Interlachen, FL -- U.S. town in Florida Population (2000): 1475 Housing Units (2000): 616 Land area (2000): 5.805376 sq. miles (15.035855 sq. km) Water area (2000): 0.646093 sq. miles (1.673372 sq. km) Total area (2000): 6.451469 sq. miles (16.709227 sq. km) FIPS code: 33900 Located within: Florida (FL), FIPS 12 Location: 29.622709 N, 81.894680 W ZIP Codes (1990): 32148 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Interlachen, FL Interlachen