Lake County, Colorado

Lake County
Courthouse in Leadville, Colorado.
Location within the U.S. state of Colorado
Colorado's location within the U.S.
Coordinates: 39°11′N 106°22′W / 39.19°N 106.36°W / 39.19; -106.36
Country United States
State Colorado
FoundedNovember 1, 1861
Named afterTwin Lakes in the area
SeatLeadville
Largest cityLeadville
Area
  Total
384 sq mi (990 km2)
  Land377 sq mi (980 km2)
  Water7.0 sq mi (18 km2)  1.8%
Population
 (2020)
  Total
7,436
  Estimate 
(2024)
7,369
  Density19/sq mi (7.5/km2)
Time zoneUTC−7 (Mountain)
  Summer (DST)UTC−6 (MDT)
Congressional district7th
Websitewww.lakecountyco.com

Lake County is a county located in the U.S. state of Colorado. As of the 2020 census, the population was 7,436. The county seat and the only municipality in the county is Leadville. The highest natural point in Colorado and the entire Rocky Mountains is the summit of Mount Elbert in Lake County at 14,440 feet (4,400 meters) elevation.