Heeia, HI -- U.S. Census Designated Place in Hawaii Population (2000): 4944 Housing Units (2000): 1604 Land area (2000): 2.043479 sq. miles (5.292587 sq. km) Water area (2000): 0.250886 sq. miles (0.649793 sq. km) Total area (2000): 2.294365 sq. miles (5.942380 sq. km) FIPS code: 13900 Located within: Hawaii (HI), FIPS 15 Location: 21.426200 N, 157.812248 W ZIP Codes (1990): Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Heeia, HI Heeia