# US states by population under 18, 2025

All 51 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/us-states

| Rank | Place | % |
|---:|---|---:|
| 1 | Utah | 26.1 |
| 2 | Texas | 24 |
| 3 | Nebraska | 23.7 |
| 4 | South Dakota | 23.5 |
| 5 | Alaska | 23.3 |
| 6 | Idaho | 23.3 |
| 7 | Oklahoma | 23.2 |
| 8 | Kansas | 22.9 |
| 9 | North Dakota | 22.9 |
| 10 | Louisiana | 22.7 |
| 11 | Indiana | 22.6 |
| 12 | Arkansas | 22.4 |
| 13 | Mississippi | 22.3 |
| 14 | Iowa | 22.2 |
| 15 | Georgia | 22.2 |
| 16 | Kentucky | 22.1 |
| 17 | Minnesota | 22 |
| 18 | Missouri | 21.7 |
| 19 | Wyoming | 21.6 |
| 20 | Tennessee | 21.5 |
| 21 | Alabama | 21.5 |
| 22 | Maryland | 21.3 |
| 23 | Ohio | 21.3 |
| 24 | North Carolina | 21.1 |
| 25 | Arizona | 21 |
| 26 | Virginia | 20.9 |
| 27 | New Jersey | 20.9 |
| 28 | California | 20.8 |
| 29 | New Mexico | 20.7 |
| 30 | Nevada | 20.7 |
| 31 | South Carolina | 20.6 |
| 32 | Illinois | 20.6 |
| 33 | Wisconsin | 20.5 |
| 34 | Washington | 20.4 |
| 35 | Michigan | 20.4 |
| 36 | Colorado | 20.3 |
| 37 | Montana | 20.2 |
| 38 | Delaware | 19.8 |
| 39 | Pennsylvania | 19.7 |
| 40 | Hawaii | 19.7 |
| 41 | New York | 19.5 |
| 42 | West Virginia | 19.5 |
| 43 | Connecticut | 19.5 |
| 44 | Oregon | 19 |
| 45 | Florida | 18.9 |
| 46 | Massachusetts | 18.6 |
| 47 | District of Columbia | 17.9 |
| 48 | Rhode Island | 17.7 |
| 49 | New Hampshire | 17.3 |
| 50 | Maine | 17.3 |
| 51 | Vermont | 17 |