62948 -- U.S. ZIP code Municipality (1990): HERRIN, Illinois All ZIPs for this municipality (1990): 62948 Population (2000): 11834 Housing Units (2000): 5464 Land area (2000): 21.209205 sq. miles (54.931587 sq. km) Water area (2000): 0.318112 sq. miles (0.823907 sq. km) Total area (2000): 21.527317 sq. miles (55.755494 sq. km) Located within: Illinois (IL) Location: 37.804014 N, 89.027026 W