33881 -- U.S. ZIP code Municipality (1990): WINTER HAVEN, Florida All ZIPs for this municipality (1990): 33881 Population (2000): 28225 Housing Units (2000): 15192 Land area (2000): 24.517938 sq. miles (63.501165 sq. km) Water area (2000): 4.934854 sq. miles (12.781212 sq. km) Total area (2000): 29.452792 sq. miles (76.282377 sq. km) Located within: Florida (FL) Location: 28.051985 N, 81.724578 W