Gibraltar, MI -- U.S. city in Michigan Population (2000): 4264 Housing Units (2000): 1791 Land area (2000): 3.844530 sq. miles (9.957287 sq. km) Water area (2000): 0.498067 sq. miles (1.289987 sq. km) Total area (2000): 4.342597 sq. miles (11.247274 sq. km) FIPS code: 32020 Located within: Michigan (MI), FIPS 26 Location: 42.091342 N, 83.197305 W ZIP Codes (1990): 48173 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Gibraltar, MI Gibraltar