South Fork, CO
South Fork is a Statutory Town in Rio Grande County, Colorado, United States. The population was 604 at the 2000 census.
South Fork is located at 37°40′09″N 106°38′34″W / 37.669065°N 106.642829°W / 37.669065; -106.642829.
According to the United States Census Bureau, the town has a total area of 2.4 square miles (6.1 km²), all of it land.