Big Horn County
county in northern Wyoming, United States
Key facts
- Country
- United States
- State
- Wyoming
- Founded
- March 12, 1890 (authorized), 1897 (organized)
- Named after
- Bighorn Mountains
- Seat
- Basin
- Largest town
- Lovell
- Total
- 3,159 sq mi (8,180 km )
- Land
- 3,137 sq mi (8,120 km )
- Water
- 22 sq mi (57 km ) 0.7%
- Estimate 2025
- 12,024
- Density
- 3.673/sq mi (1.418/km )
- Time zone
- UTC−7 ( Mountain )
- Summer dst
Article
Big Horn County is a county in the U.S. state of Wyoming. As of the 2020 United States census, the population was 11,521. The county seat is Basin. Its north boundary abuts the south boundary of Montana.
History