# Counties in Wyoming by population, 2025

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

- Indicator id: `population`
- Unit: persons
- Definition: Resident population. Spain and the EU: 1 January, with Spanish figures from the official municipal register (Padrón). United States: Census Bureau population estimates for 1 July. Other countries and the World: World Bank mid-year estimates, which count all residents regardless of legal status or citizenship.
- Source: U.S. Census Bureau, Annual estimates of the resident population for the United States, states and counties, 1 July (Population Estimates Program) (https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/)
- Retrieved: 2026-10-08
- Citation: U.S. Census Bureau. Annual estimates of the resident population for the United States, states and counties, 1 July (Population Estimates Program). https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Retrieved 2026-10-08.
- Web page: https://invokely.ai/rankings/population/wyoming-counties
- CSV: https://invokely.ai/download/rankings/population/wyoming-counties.csv

| Rank | Place | persons |
|---:|---|---:|
| 1 | Laramie County | 102,938 |
| 2 | Natrona County | 80,526 |
| 3 | Campbell County | 48,145 |
| 4 | Sweetwater County | 41,267 |
| 5 | Fremont County | 39,464 |
| 6 | Albany County | 38,558 |
| 7 | Sheridan County | 33,241 |
| 8 | Park County | 31,171 |
| 9 | Teton County | 23,333 |
| 10 | Lincoln County | 21,180 |
| 11 | Uinta County | 20,728 |
| 12 | Carbon County | 14,013 |
| 13 | Converse County | 13,824 |
| 14 | Goshen County | 12,640 |
| 15 | Big Horn County | 12,024 |
| 16 | Sublette County | 8,929 |
| 17 | Johnson County | 8,908 |
| 18 | Platte County | 8,634 |
| 19 | Crook County | 7,852 |
| 20 | Washakie County | 7,597 |
| 21 | Weston County | 6,840 |
| 22 | Hot Springs County | 4,600 |
| 23 | Niobrara County | 2,341 |