32819 -- U.S. ZIP code Municipality (1990): SAND LAKE, Florida All ZIPs for this municipality (1990): 32819 Population (2000): 23913 Housing Units (2000): 9207 Land area (2000): 20.159365 sq. miles (52.212514 sq. km) Water area (2000): 0.585963 sq. miles (1.517636 sq. km) Total area (2000): 20.745328 sq. miles (53.730150 sq. km) Located within: Florida (FL) Location: 28.463509 N, 81.475144 W