St. Clairsville, Ohio, United States [City]; population was 5,162 in 1990; housing units was 2,265 in 1990; location is 40°5'N 80°54'W; land area is 2.03 square miles (1,300 acres); FIPS code is 69526 [SourceCBP]
St. Clairsville, Pennsylvania, United States [Borough]; population was 88 in 1990; housing units was 41 in 1990; location is 40°9'N 78°31'W; land area is 0.03 square miles (21 acres); FIPS code is 67256 [SourceCBP]
