Demographics Table
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
|
2023 Rural-Urban Continuum Codes Φ
|
Value (Percent)
|
People (Age Under 18)
|
Rank within US (of 3143 counties)
|
|---|---|---|---|---|
| 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 07/17/2025 9:20 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.
Created by statecancerprofiles.cancer.gov on 07/17/2025 9:20 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.