Kerr, MT -- U.S. Census Designated Place in Montana Population (2000): 17 Housing Units (2000): 9 Land area (2000): 0.243223 sq. miles (0.629944 sq. km) Water area (2000): 0.047208 sq. miles (0.122269 sq. km) Total area (2000): 0.290431 sq. miles (0.752213 sq. km) FIPS code: 40355 Located within: Montana (MT), FIPS 30 Location: 47.677998 N, 114.192717 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Kerr, MT Kerr