62275 -- U.S. ZIP code Municipality (1990): POCAHONTAS, Illinois All ZIPs for this municipality (1990): 62275 Population (2000): 3681 Housing Units (2000): 1499 Land area (2000): 98.115326 sq. miles (254.117517 sq. km) Water area (2000): 0.131182 sq. miles (0.339759 sq. km) Total area (2000): 98.246508 sq. miles (254.457276 sq. km) Located within: Illinois (IL) Location: 38.812744 N, 89.548887 W