# Counties in Wyoming by population aged 18 to 64, 2025

All 23 values come from U.S. Census Bureau for 2025, so the places are comparable.

- Indicator id: `population_18_64_share`
- Unit: %
- Definition: Residents aged 18 to 64 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 18 to 64 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 18 to 64 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-18-64/wyoming-counties

| Rank | Place | % |
|---:|---|---:|
| 1 | Albany County | 69.8 |
| 2 | Teton County | 63.8 |
| 3 | Sweetwater County | 59.3 |
| 4 | Laramie County | 59.2 |
| 5 | Campbell County | 59 |
| 6 | Natrona County | 58.5 |
| 7 | Carbon County | 56.8 |
| 8 | Sublette County | 56.4 |
| 9 | Uinta County | 55.8 |
| 10 | Fremont County | 55.1 |
| 11 | Lincoln County | 54.6 |
| 12 | Weston County | 54.5 |
| 13 | Converse County | 54.5 |
| 14 | Sheridan County | 54.4 |
| 15 | Goshen County | 53.1 |
| 16 | Park County | 53.1 |
| 17 | Big Horn County | 52.8 |
| 18 | Washakie County | 52.5 |
| 19 | Niobrara County | 51.8 |
| 20 | Platte County | 51.5 |
| 21 | Johnson County | 50.9 |
| 22 | Hot Springs County | 49 |
| 23 | Crook County | 48.7 |