Allentown, PA ZIP Codes
7 ZIP codes serve Allentown, Pennsylvania: 18102, 18103, 18104, 18109, 18106, 18101 and 18195. Together they are home to 179,222 residents in 66,820 households. That is more than the 125,976 people counted inside Allentown city limits, because these ZIP codes reach past its boundary. Median household income ranges from $43,085 in 18102 to $94,601 in 18104.
Allentown city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 125,976 |
| Households | 46,374 |
| Median household income | $55,494 |
| Median home value | $206,600 |
| Median age | 33.1 |
| Median rent | $1,317 |
All 7 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 179,222 |
| Households (sum of ZIP codes) | 66,820 |
| Median household income, range across ZIP codes | $43,085 (18102) to $94,601 (18104) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $69,303 |
| Homeowners | 54.7% |
| Households with kids under 18 | 32.0% |
| Moved in the past year | 11.8% |
| Carrier routes in EDDM2GO's route library | 140 routes, 66,790 homes (6 of 7 ZIP codes) |
Top facts
- Highest median household income in Allentown: 18104 ($94,601)
- Most residents: 18102 (51,001 people)
- Highest homeownership: 18106 (82.5% own their home)
- Most households with kids: 18102 (36.3% of households)
- Most new movers: 18101 (20.0% moved in last year)
- Youngest median age: 18101 (29.1 years)
- Highest median home value: 18106 ($412,200)
Every ZIP code in Allentown
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 18102 | Allentown | 51,001 | 17,289 | $43,085 | $163,400 | 32.1% | 36.3% | 10.5% | 25 | 18,799 | 98% of its land; mailing city |
| 18103 | Allentown | 48,746 | 18,880 | $72,895 | $272,700 | 63.1% | 32.4% | 14.8% | 43 | 20,411 | 40% of its land; mailing city |
| 18104 | Allentown | 48,683 | 18,532 | $94,601 | $336,400 | 71.0% | 28.4% | 9.2% | 48 | 20,612 | 17% of its land; mailing city |
| 18109 | Allentown | 18,446 | 7,030 | $58,031 | $198,800 | 52.1% | 32.8% | 10.3% | 15 | 8,445 | 44% of its land; mailing city |
| 18106 | Allentown | 6,226 | 2,513 | $92,813 | $412,200 | 82.5% | 29.9% | 14.8% | 8 | 3,497 | mailing city |
| 18101 | Allentown | 6,120 | 2,576 | $44,773 | $171,300 | 8.3% | 25.0% | 20.0% | — | — | 100% of its land; mailing city |
| 18195 | Allentown | 0 | 0 | — | — | — | — | — | 1 | 29 | mailing city |
A ZIP code is listed for Allentown when at least 10% of its land lies inside Allentown city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Allentown. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Allentown.
Counties
- Lehigh County — 32 ZIP codes
Nearby cities sharing these ZIP codes
- Wescosville — 3 ZIP codes
- Dorneyville — 2 ZIP codes
Rankings
- Richest ZIP codes in Allentown — 6 ZIP codes ranked
- ZIP codes with the highest home values in Allentown — 6 ZIP codes ranked
- ZIP codes with the highest homeownership in Allentown — 6 ZIP codes ranked
- ZIP codes with the most families with kids in Allentown — 6 ZIP codes ranked
- ZIP codes with the most new movers in Allentown — 6 ZIP codes ranked
- Youngest ZIP codes in Allentown — 6 ZIP codes ranked
- Oldest ZIP codes in Allentown — 6 ZIP codes ranked
- Fastest-growing ZIP codes in Allentown — 6 ZIP codes ranked
Price a mailing to Allentown ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Allentown, PA?
- 18102, 18103, 18104, 18109, 18106, 18101 and 18195. A ZIP code is listed for Allentown when at least 10% of its land lies inside Allentown city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Allentown.
- What is the population of Allentown, PA?
- The Census Bureau counts 125,976 residents inside Allentown city limits (ACS 2020–2024). The 7 ZIP codes that serve Allentown hold 179,222 residents in all.
- What is the median household income in Allentown, PA?
- $55,494 inside Allentown city limits, per the Census Bureau. Across its ZIP codes the medians run from $43,085 to $94,601.
- Which Allentown ZIP code has the highest median household income?
- 18104, at $94,601, among ZIP codes with at least 1,000 residents. See the full ranking of Allentown ZIP codes by income.
- How many carrier routes and mailboxes are in Allentown, PA?
- For the 6 of 7 ZIP codes in EDDM2GO's stored route library: 140 carrier routes reaching 66,790 residential and 5,011 business mailboxes. The route map loads the rest when you search them.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.