Duvall, WA -- U.S. city in Washington Population (2000): 4616 Housing Units (2000): 1646 Land area (2000): 2.284567 sq. miles (5.917000 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 2.284567 sq. miles (5.917000 sq. km) FIPS code: 19035 Located within: Washington (WA), FIPS 53 Location: 47.734149 N, 121.975493 W ZIP Codes (1990): 98019 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Duvall, WA Duvall