Wyoming County Map
About the map
This Wyoming county map displays its 23 counties. Wyoming’s count of 23 counties gives it the 12th least in the United States. Only New Jersey, Nevada, Maine, Arizona, Massachusetts, Vermont, New Hampshire, Connecticut, Hawaii, Rhode Island, and Delaware have fewer counties.
Laramie, Natrona, and Sweetwater County are the most populated counties in Wyoming. Laramie County is the most populated county in the southeast part of Wyoming with close to 100,000 residents. Mostly, it’s because it’s home to the state capital of Wyoming, Cheyenne. Conversely, the least populated county is Niobrara County with less than 2500 people.
But for size, Sweetwater, Fremont, and Carbon County occupy the largest areas. Sweetwater County is the largest county, occupying an area of over 10,000 square miles. On the other hand, Hot Springs County is the smallest, occupying an area of just over 2000 square miles.
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Wyoming County List
| FIPS Code | Name | Land (sq mi) | Water (sq mi) | Population (2024) |
|---|---|---|---|---|
| 56-001 | Albany County | 4274.3 | 34.4 | 39,288 |
| 56-003 | Big Horn County | 3136.9 | 21.3 | 12,084 |
| 56-005 | Campbell County | 4802.0 | 4.3 | 47,946 |
| 56-007 | Carbon County | 7897.8 | 66.2 | 14,250 |
| 56-009 | Converse County | 4254.9 | 10.1 | 13,766 |
| 56-011 | Crook County | 2854.5 | 10.9 | 7,775 |
| 56-013 | Fremont County | 9183.5 | 82.2 | 39,721 |
| 56-015 | Goshen County | 2225.6 | 6.6 | 12,635 |
| 56-017 | Hot Springs County | 2004.4 | 2.0 | 4,625 |
| 56-019 | Johnson County | 4154.1 | 20.4 | 8,803 |
| 56-021 | Laramie County | 2685.9 | 1.7 | 101,783 |
| 56-023 | Lincoln County | 4075.3 | 19.3 | 21,000 |
| 56-025 | Natrona County | 5340.5 | 35.1 | 80,410 |
| 56-027 | Niobrara County | 2626.0 | 1.9 | 2,301 |
| 56-029 | Park County | 6939.0 | 26.1 | 31,082 |
| 56-031 | Platte County | 2081.4 | 29.4 | 8,512 |
| 56-033 | Sheridan County | 2523.3 | 3.1 | 32,978 |
| 56-035 | Sublette County | 4886.5 | 49.2 | 8,965 |
| 56-037 | Sweetwater County | 10426.9 | 64.2 | 41,273 |
| 56-039 | Teton County | 3996.8 | 220.4 | 23,272 |
| 56-041 | Uinta County | 2081.7 | 6.4 | 20,621 |
| 56-043 | Washakie County | 2238.7 | 4.0 | 7,662 |
| 56-045 | Weston County | 2398.0 | 2.0 | 6,866 |