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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 Rank
County
 sort alphabetically by name ascending
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
United States 22.5 74,234,075 N/A
Missouri 22.7 1,392,375 23 of 52
Nodaway County 16.0 3,454 3,029
Stone County 16.6 5,163 2,978
Benton County 17.3 3,356 2,910
Hickory County 17.5 1,472 2,895
Camden County 18.0 7,748 2,832
Adair County 18.3 4,638 2,786
DeKalb County 18.6 2,170 2,726
Reynolds County 18.8 1,153 2,700
St. Louis City 19.0 57,487 2,658
Ozark County 19.4 1,680 2,557
Worth County 20.2 405 2,338
St. Clair County 20.5 1,890 2,262
Maries County 20.6 1,738 2,233
Boone County 20.6 37,472 2,229
Holt County 20.7 887 2,198
Wayne County 20.7 2,338 2,178
Dade County 20.8 1,575 2,166
Gasconade County 20.8 3,083 2,147
Atchison County 20.8 1,107 2,141
Greene County 21.0 62,217 2,099
Taney County 21.3 11,871 2,003
Phelps County 21.3 9,501 1,999
St. Francois County 21.3 14,300 1,987
Callaway County 21.3 9,473 1,978
Texas County 21.3 5,308 1,967
Mississippi County 21.5 2,790 1,915
Ralls County 21.5 2,220 1,911
Iron County 21.5 2,067 1,910
Ste. Genevieve County 21.6 3,969 1,895
Carter County 21.6 1,158 1,879
Johnson County 21.6 11,651 1,865
Cape Girardeau County 21.7 17,565 1,839
Livingston County 21.7 3,250 1,838
Bollinger County 21.7 2,337 1,809
Randolph County 21.8 5,425 1,777
Henry County 22.0 4,809 1,694
Shannon County 22.0 1,580 1,687
Pulaski County 22.0 11,761 1,678
Howard County 22.1 2,246 1,622
Stoddard County 22.2 6,390 1,607
Douglas County 22.2 2,624 1,590
Cooper County 22.2 3,867 1,587
St. Louis County 22.2 222,848 1,579
Lewis County 22.3 2,233 1,567
Montgomery County 22.3 2,540 1,543
Cole County 22.4 17,347 1,497
Monroe County 22.4 1,939 1,487
Carroll County 22.6 1,937 1,431
Buchanan County 22.7 19,380 1,413
Crawford County 22.7 5,272 1,380
Ray County 22.8 5,267 1,330
Osage County 22.8 3,055 1,320
Barry County 22.8 7,916 1,319
Dent County 22.9 3,335 1,312
Chariton County 22.9 1,701 1,300
Pike County 22.9 4,134 1,290
Audrain County 23.0 5,804 1,246
Franklin County 23.0 24,017 1,240
Saline County 23.1 5,377 1,206
Jefferson County 23.2 52,419 1,164
Polk County 23.2 7,325 1,157
Putnam County 23.2 1,095 1,156
St. Charles County 23.3 93,754 1,120
Morgan County 23.3 4,874 1,105
Lafayette County 23.4 7,660 1,085
Andrew County 23.4 4,216 1,081
Washington County 23.4 5,578 1,053
Macon County 23.5 3,581 1,018
New Madrid County 23.5 3,922 1,008
Warren County 23.6 8,258 1,000
Perry County 23.6 4,481 998
Madison County 23.6 2,972 990
Sullivan County 23.6 1,427 982
Clinton County 23.6 4,980 981
Oregon County 23.6 2,099 979
Jackson County 23.7 168,801 963
Butler County 23.7 10,034 948
Marion County 23.7 6,780 940
Ripley County 23.8 2,622 928
Platte County 23.8 25,012 924
Miller County 23.8 5,861 920
Barton County 23.8 2,790 900
Knox County 23.8 901 899
Mercer County 23.9 850 874
Linn County 23.9 2,858 865
Newton County 24.0 14,055 825
Bates County 24.0 3,863 813
Caldwell County 24.1 2,134 782
Cass County 24.1 25,803 772
Clay County 24.2 60,460 748
Scott County 24.2 9,241 730
Howell County 24.2 9,630 727
Cedar County 24.3 3,441 720
Dallas County 24.5 4,147 665
Shelby County 24.5 1,491 659
Vernon County 24.5 4,867 647
Harrison County 24.6 2,021 643
Gentry County 24.7 1,536 609
Clark County 24.9 1,655 547
Grundy County 25.0 2,471 527
Moniteau County 25.0 3,931 514
Jasper County 25.1 30,594 509
Laclede County 25.1 9,001 508
Pettis County 25.1 10,783 501
McDonald County 25.3 5,882 469
Christian County 25.5 22,404 422
Lincoln County 25.6 15,048 403
Daviess County 25.7 2,168 384
Lawrence County 25.8 9,819 377
Schuyler County 26.0 1,065 336
Wright County 26.1 4,761 328
Dunklin County 26.1 7,463 327
Pemiscot County 26.1 4,165 324
Webster County 27.3 10,640 205
Scotland County 29.2 1,389 116
Notes:
Created by statecancerprofiles.cancer.gov on 05/24/2024 9:16 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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