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
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San Juan County Courthouse
1557 Greene St
Silverton, CO 81433