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 | |
| Country | United States | 
| State | Colorado | 
| Founded | November 1, 1861 | 
| Named after | Continental Divide | 
| Seat | Breckenridge | 
| Largest town | Breckenridge | 
| Area | |
|  • Total | 619 sq mi (1,600 km2) | 
| • Land | 608 sq mi (1,570 km2) | 
| • Water | 11 sq mi (30 km2) 1.8% | 
| Population  (2020) | |
|  • Total | 31,055 | 
|  • Estimate  (2024) | 30,882 | 
| • Density | 50/sq mi (19/km2) | 
| Time zone | UTC−7 (Mountain) | 
| • Summer (DST) | UTC−6 (MDT) | 
| Congressional district | 2nd | 
| Website | www | 
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.