Washoe -- U.S. County in Nevada Population (2000): 339486 Housing Units (2000): 143908 Land area (2000): 6342.271809 sq. miles (16426.407878 sq. km) Water area (2000): 209.047353 sq. miles (541.430135 sq. km) Total area (2000): 6551.319162 sq. miles (16967.838013 sq. km) Located within: Nevada (NV), FIPS 32 Location: 39.704166 N, 119.763634 W Headwords: Washoe Washoe, NV Washoe County Washoe County, NV