Tillmans Corner, Alabama, United States [CDP]; population was 17,988 in 1990; housing units was 6,898 in 1990; location is 30°35'N 88°11'W; land area is 21.20 square miles (13,565 acres); water area is 0.21 square miles (136 acres); FIPS code is 76320 [SourceCBP]