Demopolis, Alabama, United States [City]; population was 7,512 in 1990; housing units was 3,015 in 1990; location is 32°30'N 87°50'W; land area is 12.21 square miles (7,812 acres); water area is 0.25 square miles (157 acres); FIPS code is 20296 [SourceCBP]