
Lawrence County 25.8 9,819 377
Lewis County 22.3 2,233 1,567
Lincoln County 25.6 15,048 403
Linn County 23.9 2,858 865
Livingston County 21.7 3,250 1,838
Macon County 23.5 3,581 1,018
Madison County 23.6 2,972 990
Maries County 20.6 1,738 2,233
Marion County 23.7 6,780 940
McDonald County 25.3 5,882 469
Mercer County 23.9 850 874
Miller County 23.8 5,861 920
Mississippi County 21.5 2,790 1,915
Moniteau County 25.0 3,931 514
Monroe County 22.4 1,939 1,487
Montgomery County 22.3 2,540 1,543
Morgan County 23.3 4,874 1,105
New Madrid County 23.5 3,922 1,008
Newton County 24.0 14,055 825
Nodaway County 16.0 3,454 3,029
Oregon County 23.6 2,099 979
Osage County 22.8 3,055 1,320
Ozark County 19.4 1,680 2,557
Pemiscot County 26.1 4,165 324
Perry County 23.6 4,481 998
Pettis County 25.1 10,783 501
Phelps County 21.3 9,501 1,999
Pike County 22.9 4,134 1,290
Platte County 23.8 25,012 924
Polk County 23.2 7,325 1,157
Pulaski County 22.0 11,761 1,678
Putnam County 23.2 1,095 1,156
Ralls County 21.5 2,220 1,911
Randolph County 21.8 5,425 1,777
Ray County 22.8 5,267 1,330
Reynolds County 18.8 1,153 2,700
Ripley County 23.8 2,622 928
Saline County 23.1 5,377 1,206
Schuyler County 26.0 1,065 336
Scotland County 29.2 1,389 116
Scott County 24.2 9,241 730
Shannon County 22.0 1,580 1,687
Shelby County 24.5 1,491 659
St. Charles County 23.3 93,754 1,120
St. Clair County 20.5 1,890 2,262
St. Francois County 21.3 14,300 1,987
St. Louis City 19.0 57,487 2,658
St. Louis County 22.2 222,848 1,579
Ste. Genevieve County 21.6 3,969 1,895
Stoddard County 22.2 6,390 1,607
Stone County 16.6 5,163 2,978
Sullivan County 23.6 1,427 982
Taney County 21.3 11,871 2,003
Texas County 21.3 5,308 1,967
Vernon County 24.5 4,867 647
Warren County 23.6 8,258 1,000
Washington County 23.4 5,578 1,053
Wayne County 20.7 2,338 2,178
Webster County 27.3 10,640 205
Worth County 20.2 405 2,338
Wright County 26.1 4,761 328
Notes:
Created by statecancerprofiles.cancer.gov on 02/29/2024 9:14 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.

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