34786 -- U.S. ZIP code Municipality (1990): WINDERMERE, Florida All ZIPs for this municipality (1990): 34786 Population (2000): 8449 Housing Units (2000): 3030 Land area (2000): 18.370699 sq. miles (47.579889 sq. km) Water area (2000): 2.093839 sq. miles (5.423018 sq. km) Total area (2000): 20.464538 sq. miles (53.002907 sq. km) Located within: Florida (FL) Location: 28.495982 N, 81.536207 W