San Juan County Colorado has a total area of 388.29 square miles. It has the highest mean elevation of any county in the United States, at 11,240 feet. Silverton, the county seat and only city in the County, sits at 9,318 feet.
San Juan County Population: 699 Town of Silverton Population: 637
Public Alert Text Message System
text your ZIP CODE to 888777 for mobile alerts
Recent Property Sales (updated December 3, 2017)
San Juan County Courthouse
1557 Greene St
Silverton, CO 81433