Thompson Springs, also officially known for a time as just Thompson, is a small census-designated place in central Grand County, Utah, United States. The population was 39 at the 2010 census. The town is just north of the east–west highway route shared by Interstate 70, U.S. Route 6 and U.S. Route 50, between Crescent Junction and Cisco. Moab, the cou…Thompson Springs, also officially known for a time as just Thompson, is a small census-designated place in central Grand County, Utah, United States. The population was 39 at the 2010 census. The town is just north of the east–west highway route shared by Interstate 70, U.S. Route 6 and U.S. Route 50, between Crescent Junction and Cisco. Moab, the county seat, is 37 miles to the south. Thompson Springs is located in high desert country with the Book Cliffs just to the north.