Classification: County
Located in: Montana (MT)
Total Population (2000): 129352
Total Housing Units (2000): 54563
Land Area (square meters): 6825018002
Water Area (square meters): 35996187
Land Area (square miles): 2635.154295
Water Area (square miles): 13.898206
Latitude (decimal degrees): 45.816535
Longitude (decimal degrees): -108.460718
FIPS Code: 30
Place FIPS Code: 111