# Counties in Oklahoma by population under 18, 2025

All 77 values come from U.S. Census Bureau for 2025, so the places are comparable.

- Indicator id: `population_0_17_share`
- Unit: %
- Definition: Residents aged 0 to 17 as a percentage of total population on 1 July. United States: Census Bureau county population estimates by age; states and the nation are sums of their counties.
- Source: U.S. Census Bureau, Population Estimates Program, county population by age and sex: residents aged 0 to 17 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties (https://www.census.gov/programs-surveys/popest/data/data-sets.html)
- Retrieved: 2026-10-12
- Citation: U.S. Census Bureau. Population Estimates Program, county population by age and sex: residents aged 0 to 17 as a percentage of the total on 1 July, 2010 to 2019 from the 2010 to 2020 intercensal file and 2020 onwards from the latest vintage; states and the nation summed from counties. https://www.census.gov/programs-surveys/popest/data/data-sets.html. Retrieved 2026-10-12.
- Web page: https://invokely.ai/rankings/population-under-18/oklahoma-counties

| Rank | Place | % |
|---:|---|---:|
| 1 | Texas County | 28 |
| 2 | Adair County | 27.4 |
| 3 | McCurtain County | 26.2 |
| 4 | Kingfisher County | 25.9 |
| 5 | Blaine County | 25.5 |
| 6 | Dewey County | 25.2 |
| 7 | Harmon County | 25.2 |
| 8 | Canadian County | 25 |
| 9 | Seminole County | 24.8 |
| 10 | Sequoyah County | 24.7 |
| 11 | Garfield County | 24.7 |
| 12 | McClain County | 24.6 |
| 13 | Ottawa County | 24.6 |
| 14 | Custer County | 24.5 |
| 15 | Garvin County | 24.4 |
| 16 | Coal County | 24.4 |
| 17 | Beaver County | 24.3 |
| 18 | Cimarron County | 24.2 |
| 19 | Jackson County | 24.2 |
| 20 | Le Flore County | 24.1 |
| 21 | Oklahoma County | 24.1 |
| 22 | Major County | 24.1 |
| 23 | Pontotoc County | 24.1 |
| 24 | Washita County | 23.9 |
| 25 | Bryan County | 23.9 |
| 26 | Carter County | 23.9 |
| 27 | Kiowa County | 23.9 |
| 28 | Tulsa County | 23.8 |
| 29 | Choctaw County | 23.7 |
| 30 | Kay County | 23.7 |
| 31 | Haskell County | 23.6 |
| 32 | Lincoln County | 23.6 |
| 33 | Latimer County | 23.5 |
| 34 | Nowata County | 23.5 |
| 35 | Jefferson County | 23.5 |
| 36 | Pawnee County | 23.4 |
| 37 | Washington County | 23.4 |
| 38 | Wagoner County | 23.4 |
| 39 | Grant County | 23.3 |
| 40 | Roger Mills County | 23.3 |
| 41 | Muskogee County | 23.2 |
| 42 | Okmulgee County | 23.2 |
| 43 | Comanche County | 23.1 |
| 44 | Mayes County | 23.1 |
| 45 | Logan County | 23 |
| 46 | Woodward County | 23 |
| 47 | Marshall County | 22.9 |
| 48 | Rogers County | 22.9 |
| 49 | Love County | 22.9 |
| 50 | Beckham County | 22.8 |
| 51 | Grady County | 22.7 |
| 52 | Pottawatomie County | 22.7 |
| 53 | Creek County | 22.7 |
| 54 | Stephens County | 22.7 |
| 55 | Okfuskee County | 22.7 |
| 56 | Cotton County | 22.6 |
| 57 | Johnston County | 22.6 |
| 58 | Harper County | 22.5 |
| 59 | Caddo County | 22.5 |
| 60 | Ellis County | 22.3 |
| 61 | Cherokee County | 22.3 |
| 62 | Craig County | 22.1 |
| 63 | Pushmataha County | 21.7 |
| 64 | Murray County | 21.7 |
| 65 | Pittsburg County | 21.6 |
| 66 | Noble County | 21.6 |
| 67 | Tillman County | 21.4 |
| 68 | Atoka County | 20.9 |
| 69 | Hughes County | 20.7 |
| 70 | McIntosh County | 20.3 |
| 71 | Osage County | 20.3 |
| 72 | Delaware County | 19.8 |
| 73 | Cleveland County | 19.8 |
| 74 | Woods County | 19.8 |
| 75 | Greer County | 19.4 |
| 76 | Alfalfa County | 19 |
| 77 | Payne County | 17.6 |