There are 12 zip codes in Knox County, Indiana. The most populated is 47591, located in Vincennes. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
4759125,378Vincennes
475124,114Bicknell
475611,372Oaktown
475571,308Monroe City
47516986Bruceville
47597844Wheatland
47535734Freelandville
47578490Sandborn
47528463Edwardsport
47524442Decker
47596118Westphalia
4757319Ragsdale

Zip Codes in Knox County, Indiana by Population (2024)