# Counties in Florida by population under 18, 2025

All 67 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/florida-counties

| Rank | Place | % |
|---:|---|---:|
| 1 | Hendry County | 24.9 |
| 2 | Hardee County | 24.7 |
| 3 | Baker County | 24.3 |
| 4 | Osceola County | 22.7 |
| 5 | Okeechobee County | 22.5 |
| 6 | Clay County | 22.5 |
| 7 | Okaloosa County | 22.2 |
| 8 | Polk County | 21.7 |
| 9 | St. Johns County | 21.6 |
| 10 | Taylor County | 21.5 |
| 11 | Santa Rosa County | 21.4 |
| 12 | Gilchrist County | 21.3 |
| 13 | Duval County | 21.2 |
| 14 | Columbia County | 21.2 |
| 15 | Walton County | 21.1 |
| 16 | Gadsden County | 21 |
| 17 | Hillsborough County | 20.9 |
| 18 | Bay County | 20.7 |
| 19 | Bradford County | 20.7 |
| 20 | Orange County | 20.7 |
| 21 | Putnam County | 20.4 |
| 22 | Wakulla County | 20.3 |
| 23 | Suwannee County | 20.1 |
| 24 | Holmes County | 20 |
| 25 | Seminole County | 19.9 |
| 26 | Pasco County | 19.9 |
| 27 | Escambia County | 19.8 |
| 28 | Broward County | 19.8 |
| 29 | St. Lucie County | 19.5 |
| 30 | Washington County | 19.5 |
| 31 | Calhoun County | 19.5 |
| 32 | Hamilton County | 19.3 |
| 33 | DeSoto County | 19.3 |
| 34 | Levy County | 19.2 |
| 35 | Miami-Dade County | 19.2 |
| 36 | Union County | 19.1 |
| 37 | Jackson County | 19 |
| 38 | Madison County | 18.8 |
| 39 | Nassau County | 18.8 |
| 40 | Palm Beach County | 18.5 |
| 41 | Liberty County | 18.4 |
| 42 | Hernando County | 18.3 |
| 43 | Leon County | 18.1 |
| 44 | Marion County | 18 |
| 45 | Lake County | 18 |
| 46 | Brevard County | 17.5 |
| 47 | Alachua County | 17.5 |
| 48 | Dixie County | 17.4 |
| 49 | Lee County | 17.3 |
| 50 | Lafayette County | 17.1 |
| 51 | Manatee County | 17.1 |
| 52 | Volusia County | 16.9 |
| 53 | Highlands County | 16.7 |
| 54 | Jefferson County | 16.2 |
| 55 | Collier County | 16.1 |
| 56 | Martin County | 15.9 |
| 57 | Flagler County | 15.2 |
| 58 | Gulf County | 15.1 |
| 59 | Indian River County | 15 |
| 60 | Monroe County | 14.5 |
| 61 | Pinellas County | 14.3 |
| 62 | Citrus County | 14.2 |
| 63 | Franklin County | 13.9 |
| 64 | Sarasota County | 13.8 |
| 65 | Glades County | 13.5 |
| 66 | Charlotte County | 12 |
| 67 | Sumter County | 7.6 |