Muscle Shoals, Alabama, United States [City]; population was 9,611 in 1990; housing units was 3,838 in 1990; location is 34°45'N 87°39'W; land area is 11.75 square miles (7,518 acres); water area is 0.00 square miles (1 acres); FIPS code is 53016 [SourceCBP]