Millsboro, DE -- U.S. town in Delaware Population (2000): 2360 Housing Units (2000): 1153 Land area (2000): 1.725221 sq. miles (4.468301 sq. km) Water area (2000): 0.211118 sq. miles (0.546793 sq. km) Total area (2000): 1.936339 sq. miles (5.015094 sq. km) FIPS code: 47940 Located within: Delaware (DE), FIPS 10 Location: 38.589170 N, 75.292415 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Millsboro, DE Millsboro