Classification: County
Located in: Wyoming (WY)
Total Population (2000): 18251
Total Housing Units (2000): 10267
Land Area (square meters): 10380047047
Water Area (square meters): 554365295
Land Area (square miles): 4007.758741
Water Area (square miles): 214.041646
Latitude (decimal degrees): 43.612124
Longitude (decimal degrees): -110.673534
FIPS Code: 56
Place FIPS Code: 39