Hinsdale County, Colorado

Hinsdale County, Colorado
The 1877 Hinsdale County Court House in Lake City, Colorado. (photo taken 2018)
Location within the U.S. state of Colorado
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
 • Density0.705/sq mi (0.272/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.