Randolph County, Illinois Zip Codes by Population (2024)

The most populated Zip Code in Randolph County, Illinois is 62233, located in Chester. * 2024 populations estimated based on the latest ACS 5-year data.

Zip Code
City
Population
62233Chester8,217
62286Sparta5,372
62288Steeleville2,701
62272Percy1,898
62242Evansville1,534
62277Prairie Du Rocher1,007
62241Ellis Grove900
62292Tilden824
62217Baldwin718
62297Walsh338
62261Modoc12