Locust Gap, PA ZIP code
The ZIP code for Locust Gap, Pennsylvania is 17840. It is in Northumberland County.
- Population in these ZIPs
- 188
- Avg. median income
- —population-weighted
- Typical home value
- —population-weighted
- Metro area
- Sunbury, PA
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Locust Gap, PA ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 17840 | 188 | — | — |
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 Locust Gap
- Mount Carmel 2 mi
- Kulpmont 2 mi
- Lavelle 3 mi
- Marion Heights 3 mi
- Locustdale 3 mi
- Ashland 4 mi
- Wilburton 4 mi
- Numidia 5 mi
- Gordon 5 mi
- Aristes 6 mi
- Pitman 7 mi
- Elysburg 7 mi
Frequently asked questions
What is the ZIP code for Locust Gap, PA?
The ZIP code for Locust Gap, PA is 17840.
What county is Locust Gap, Pennsylvania in?
Locust Gap ZIP codes are in Northumberland County.