Duchesne County, Utah

Duchesne County
Duchesne County Courthouse in Duchesne
Location within the U.S. state of Utah
Utah's location within the U.S.
Coordinates: 40°17′N 110°26′W / 40.28°N 110.44°W / 40.28; -110.44
Country United States
State Utah
FoundedJanuary 4, 1915 (proclaimed in effect)
Named afterDuchesne River
SeatDuchesne
Largest cityRoosevelt
Area
  Total
3,256 sq mi (8,430 km2)
  Land3,241 sq mi (8,390 km2)
  Water15 sq mi (40 km2)  0.50%
Population
 (2020)
  Total
19,596
  Density6.0/sq mi (2.3/km2)
Time zoneUTC−7 (Mountain)
  Summer (DST)UTC−6 (MDT)
Congressional district1st
Websiteduchesne.utah.gov

Duchesne County (/dˈʃn/ doo-SHAYN) is a county in the northeast part of the U.S. state of Utah. As of the 2020 United States census, the population was 19,596. Its county seat is Duchesne, and the largest city is Roosevelt.