Crook County, Wyoming

county in the northeastern corner of Wyoming, United States

Crook County is a county in the northeastern part of the U.S. state of Wyoming. As of the 2010 census, 7,083 people lived there[1] which makes it the third-least populous county in Wyoming. Its county seat is Sundance.[2] It was formed on December 8, 1875.[3]

Crook County
Sundance State Bank Building
Flag of Crook County
Map of Wyoming highlighting Crook County
Location within the U.S. state of Wyoming
Map of the United States highlighting Wyoming
Wyoming's location within the U.S.
Coordinates: 44°35′N 104°34′W / 44.59°N 104.56°W / 44.59; -104.56
Country United States
State Wyoming
FoundedDecember 8, 1875 (authorized)
1888 (organized)
Named forGeorge Crook
Largest townSundance
 • Total2,865 sq mi (7,420 km2)
 • Land2,854 sq mi (7,390 km2)
 • Water11 sq mi (30 km2)  0.4%%
 • Estimate 
 • Density2.5/sq mi (1.0/km2)
Time zoneUTC−7 (Mountain)
 • Summer (DST)UTC−6 (MDT)
Congressional districtAt-large
Buffalo on the range in Crook County



Census-designated placeEdit

Unincorporated communitiesEdit

  • Aladdin
  • Alva
  • Colony
  • Devils Tower
  • Farrall
  • Moskee
  • New Haven
  • Oshoto
  • Sand Creek Crossing
  • Stroner


  1. "State & County QuickFacts". US Census Bureau. Retrieved January 25, 2014.
  2. "Find a County". National Association of Counties. Archived from the original on May 31, 2011. Retrieved June 7, 2011.
  3. Long, John H., ed. (2004). "Wyoming: Individual County Chronologies". Wyoming Atlas of Historical County Boundaries. The Newberry Library. Retrieved August 19, 2015.

Other websitesEdit