There are 6 zip codes in Calhoun County, Illinois. The most populated is 62047, located in Hardin. * 2024 populations estimated based on the latest ACS 5-year data.

CSV JSON
Zip Code
Population
City
620471,760Hardin
62036548Golden Eagle
62013527Brussels
62045520Hamburg
62006485Batchtown
62053332Kampsville

Zip Codes in Calhoun County, Illinois by Population (2024)