Hinsdale County is one the 64 counties of the state of Colorado of the United States. Based on the 2010 census, the population was 843, making it the third-least populous county in Colorado. With a population density of only 0.75 inhabitants per square mile (0.29/km2), it is also the least-densely populated county in Colorado. The county seat and only incorporated municipality in the county is Lake City. Hinsdale County was created on March 9, 1877 from Lake County, Conejos County, and Costilla County. The county is named for George A. Hinsdale, a prominent pioneer and former Lt. Governor of Colorado.
Hinsdale County is named in honor of George Aaron Hinsdale, a lieutenant governor of Territory of Colorado.
County QuickFacts: CensusBureau Quick Facts
Hinsdale County was formed in 1874, from Conejos, Costilla and Lake Counties. Hinsdale County is located in the mid-southwestern part of Colorado.
As reported by the Census Bureau, the county has a total area of 1,123 square miles (2,909 km2),
of which, 1,118 square miles (2,895 km2) of it is land and 5 square miles (14 km2) of it (0.49%) is
water.
Hinsdale county is located in southwest Colorado. The county is one of the most remote counties in Colorado and the United States. It is
approximately 96% public lands, with 49% of that land designated as wilderness. The second largest
natural lake in Colorado, Lake San Cristobal, is located in Hinsdale County. There are five mountain peaks over 14,000 feet in Hinsdale County - Uncomphagre, Wetterhorn,
Sunshine, Handies and Redcloud.
Bordering counties are as follows: