Harlem, MT -- U.S. city in Montana Population (2000): 848 Housing Units (2000): 401 Land area (2000): 0.428999 sq. miles (1.111103 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.428999 sq. miles (1.111103 sq. km) FIPS code: 34375 Located within: Montana (MT), FIPS 30 Location: 48.531752 N, 108.784407 W ZIP Codes (1990): 59526 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Harlem, MT Harlem