Harlowton, MT -- U.S. city in Montana Population (2000): 1062 Housing Units (2000): 599 Land area (2000): 0.576257 sq. miles (1.492498 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.576257 sq. miles (1.492498 sq. km) FIPS code: 34450 Located within: Montana (MT), FIPS 30 Location: 46.436455 N, 109.833553 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Harlowton, MT Harlowton