32531 -- U.S. ZIP code Municipality (1990): BAKER, Florida All ZIPs for this municipality (1990): 32531 Population (2000): 4278 Housing Units (2000): 1779 Land area (2000): 229.190670 sq. miles (593.601084 sq. km) Water area (2000): 1.241999 sq. miles (3.216763 sq. km) Total area (2000): 230.432669 sq. miles (596.817847 sq. km) Located within: Florida (FL) Location: 30.875200 N, 86.686073 W