Rockwood, MI -- U.S. city in Michigan Population (2000): 3442 Housing Units (2000): 1353 Land area (2000): 2.704118 sq. miles (7.003634 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 2.704118 sq. miles (7.003634 sq. km) FIPS code: 69180 Located within: Michigan (MI), FIPS 26 Location: 42.072123 N, 83.244384 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Rockwood, MI Rockwood