Bethlehem, PA ZIP codes
Bethlehem, Pennsylvania has 6 ZIP codes, including 2 PO Box ZIPs. They are in Northampton County and Lehigh County.
- Population in these ZIPs
- 129,661
- Avg. median income
- $84,700population-weighted
- Typical home value
- $347,800population-weighted
- Metro area
- Allentown-Bethlehem-Easton, PA-NJ
Loading map…
Click anywhere on the map to see which ZIP code it's in.
Bethlehem, PA ZIP codes list
| ZIP code | County | Population | Median income | Typical home value |
|---|---|---|---|---|
| 18015 | Northampton County | 34,852 | $60,800 | $292,100 |
| 18016 PO Box | Northampton County | — | — | — |
| 18017 | Northampton County | 40,640 | $91,173 | $390,600 |
| 18018 | Lehigh County | 32,965 | $75,417 | $298,400 |
| 18020 | Northampton County | 21,204 | $126,166 | $434,400 |
| 18025 PO Box | Lehigh County | — | — | — |
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 Bethlehem
- Catasauqua 4 mi
- Hellertown 6 mi
- Whitehall 6 mi
- Northampton 7 mi
- Center Valley 7 mi
- Allentown 7 mi
- Springtown 8 mi
- Bath 9 mi
- Nazareth 9 mi
- Easton 9 mi
- Coplay 9 mi
- Coopersburg 9 mi
Frequently asked questions
What is the ZIP code for Bethlehem, PA?
Bethlehem, PA has 6 ZIP codes: 18015, 18016, 18017, 18018, 18020 and 18025.
What county is Bethlehem, Pennsylvania in?
Bethlehem ZIP codes are in Northampton County and Lehigh County.
Which Bethlehem ZIP codes are PO Boxes?
18016 and 18025 are PO Box or single-organization ZIP codes; they have no residential delivery area.