STATE ยท WY
Counties in Wyoming
Wyoming has 23 counties and county equivalents. The most populous is Laramie County with 100,984 people (Census 2023 estimate).
| County | Type | FIPS | Population (2023) |
|---|---|---|---|
| Albany County | county | 56001 | 38,257 |
| Big Horn County | county | 56003 | 12,018 |
| Campbell County | county | 56005 | 47,498 |
| Carbon County | county | 56007 | 14,334 |
| Converse County | county | 56009 | 13,809 |
| Crook County | county | 56011 | 7,592 |
| Fremont County | county | 56013 | 39,815 |
| Goshen County | county | 56015 | 12,642 |
| Hot Springs County | county | 56017 | 4,661 |
| Johnson County | county | 56019 | 8,759 |
| Laramie County | county | 56021 | 100,984 |
| Lincoln County | county | 56023 | 20,880 |
| Natrona County | county | 56025 | 79,941 |
| Niobrara County | county | 56027 | 2,354 |
| Park County | county | 56029 | 30,735 |
| Platte County | county | 56031 | 8,546 |
| Sheridan County | county | 56033 | 32,519 |
| Sublette County | county | 56035 | 8,969 |
| Sweetwater County | county | 56037 | 41,249 |
| Teton County | county | 56039 | 23,232 |
| Uinta County | county | 56041 | 20,745 |
| Washakie County | county | 56043 | 7,710 |
| Weston County | county | 56045 | 6,808 |
Sources: U.S. Census Bureau geographic reference files; Census Bureau Population Estimates, Vintage 2023. Last reviewed 2026-10-27. Looking for yours? Find your county.