Crook County
Also known as Crook County, Wyoming, Crook County, WY
county in the northeastern corner of Wyoming, United States
Key facts
- Country
- United States
- State
- Wyoming
- Founded
- December 8, 1875 (authorized), 1888 (organized)
- Named after
- George Crook
- Seat
- Sundance
- Largest town
- Sundance
- Total
- 2,865 sq mi (7,420 km )
- Land
- 2,854 sq mi (7,390 km )
- Water
- 11 sq mi (28 km ) 0.4%
- Estimate 2025
- 7,852
- Density
- 2.516/sq mi (0.9715/km )
- Time zone
- UTC−7 ( Mountain )
- Summer dst
Article
Buffalo on the range in Crook CountyCrook County is a county in the northeastern corner of the U.S. state of Wyoming. As of the 2020 United States census, the population was 7,181, making it the third-least populous county in Wyoming. Its county seat and largest city is Sundance. The county is located at the northwestern extreme of the Black Hills, which are its defining geographical feature.
History