Harrington, DE -- U.S. city in Delaware Population (2000): 3174 Housing Units (2000): 1328 Land area (2000): 1.999875 sq. miles (5.179651 sq. km) Water area (2000): 0.027594 sq. miles (0.071468 sq. km) Total area (2000): 2.027469 sq. miles (5.251119 sq. km) FIPS code: 33120 Located within: Delaware (DE), FIPS 10 Location: 38.924446 N, 75.574720 W ZIP Codes (1990): 19952 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Harrington, DE Harrington