32820 -- U.S. ZIP code Municipality (1990): UNION PARK, Florida All ZIPs for this municipality (1990): 32817 32820 32833 Population (2000): 3007 Housing Units (2000): 1143 Land area (2000): 15.981335 sq. miles (41.391467 sq. km) Water area (2000): 1.572467 sq. miles (4.072671 sq. km) Total area (2000): 17.553802 sq. miles (45.464138 sq. km) Located within: Florida (FL) Location: 28.561242 N, 81.107356 W