Seneca, PA ZIP code
The ZIP code for Seneca, Pennsylvania is 16346. It is in Venango County.
- Population in these ZIPs
- 3,201
- Avg. median income
- $59,700population-weighted
- Typical home value
- $173,000population-weighted
- Metro area
- Oil City, PA
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Seneca, PA ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 16346 | 3,201 | $59,718 | $173,000 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near Seneca
Frequently asked questions
What is the ZIP code for Seneca, PA?
The ZIP code for Seneca, PA is 16346.
What county is Seneca, Pennsylvania in?
Seneca ZIP codes are in Venango County.