Herron, MT -- U.S. Census Designated Place in Montana Population (2000): 100 Housing Units (2000): 48 Land area (2000): 4.662385 sq. miles (12.075522 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 4.662385 sq. miles (12.075522 sq. km) FIPS code: 35912 Located within: Montana (MT), FIPS 30 Location: 48.514344 N, 109.788942 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Herron, MT Herron