62635 -- U.S. ZIP code Municipality (1990): EMDEN, Illinois All ZIPs for this municipality (1990): 62635 Population (2000): 651 Housing Units (2000): 278 Land area (2000): 19.681115 sq. miles (50.973851 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 19.681115 sq. miles (50.973851 sq. km) Located within: Illinois (IL) Location: 40.291512 N, 89.474369 W