There are 16 zip codes in Lawrence County, Pennsylvania. The most populated is 16101, located in New Castle. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
1610130,954New Castle
1611715,805Ellwood City
1610515,565New Castle
161025,166New Castle
161563,366Volant
161572,955Wampum
161162,857Edinburg
161202,315Enon Valley
161431,979Pulaski
161411,741New Galilee
161121,466Bessemer
16160956West Pittsburg
16172845New Wilmington
16140391New Bedford
16132350Hillsville
1615598Villa Maria

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