Summit County, Colorado

Summit County
Summit County court house in Breckenridge
Location within the U.S. state of Colorado
Colorado's location within the U.S.
Coordinates: 39°38′08″N 106°06′08″W / 39.6356°N 106.10235°W / 39.6356; -106.10235
Country United States
State Colorado
FoundedNovember 1, 1861
Named afterContinental Divide
SeatBreckenridge
Largest townBreckenridge
Area
  Total
619 sq mi (1,600 km2)
  Land608 sq mi (1,570 km2)
  Water11 sq mi (30 km2)  1.8%
Population
 (2020)
  Total
31,055
  Estimate 
(2024)
30,882
  Density50/sq mi (19/km2)
Time zoneUTC−7 (Mountain)
  Summer (DST)UTC−6 (MDT)
Congressional district2nd
Websitewww.summitcountyco.gov

Summit County is a county located in the U.S. state of Colorado. As of the 2020 census, the population was 31,055. The county seat and largest town is Breckenridge. Summit County comprises the Breckenridge, CO Micropolitan Statistical Area.