Alva, FL -- U.S. Census Designated Place in Florida Population (2000): 2182 Housing Units (2000): 1017 Land area (2000): 17.951932 sq. miles (46.495289 sq. km) Water area (2000): 0.843396 sq. miles (2.184385 sq. km) Total area (2000): 18.795328 sq. miles (48.679674 sq. km) FIPS code: 01125 Located within: Florida (FL), FIPS 12 Location: 26.710390 N, 81.628648 W ZIP Codes (1990): 33920 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Alva, FL Alva