County · GEOID 42081
Lycoming County, PA ZIP codes
30 ZIP/ZCTAs intersecting this county.
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: County Lycoming County (GEOID 42081). Methodology
Combined population of ZIP/ZCTAs intersecting this county: 155,294 (30 ZIPs).
Combined population of ZIP/ZCTAs intersecting this county. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census county ACS headline above. Methodology
Lycoming County, PA ZIP code map

ZIP/ZCTA overlap with Lycoming County
Population overlap
Share of each ZIP/ZCTA’s population located within Lycoming County, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- 1693017.5%
- 1693819.7%
- 1770199.9%
Directory county
- 17702100.0%
Directory county
- 17720100.0%
Directory county
- 17723100.0%
Directory county
- 177240.2%
- 1772789.2%
Directory county
- 17728100.0%
Directory county
- 1773799.9%
Directory county
- 17739100.0%
Directory county
- 1774080.6%
Directory county
- 17742100.0%
Directory county
- 17744100.0%
Directory county
- 177450.7%
- 17752100.0%
Directory county
- 17754100.0%
Directory county
- 1775691.4%
Directory county
- 1775816.1%
- 17762100.0%
Directory county
- 17763100.0%
Directory county
- 1776521.3%
- 17769100.0%
Directory county
- 17771100.0%
Directory county
- 1777498.8%
Directory county
- 17776100.0%
Directory county
- 1781023.8%
- 178142.8%
- 178461.7%
- 186195.6%
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
ZIP codes intersecting Lycoming County
USPS associates these ZIPs with Lycoming County
These codes list Lycoming County as a primary or acceptable city. They are not used for the ACS headline.
| ZIP | City | County | Population | Income |
|---|---|---|---|---|
| 17703 | Williamsport | Lycoming County | 290 | — |
| 17705 | Williamsport | Lycoming County | — | — |