Williston, FL -- U.S. city in Florida Population (2000): 2297 Housing Units (2000): 915 Land area (2000): 6.060704 sq. miles (15.697150 sq. km) Water area (2000): 0.018618 sq. miles (0.048221 sq. km) Total area (2000): 6.079322 sq. miles (15.745371 sq. km) FIPS code: 77825 Located within: Florida (FL), FIPS 12 Location: 29.386811 N, 82.446706 W ZIP Codes (1990): 32696 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Williston, FL Williston