Three Forks, MT -- U.S. city in Montana Population (2000): 1728 Housing Units (2000): 726 Land area (2000): 1.269904 sq. miles (3.289036 sq. km) Water area (2000): 0.039215 sq. miles (0.101566 sq. km) Total area (2000): 1.309119 sq. miles (3.390602 sq. km) FIPS code: 73975 Located within: Montana (MT), FIPS 30 Location: 45.891334 N, 111.551532 W ZIP Codes (1990): 59752 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Three Forks, MT Three Forks