Williamstown, PA ZIP code
The ZIP code for Williamstown, Pennsylvania is 17098. It is in Dauphin County.
- Population in these ZIPs
- 2,618
- Avg. median income
- $63,000population-weighted
- Typical home value
- $136,400population-weighted
- Metro area
- Harrisburg-Carlisle, PA
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Williamstown, PA ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 17098 | 2,618 | $63,041 | $136,400 |
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 Williamstown
- Spring Glen 2 mi
- Wiconisco 3 mi
- Lykens 3 mi
- Sacramento 4 mi
- Tower City 5 mi
- Valley View 6 mi
- Muir 6 mi
- Gratz 6 mi
- Klingerstown 7 mi
- Hegins 8 mi
- Leck Kill 9 mi
- Rebuck 9 mi
Frequently asked questions
What is the ZIP code for Williamstown, PA?
The ZIP code for Williamstown, PA is 17098.
What county is Williamstown, Pennsylvania in?
Williamstown ZIP codes are in Dauphin County.