There are 7 zip codes in Johnson County, Illinois. The most populated is 62995, located in Vienna. * 2024 populations estimated based on the latest ACS 5-year data.

CSV JSON
Zip Code
Population
City
629956,408Vienna
629392,693Goreville
629121,668Buncombe
629721,128Ozark
62923404Cypress
62967344New Burnside
62943312Grantsburg

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