Edison, WA -- U.S. Census Designated Place in Washington Population (2000): 133 Housing Units (2000): 55 Land area (2000): 0.584842 sq. miles (1.514735 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.584842 sq. miles (1.514735 sq. km) FIPS code: 20680 Located within: Washington (WA), FIPS 53 Location: 48.562531 N, 122.436514 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Edison, WA Edison