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Demographics Table

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Demographic Data Report for Missouri by County
Population: Age under 18
All Races (includes Hispanic), Both Sexes
2019-2023 American Community Survey 5-Year Data
Sorted by Count

County
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2023 Rural-Urban Continuum Codes Φ
 sort by rural urban descending
Value (Percent)
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People (Age Under 18)
 sort by sample size ascending
Rank within US
(of 3143 counties)
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United States N/A 22.2 73,645,238 N/A
Missouri N/A 22.5 1,386,571 19 of 52
St. Louis County Urban 22.1 220,471 1,518
Jackson County Urban 23.5 168,392 900
St. Charles County Urban 22.8 93,542 1,209
Greene County Urban 20.9 63,080 2,008
Clay County Urban 23.8 60,815 786
St. Louis City Urban 18.6 54,409 2,650
Jefferson County Urban 22.8 51,996 1,209
Boone County Urban 20.3 37,772 2,213
Jasper County Urban 24.8 30,653 507
Cass County Urban 23.7 25,937 823
Platte County Urban 23.4 25,434 947
Franklin County Urban 22.6 23,768 1,288
Christian County Urban 25.3 23,059 398
Buchanan County Urban 22.4 18,764 1,385
Cape Girardeau County Urban 21.5 17,633 1,784
Cole County Urban 22.2 17,099 1,469
Lincoln County Urban 25.3 15,572 398
Newton County Urban 23.9 14,218 750
St. Francois County Rural 21.1 14,087 1,936
Johnson County Rural 22.1 11,988 1,518
Taney County Rural 21.0 11,822 1,977
Pulaski County Rural 21.9 11,804 1,606
Webster County Urban 27.5 10,945 165
Pettis County Rural 25.2 10,878 426
Butler County Rural 23.3 9,807 1,001
Howell County Rural 24.3 9,774 619
Lawrence County Rural 25.5 9,774 355
Phelps County Rural 21.2 9,522 1,907
Callaway County Urban 20.8 9,281 2,044
Scott County Rural 24.2 9,178 647
Laclede County Rural 24.8 8,989 507
Warren County Urban 23.5 8,560 900
Barry County Rural 22.9 7,959 1,173
Lafayette County Urban 23.1 7,603 1,087
Polk County Urban 23.5 7,541 900
Camden County Rural 17.4 7,540 2,857
Dunklin County Rural 25.9 7,188 299
Marion County Rural 23.7 6,741 823
Stoddard County Rural 22.3 6,371 1,429
McDonald County Rural 25.6 6,013 338
Miller County Rural 23.5 5,895 900
Audrain County Rural 22.8 5,621 1,209
Washington County Rural 23.3 5,480 1,001
Randolph County Rural 22.1 5,408 1,518
Texas County Rural 21.6 5,398 1,725
Stone County Rural 16.8 5,336 2,927
Ray County Urban 22.8 5,280 1,209
Crawford County Rural 22.3 5,109 1,429
Saline County Rural 21.9 5,072 1,606
Henry County Rural 22.3 4,957 1,429
Morgan County Rural 23.0 4,934 1,127
Clinton County Urban 23.0 4,900 1,127
Wright County Rural 26.2 4,898 259
Vernon County Rural 23.9 4,706 750
Adair County Rural 18.6 4,698 2,650
Perry County Rural 22.9 4,334 1,173
Dallas County Urban 24.1 4,175 687
Andrew County Urban 22.6 4,086 1,288
Pike County Rural 23.0 4,056 1,127
Ste. Genevieve County Rural 21.6 4,011 1,725
Pemiscot County Rural 26.0 3,966 281
Moniteau County Urban 25.0 3,830 468
New Madrid County Rural 23.7 3,806 823
Cooper County Urban 22.5 3,794 1,340
Bates County Urban 23.4 3,766 947
Macon County Rural 23.5 3,565 900
Nodaway County Rural 17.0 3,560 2,908
Cedar County Rural 24.2 3,495 647
Benton County Rural 17.1 3,410 2,892
Dent County Rural 22.6 3,278 1,288
Livingston County Rural 22.0 3,149 1,567
Osage County Urban 23.1 3,093 1,087
Gasconade County Rural 20.3 3,006 2,213
Madison County Rural 23.5 2,975 900
Linn County Rural 23.7 2,810 823
Barton County Rural 23.6 2,758 866
Douglas County Rural 22.8 2,699 1,209
Mississippi County Rural 22.3 2,693 1,429
Montgomery County Rural 22.6 2,578 1,288
Ripley County Rural 23.4 2,520 947
Grundy County Rural 25.6 2,514 338
Bollinger County Urban 21.9 2,321 1,606
Howard County Urban 22.1 2,238 1,518
Wayne County Rural 20.3 2,216 2,213
Ralls County Rural 20.9 2,176 2,008
Lewis County Rural 21.5 2,134 1,784
Caldwell County Urban 23.7 2,106 823
DeKalb County Urban 18.8 2,105 2,608
Daviess County Rural 24.8 2,098 507
Harrison County Rural 25.1 2,056 443
Oregon County Rural 23.1 2,012 1,087
Iron County Rural 21.1 2,002 1,936
St. Clair County Rural 21.0 1,981 1,977
Monroe County Rural 22.0 1,907 1,567
Carroll County Rural 22.1 1,868 1,518
Chariton County Rural 23.2 1,716 1,042
Maries County Rural 20.3 1,715 2,213
Ozark County Rural 18.7 1,644 2,629
Dade County Rural 20.9 1,592 2,008
Shannon County Rural 22.2 1,587 1,469
Clark County Rural 23.7 1,586 823
Gentry County Rural 25.2 1,570 426
Hickory County Rural 17.5 1,488 2,844
Shelby County Rural 23.8 1,429 786
Scotland County Rural 29.8 1,401 81
Sullivan County Rural 22.0 1,300 1,567
Carter County Rural 24.2 1,276 647
Reynolds County Rural 19.1 1,156 2,537
Schuyler County Rural 27.6 1,118 158
Atchison County Rural 20.9 1,089 2,008
Putnam County Rural 22.4 1,045 1,385
Knox County Rural 24.7 929 530
Holt County Rural 20.3 863 2,213
Mercer County Rural 24.1 843 687
Worth County Rural 20.8 406 2,044
Notes:
Created by statecancerprofiles.cancer.gov on 07/13/2025 7:39 am.

Φ Rural-Urban Continuum Codes provided by the USDA.

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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