Blaine -- U.S. County in Montana Population (2000): 7009 Housing Units (2000): 2947 Land area (2000): 4226.179003 sq. miles (10945.752903 sq. km) Water area (2000): 12.737203 sq. miles (32.989204 sq. km) Total area (2000): 4238.916206 sq. miles (10978.742107 sq. km) Located within: Montana (MT), FIPS 30 Location: 48.459793 N, 108.956778 W Headwords: Blaine Blaine, MT Blaine County Blaine County, MT