Lehigh County, Pennsylvania ZIP codes
34 ZIP codes are in Lehigh County, plus 8 that cross in from neighboring counties. It's part of the Allentown-Bethlehem-Easton, PA-NJ metro area.
- ZIP codes
- 34
- Population in these ZIPs
- 386,389
- Avg. median income
- $84,600population-weighted
- Cities & towns
- 24
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Lehigh County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 18018 | Bethlehem | 32,965 | $75,417 | $298,400 |
| 18025 PO Box | Bethlehem | — | — | — |
| 18031 | Breinigsville | 11,570 | $113,625 | $488,400 |
| 18032 | Catasauqua | 9,555 | $81,098 | $287,900 |
| 18034 | Center Valley | 9,209 | $153,200 | $575,200 |
| 18036 | Coopersburg | 15,581 | $129,123 | $505,400 |
| 18037 | Coplay | 7,472 | $83,542 | $358,400 |
| 18046 | East Texas | 201 | — | — |
| 18049 | Emmaus | 18,941 | $93,694 | $386,700 |
| 18051 | Fogelsville | 3,624 | $139,506 | $544,400 |
| 18052 | Whitehall | 29,451 | $75,665 | $338,800 |
| 18053 | Germansville | 2,344 | $83,370 | $401,000 |
| 18059 | Laurys Station | 744 | $167,961 | $493,500 |
| 18060 PO Box | Limeport | — | — | — |
| 18062 | Macungie | 27,110 | $110,675 | $452,200 |
| 18065 | Neffs | 577 | — | — |
| 18066 | New Tripoli | 6,102 | $109,115 | $456,700 |
| 18068 PO Box | Old Zionsville | — | — | — |
| 18069 | Orefield | 8,515 | $117,895 | $522,200 |
| 18078 | Schnecksville | 7,857 | $120,857 | $522,400 |
| 18079 | Slatedale | 303 | $96,071 | $251,500 |
| 18080 | Slatington | 11,226 | $74,522 | $340,200 |
| 18087 | Trexlertown | 590 | $72,917 | $357,600 |
| 18092 | Zionsville | 3,230 | $112,721 | $504,300 |
| 18098 PO Box | Emmaus | — | — | — |
| 18099 PO Box | Emmaus | — | — | — |
| 18101 | Allentown | 6,120 | $44,773 | $210,000 |
| 18102 | Allentown | 51,001 | $43,085 | $225,300 |
| 18103 | Allentown | 48,746 | $72,895 | $313,600 |
| 18104 | Allentown | 48,683 | $94,601 | $399,100 |
| 18105 PO Box | Allentown | — | — | — |
| 18106 | Allentown | 6,226 | $92,813 | $445,200 |
| 18109 | Allentown | 18,446 | $58,031 | $271,300 |
| 18195 | Allentown | 0 | — | — |
ZIP codes partly in Lehigh County
These ZIP codes are mostly in a neighboring county but cover part of Lehigh County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 18011 | Alburtis | Berks County | 5,338 | $104,449 | $365,200 |
| 18015 | Bethlehem | Northampton County | 34,852 | $60,800 | $292,100 |
| 18017 | Bethlehem | Northampton County | 40,640 | $91,173 | $390,600 |
| 18041 | East Greenville | Montgomery County | 5,768 | $98,615 | $360,100 |
| 18951 | Quakertown | Bucks County | 36,568 | $98,268 | $453,500 |
| 19529 | Kempton | Berks County | 3,109 | $94,286 | $442,400 |
| 19530 | Kutztown | Berks County | 15,573 | $71,554 | $360,600 |
| 19539 | Mertztown | Berks County | 3,823 | $107,656 | $359,000 |
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 and towns in Lehigh County
Nearby counties
Frequently asked questions
How many ZIP codes are in Lehigh County, Pennsylvania?
34 ZIP codes are mainly in Lehigh County, and 8 more ZIP codes from neighboring areas reach partly into it.
What cities are in Lehigh County?
ZIP codes in Lehigh County use the city names Allentown, Bethlehem, Breinigsville, Catasauqua, Center Valley, Coopersburg, Coplay, East Texas, Emmaus, Fogelsville, Germansville and Laurys Station and others.
What metro area is Lehigh County in?
Lehigh County is part of the Allentown-Bethlehem-Easton, PA-NJ metropolitan statistical area.