Lincoln -- U.S. County in Montana Population (2000): 18837 Housing Units (2000): 9319 Land area (2000): 3612.668778 sq. miles (9356.768784 sq. km) Water area (2000): 62.440069 sq. miles (161.719030 sq. km) Total area (2000): 3675.108847 sq. miles (9518.487814 sq. km) Located within: Montana (MT), FIPS 30 Location: 48.558617 N, 115.359348 W Headwords: Lincoln Lincoln, MT Lincoln County Lincoln County, MT