ALLENTOWN, PA ZIP Code
| City | ALLENTOWN |
| State | Pennsylvania |
| ZIP Codes count | 8 (see all) |
| Post offices count | 3 (see all) |
| Total population | 120,410 (see all) |
ZIP Codes in ALLENTOWN, Pennsylvania
The ZIP Codes in ALLENTOWN, Pennsylvania fall within the range from 18101 to 18195. ALLENTOWN is covered by 8 ZIP Codes: 7 Standard and 1 PO Box. Below is the complete list:
18101, 18102, 18103, 18104, 18105, 18106, 18109, 18195
This list contains only 5-digit ZIP codes. Use our zip code lookup by address feature to get the full 9-digit (ZIP+4) code.
List of ALLENTOWN, PA ZIP Codes
| ZIP | TYPE | POPU |
|---|---|---|
| 18101 | STANDARD | 5,437 |
| 18102 | STANDARD | 51,996 |
| 18103 | STANDARD | 49,023 |
| 18104 | STANDARD | 45,959 |
| 18105 | PO BOX | – |
| 18106 | STANDARD | 6,621 |
| 18109 | STANDARD | 17,266 |
| 18195 | STANDARD | 0 |
Post offices
ALLENTOWN — Post Office™ 442 HAMILTON ST OFC ALLENTOWN, PA 18101-9998 |
ALLENTOWN AIRPORT — Post Office™ 1000 POSTAL RD SIDE ALLENTOWN, PA 18109-9998 |
WESCOSVILLE — Post Office™ 1115 BROOKSIDE RD ALLENTOWN, PA 18106-9539 |
Envelope example
On the bottom center of the envelope, write the address you want your letter delivered to. Include the following on separate lines:
- Recipient's full name
- Full street address
- City, State, and ZIP Code
Using the same format, write the return address in the top left corner.
Using the full ZIP+4 Code when mailing via the USPS ensures the fastest, most accurate mailing possible. If you are not sure of the full 9-digit ZIP Code, use the 5-digit ZIP Code to avoid loss of letter or package.

The recipient address information is provided for your reference.
Address example
4488 DRIFTWOOD LN
ALLENTOWN PA 18103-9234
ALLENTOWN PA 18103-9234
256 E LYNNWOOD ST
ALLENTOWN PA 18103-5168
ALLENTOWN PA 18103-5168
1985 S WOOD ST
ALLENTOWN PA 18103-5076
ALLENTOWN PA 18103-5076
177 W ADAMS ST
ALLENTOWN PA 18103-4136
ALLENTOWN PA 18103-4136
1833 WEAVERSVILLE RD
ALLENTOWN PA 18109-9427
ALLENTOWN PA 18109-9427
1620 ZOAR AVE
ALLENTOWN PA 18103-8455
ALLENTOWN PA 18103-8455
Map
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Census data for ALLENTOWN, PA
Demographic and housing estimates in ALLENTOWN, PA
| Total population | 120,410 |
| Male | 58,619 |
| Female | 61,791 |
| Total population | 120,410 |
| Under 5 years | 8,974 |
| 5 to 9 years | 8,687 |
| 10 to 14 years | 8,990 |
| 15 to 19 years | 9,879 |
| 20 to 24 years | 10,430 |
| 25 to 34 years | 18,922 |
| 35 to 44 years | 14,770 |
| 45 to 54 years | 13,489 |
| 55 to 59 years | 6,454 |
| 60 to 64 years | 5,442 |
| 65 to 74 years | 7,719 |
| 75 to 84 years | 4,130 |
| 85 years and over | 2,524 |
| Median age (years) | 31.8 |
| Under 18 years | 31,820 |
| 16 years and over | 91,957 |
| 18 years and over | 88,590 |
| 21 years and over | 81,520 |
| 62 years and over | 17,314 |
| 65 years and over | 14,373 |
| Total population | 120,410 |
| One race | 114,599 |
| White | 71,104 |
| Black or African American | 17,053 |
| American Indian and Alaska Native | 914 |
| Asian | 3,025 |
| Native Hawaiian and Other Pacific Islander | 108 |
| Some other race | 22,395 |
| Two or more races | 5,811 |
| Citizen, VOTING AGE 18 and over population | 78,674 |
| Male Citizen, VOTING AGE 18 and over population | 37,607 |
| Female Citizen, VOTING AGE 18 and over population | 41,067 |
Social characteristics in ALLENTOWN, PA
| Total households | 42,151 |
| Family households (families) | 26,808 |
| Married-couple family | 13,894 |
| Male householder, no wife present, family | 3,375 |
| Female householder, no husband present, family | 9,539 |
| Nonfamily households | 15,343 |
| Average household size | 2.73 |
| Average family size | 3.36 |
Economic characteristics in ALLENTOWN, PA
| Total households | 42,151 |
| Less than $10,000 | 4,344 |
| $10,000 to $14,999 | 2,992 |
| $15,000 to $24,999 | 5,493 |
| $25,000 to $34,999 | 5,675 |
| $35,000 to $49,999 | 6,122 |
| $50,000 to $74,999 | 8,460 |
| $75,000 to $99,999 | 4,095 |
| $100,000 to $149,999 | 3,172 |
| $150,000 to $199,999 | 1,021 |
| $200,000 or more | 777 |
| Median household income (dollars) | 40,490 |
Housing characteristics in ALLENTOWN, PA
| Total housing units | 45,749 |
| Occupied housing units | 42,151 |
| Vacant housing units | 3,598 |
| Total housing units | 45,749 |
| 1-unit, detached | 9,499 |
| 1-unit, attached | 17,441 |
| 2 units | 4,020 |
| 3 or 4 units | 4,721 |
| 5 to 9 units | 3,475 |
| 10 to 19 units | 3,136 |
| 20 or more units | 3,297 |
| Mobile home | 160 |
| Boat, RV, van, etc. | 0 |
| Total housing units | 45,749 |
| Built 2014 or later | 249 |
| Built 2010 to 2013 | 583 |
| Built 2000 to 2009 | 2,273 |
| Built 1990 to 1999 | 1,737 |
| Built 1980 to 1989 | 2,282 |
| Built 1970 to 1979 | 5,342 |
| Built 1960 to 1969 | 5,455 |
| Built 1950 to 1959 | 7,558 |
| Built 1940 to 1949 | 3,557 |
| Built 1939 or earlier | 16,713 |
| Total housing units | 45,749 |
| 1 room | 960 |
| 2 rooms | 1,343 |
| 3 rooms | 5,636 |
| 4 rooms | 8,428 |
| 5 rooms | 7,551 |
| 6 rooms | 9,261 |
| 7 rooms | 5,915 |
| 8 rooms | 3,813 |
| 9 rooms or more | 2,842 |
| Median rooms | 5.4 |
| Total housing units | 45,749 |
| No bedroom | 1,082 |
| 1 bedroom | 8,532 |
| 2 bedrooms | 11,514 |
| 3 bedrooms | 16,239 |
| 4 bedrooms | 4,973 |
| 5 or more bedrooms | 3,409 |
| Occupied housing units | 42,151 |
| Owner-occupied | 17,666 |
| Renter-occupied | 24,485 |
| Average household size of owner-occupied unit | 2.74 |
| Average household size of renter-occupied unit | 2.73 |
| Occupied housing units | 42,151 |
| Moved in 2017 or later | 2,793 |
| Moved in 2015 to 2016 | 6,919 |
| Moved in 2010 to 2014 | 14,243 |
| Moved in 2000 to 2009 | 10,019 |
| Moved in 1990 to 1999 | 3,392 |
| Moved in 1989 and earlier | 4,785 |
| Owner-occupied units | 17,666 |
| Less than $50,000 | 976 |
| $50,000 to $99,999 | 4,343 |
| $100,000 to $149,999 | 5,936 |
| $150,000 to $199,999 | 4,070 |
| $200,000 to $299,999 | 1,482 |
| $300,000 to $499,999 | 616 |
| $500,000 to $999,999 | 142 |
| $1,000,000 or more | 101 |
| Median (dollars) | 126,700 |
| Owner-occupied units | 17,666 |
| Housing units with a mortgage | 11,620 |
| Housing units without a mortgage | 6,046 |
| Occupied units paying rent | 23,953 |
| Less than $500 | 2,446 |
| $500 to $999 | 10,643 |
| $1,000 to $1,499 | 8,747 |
| $1,500 to $1,999 | 1,770 |
| $2,000 to $2,499 | 311 |
| $2,500 to $2,999 | 23 |
| $3,000 or more | 13 |
| Median (dollars) | 968 |
| No rent paid | 532 |
Data is based on 2018 Census
ZIP Codes for other locations
State for ALLENTOWN
Pennsylvania ZIP CodesOther cities in Pennsylvania