There are 7 zip codes in Clark County, Illinois. The most populated is 62441, located in Marshall. * 2024 populations estimated based on the latest ACS 5-year data.

CSV JSON
Zip Code
Population
City
624416,927Marshall
624204,082Casey
624422,540Martinsville
62423843Dennison
62477778West Union
62474624Westfield
62478351West York

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