Oldsmar, Florida, United States [City]; population was 8,361 in 1990; housing units was 3,507 in 1990; location is 28°3'N 82°40'W; land area is 8.41 square miles (5,384 acres); water area is 0.72 square miles (458 acres); FIPS code is 51350 [SourceCBP]