Harrington, WA -- U.S. city in Washington Population (2000): 426 Housing Units (2000): 235 Land area (2000): 0.379598 sq. miles (0.983153 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.379598 sq. miles (0.983153 sq. km) FIPS code: 29745 Located within: Washington (WA), FIPS 53 Location: 47.480251 N, 118.255422 W ZIP Codes (1990): 99134 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Harrington, WA Harrington