Counties in Wyoming
Wyoming has 23 counties. Find yours from your location, or explore the map and the full list with seats, population, time zones and FIPS codes.
Updated · Data: U.S. Census Bureau
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Wyoming has 23 counties, home to about 579,761 people. Sort the table by any column, or search by name or seat.
Wyoming county map
County explorer: all 23 counties in Wyoming
| County | Seat | Population | Land sq mi | People / sq mi | Median home | Time zone | FIPS |
|---|---|---|---|---|---|---|---|
| Laramie | Cheyenne | 100,661 | 2,685.9 | 37 | $324,900 | Mountain | 56021 |
| Natrona | Casper | 79,735 | 5,340.5 | 15 | $260,400 | Mountain | 56025 |
| Campbell | Gillette | 47,018 | 4,802.1 | 10 | $266,400 | Mountain | 56005 |
| Sweetwater | Green River | 41,786 | 10,427.0 | 4 | $242,900 | Mountain | 56037 |
| Fremont | Lander | 39,472 | 9,183.6 | 4 | $252,700 | Mountain | 56013 |
| Albany | Laramie | 37,713 | 4,274.2 | 9 | $322,100 | Mountain | 56001 |
| Sheridan | Sheridan | 31,585 | 2,523.4 | 13 | $352,200 | Mountain | 56033 |
| Park | Cody | 30,109 | 6,939.0 | 4 | $374,200 | Mountain | 56029 |
| Teton | Jackson | 23,358 | 3,996.8 | 6 | $1,371,900 | Mountain | 56039 |
| Uinta | Evanston | 20,605 | 2,081.7 | 10 | $255,400 | Mountain | 56041 |
| Lincoln | Kemmerer | 20,158 | 4,075.3 | 5 | $334,500 | Mountain | 56023 |
| Carbon | Rawlins | 14,549 | 7,897.7 | 2 | $214,500 | Mountain | 56007 |
| Converse | Douglas | 13,759 | 4,255.0 | 3 | $269,700 | Mountain | 56009 |
| Goshen | Torrington | 12,587 | 2,225.6 | 6 | $234,600 | Mountain | 56015 |
| Big Horn | Basin | 11,737 | 3,137.0 | 4 | $198,200 | Mountain | 56003 |
| Sublette | Pinedale | 8,806 | 4,886.5 | 2 | $350,100 | Mountain | 56035 |
| Platte | Wheatland | 8,606 | 2,081.5 | 4 | $248,900 | Mountain | 56031 |
| Johnson | Buffalo | 8,602 | 4,154.2 | 2 | $296,000 | Mountain | 56019 |
| Washakie | Worland | 7,708 | 2,238.7 | 3 | $188,600 | Mountain | 56043 |
| Crook | Sundance | 7,339 | 2,854.5 | 3 | $276,800 | Mountain | 56011 |
| Weston | Newcastle | 6,835 | 2,398.0 | 3 | $214,000 | Mountain | 56045 |
| Hot Springs | Thermopolis | 4,618 | 2,004.4 | 2 | $214,400 | Mountain | 56017 |
| Niobrara | Lusk | 2,415 | 2,626.0 | 1 | $194,200 | Mountain | 56027 |
Sources: Census TIGER/Line 2024; ACS 2019-2023 5-year; Wikidata, CC0 (seats); timezone-boundary-builder (time zones). Data as of November 1, 2026. Not affiliated with any government agency.
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