35594 -- U.S. ZIP code Municipality (1990): WINFIELD, Alabama All ZIPs for this municipality (1990): 35594 Population (2000): 7622 Housing Units (2000): 3530 Land area (2000): 138.138340 sq. miles (357.776644 sq. km) Water area (2000): 0.167166 sq. miles (0.432957 sq. km) Total area (2000): 138.305506 sq. miles (358.209601 sq. km) Located within: Alabama (AL) Location: 33.925454 N, 87.789493 W