There are 16 zip codes in Warren County, Pennsylvania. The most populated is 16365, located in Warren. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
1636517,377Warren
163453,670Russell
163713,129Youngsville
163502,332Sugar Grove
163401,940Pittsfield
163131,805Clarendon
163511,760Tidioute
163471,535Sheffield
16436801Spring Creek
16402703Bear Lake
16405555Columbus
16420447Grand Valley
16329428Irvine
16352226Tiona
16416136Garland
16312Chandlers Valley
showing: 16 rows

Zip Codes in Warren County, Pennsylvania by Population (2024)