Hinsdale County, Colorado

Hinsdale County
The 1877 Hinsdale County Court House in Lake City, Colorado.
Location within the U.S. state of Colorado
Colorado's location within the U.S.
Coordinates: 37°49′N 107°17′W / 37.82°N 107.28°W / 37.82; -107.28
Country United States
State Colorado
FoundedFebruary 10, 1874
Named afterGeorge A. Hinsdale
SeatLake City
Largest townLake City
Area
  Total
1,123 sq mi (2,910 km2)
  Land1,117 sq mi (2,890 km2)
  Water5.9 sq mi (15 km2)  0.5%
Population
 (2020)
  Total
788
  Estimate 
(2024)
747
  Density0.70/sq mi (0.27/km2)
Time zoneUTC−7 (Mountain)
  Summer (DST)UTC−6 (MDT)
Congressional district3rd
Websitehinsdalecounty.colorado.gov

Hinsdale County is a county located in the U.S. state of Colorado. As of the 2020 census, the population was 788, making it the second least-populous county in Colorado. With a population density of only 0.71 inhabitants per square mile (0.27/km2), it is also the least-densely populated county in Colorado. The county seat and only incorporated municipality in the county is Lake City. The county is named for George A. Hinsdale, a prominent pioneer and former Lieut. Governor of Colorado Territory.