Lehigh County, PA ZIP codes
There are 34 ZIP codes in Lehigh County, PA, in 24 towns, from 18018 to 18195. The largest are 18103 (Allentown), 18104 (Allentown) and 18102 (Allentown). 1 more crosses into it from a neighbouring county: 19529.
The county seat is Allentown.
- ZIP codes
- 34
- Partly in it
- 1 more
- Towns
- 24
- County seat
- Allentown
- County FIPS
42077- State
- Pennsylvania
- Population
- 378,792
- Median household income
- $80,079
- Land area
- 345 sq mi
- Metro area
- Allentown-Bethlehem-Easton
Lehigh County ZIP codes by town
Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.
ZIP codes partly in Lehigh County
This ZIP code lies mostly in a neighbouring county but covers a twentieth or more of Lehigh County.
- 19529 Kempton · mostly in Berks County
Map of Lehigh County ZIP codes
The ZIP codes of Lehigh County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Lehigh County in numbers
About 378,792 people live in Lehigh County, in 144,386 households, the 10th most populous of Pennsylvania's 67 counties. The median household income is $80,079 a year, about the same as the Pennsylvania median of $77,971 (US: $80,734). The median owner-occupied home is valued at $300,400 (18% above the Pennsylvania median), and median gross rent is $1,383 a month. The median age is 39.6; 34.2% of adults 25 and over hold a bachelor's degree or higher (35.2% across Pennsylvania); the average commute takes 25 minutes.
| Population | 378,792 |
|---|---|
| Households | 144,386 |
| Median age | 39.6 |
| Median household income | $80,079 |
| Median home value | $300,400 |
| Median gross rent | $1,383 |
| Bachelor's degree or higher | 34.2% |
| Mean commute | 24.9 min |
| Population density | 1,097 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.
Largest towns in Lehigh County
| Town | ZIP codes | Population |
|---|---|---|
| Allentown | 8 | 125,976 |
| Bethlehem | 2 | 77,956 |
| Whitehall | 1 | 14,811 |
| Emmaus | 3 | 11,889 |
| Center Valley | 1 | 9,209 |
| Orefield | 1 | 8,515 |
| Breinigsville | 1 | 7,769 |
| Catasauqua | 1 | 6,541 |
| Slatington | 1 | 4,290 |
| Schnecksville | 1 | 3,922 |
| Fogelsville | 1 | 3,624 |
| Coplay | 1 | 3,466 |
| Macungie | 1 | 3,274 |
| Zionsville | 1 | 3,230 |
| Coopersburg | 1 | 2,495 |
Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.
Neighbouring counties
Counties that share a ZIP code with Lehigh County.
Not sure you are in Lehigh County? What county am I in? answers from your location, near a county line included.
Every ZIP code in Lehigh County, with figures
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
18018 | Bethlehem , PA | Standard | 32,965 | $75,417 | $250,900 |
18025 | Bethlehem , PA | No street area | — | — | — |
18031 | Breinigsville , PA | Standard | 11,570 | $113,625 | $373,400 |
18032 | Catasauqua , PA | Standard | 9,555 | $81,098 | $222,700 |
18034 | Center Valley , PA | Standard | 9,209 | $153,200 | $475,900 |
18036 | Coopersburg , PA | Standard | 15,581 | $129,123 | $416,200 |
18037 | Coplay , PA | Standard | 7,472 | $83,542 | $256,600 |
18046 | East Texas , PA | Standard | 201 | — | — |
18049 | Emmaus , PA | Standard | 18,941 | $93,694 | $315,700 |
18051 | Fogelsville , PA | Standard | 3,624 | $139,506 | $459,600 |
18052 | Whitehall , PA | Standard | 29,451 | $75,665 | $262,900 |
18053 | Germansville , PA | Standard | 2,344 | $83,370 | $303,100 |
18059 | Laurys Station , PA | Standard | 744 | $167,961 | $431,100 |
18060 | Limeport , PA | No street area | — | — | — |
18062 | Macungie , PA | Standard | 27,110 | $110,675 | $380,200 |
18065 | Neffs , PA | Standard | 577 | — | — |
18066 | New Tripoli , PA | Standard | 6,102 | $109,115 | $328,400 |
18068 | Old Zionsville , PA | No street area | — | — | — |
18069 | Orefield , PA | Standard | 8,515 | $117,895 | $424,500 |
18078 | Schnecksville , PA | Standard | 7,857 | $120,857 | $385,400 |
18079 | Slatedale , PA | Standard | 303 | $96,071 | $213,300 |
18080 | Slatington , PA | Standard | 11,226 | $74,522 | $264,200 |
18087 | Trexlertown , PA | Standard | 590 | $72,917 | $346,100 |
18092 | Zionsville , PA | Standard | 3,230 | $112,721 | $422,200 |
18098 | Emmaus , PA | No street area | — | — | — |
18099 | Emmaus , PA | No street area | — | — | — |
18101 | Allentown , PA | Standard | 6,120 | $44,773 | $171,300 |
18102 | Allentown , PA | Standard | 51,001 | $43,085 | $163,400 |
18103 | Allentown , PA | Standard | 48,746 | $72,895 | $272,700 |
18104 | Allentown , PA | Standard | 48,683 | $94,601 | $336,400 |
18105 | Allentown , PA | No street area | — | — | — |
18106 | Allentown , PA | Standard | 6,226 | $92,813 | $412,200 |
18109 | Allentown , PA | Standard | 18,446 | $58,031 | $198,800 |
18195 | Allentown , PA | Standard | 0 | — | — |
Cite this page
zipcodes.pro. “Lehigh County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/pa/county/lehigh
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