Williamsport, PA Insights: Population,
Zip Codes, Influence, and Service Areas

Williamsport is a city in, and the county seat of, Lycoming County, Pennsylvania, United States. As of the 2020 census, it had a population of 27,754. It is the principal city of the Williamsport Metropolitan Statistical Area, which has a population of about 114,000. Williamsport is the larger principal city of the Williamsport-Lock Haven Combined Statistical Area, which includes Lycoming and Clinton counties.

Zip Codes in Williamsport, PA that we also serve: 17701 17703 17705





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