62821 -- U.S. ZIP code Municipality (1990): CARMI, Illinois All ZIPs for this municipality (1990): 62821 Population (2000): 8049 Housing Units (2000): 3862 Land area (2000): 179.240418 sq. miles (464.230531 sq. km) Water area (2000): 0.776316 sq. miles (2.010648 sq. km) Total area (2000): 180.016734 sq. miles (466.241179 sq. km) Located within: Illinois (IL) Location: 38.087838 N, 88.155830 W