Spring Hill is a census-designated place in Cambria County, Pennsylvania, United States. The population was 839 at the 2010 census, down from 970 at the 2000 census. Spring Hill is located in southeastern Cambria County at 40°22′28″N 78°40′03″W / 40.374494°N 78.667533°W, in the southwestern part of Portage Township. It is directly south of the bor…Spring Hill is a census-designated place in Cambria County, Pennsylvania, United States. The population was 839 at the 2010 census, down from 970 at the 2000 census. Spring Hill is located in southeastern Cambria County at 40°22′28″N 78°40′03″W / 40.374494°N 78.667533°W, in the southwestern part of Portage Township. It is directly south of the borough of Portage.