Classification: County
Located in: Montana (MT)
Total Population (2000): 12671
Total Housing Units (2000): 4655
Land Area (square meters): 12936490124
Water Area (square meters): 51388018
Land Area (square miles): 4994.806974
Water Area (square miles): 19.841026
Latitude (decimal degrees): 45.510113
Longitude (decimal degrees): -107.483754
FIPS Code: 30
Place FIPS Code: 3