Hill -- U.S. County in Montana Population (2000): 16673 Housing Units (2000): 7453 Land area (2000): 2896.361217 sq. miles (7501.540796 sq. km) Water area (2000): 19.686170 sq. miles (50.986945 sq. km) Total area (2000): 2916.047387 sq. miles (7552.527741 sq. km) Located within: Montana (MT), FIPS 30 Location: 48.559559 N, 110.030529 W Headwords: Hill Hill, MT Hill County Hill County, MT