Duncannon, PA ZIP code
The ZIP code for Duncannon, Pennsylvania is 17020. It is in Perry County.
- Population in these ZIPs
- 8,826
- Avg. median income
- $73,400population-weighted
- Typical home value
- $288,600population-weighted
- Metro area
- Harrisburg-Carlisle, PA
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Duncannon, PA ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 17020 | 8,826 | $73,396 | $288,600 |
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 Duncannon
- New Buffalo 4 mi
- Marysville 6 mi
- Newport 7 mi
- New Bloomfield 7 mi
- Enola 9 mi
- Summerdale 9 mi
- Shermans Dale 10 mi
- Dauphin 11 mi
- Millerstown 12 mi
- Millersburg 13 mi
- Liverpool 13 mi
- Halifax 13 mi
Frequently asked questions
What is the ZIP code for Duncannon, PA?
The ZIP code for Duncannon, PA is 17020.
What county is Duncannon, Pennsylvania in?
Duncannon ZIP codes are in Perry County.