City Profile
Allentown, PA
Browse ZIP codes and key stats for Allentown, Pennsylvania: population, households, income, education, health coverage, and more.
Demographics
Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.
People
Total population
125,845
People
Median age
33.1
Housing
Total households
46,374
Income
Median household income
$55,494
Housing
Total housing units
49,502
Employment
Employment rate
57.3%
Education
Bachelor’s degree or higher
19.1%
Healthcare
Insured population
88.6%
City details
Local time 22:29:20 (ET)| Location | Allentown, PA |
|---|---|
| Population (ZIP areas) | 178,714(sum of local ZIP code populations) |
| Total ZIP codes | 8 total |
| ZIP codes (by type) | 7 Standard 1 PO Box |
| County | Lehigh |
| Area code | 484, 610, 835 |
| Timezone | Eastern Time (ET) |
| Coordinates | 40.593648, -75.478393 |
| Land area | 59.6 sq miles (154,413,054 m²) |
Map of Allentown, Pennsylvania with ZIP codes
Map of Allentown, Pennsylvania and ZIP codes
Interactive map showing Allentown, Pennsylvania boundaries and ZIP code areas. Click to load.
ZIP Codes in Allentown
Explore the ZIP codes that make up Allentown. Analyze key demographics and population stats for the region using the comprehensive table below.
| ZIP | Type | Median incomeHousehold | Population (ZIP) |
|---|---|---|---|
| 18101 | Standard | $44,773 | 5,108 |
| 18102 | Standard | $43,085 | 51,567 |
| 18103 | Standard | $72,895 | 48,358 |
| 18104 | Standard | $94,601 | 47,289 |
| 18105 | PO BOX | — | — |
| 18106 | Standard | $92,813 | 7,477 |
| 18109 | Standard | $58,031 | 18,915 |
| 18195 | Standard | — | — |
— Data unavailable or suppressed by the U.S. Census Bureau for areas with small sample sizes to protect individual privacy.
ZIP type legend
- Standard: residential and business delivery areas
- PO BOX: primarily post office boxes; population may be unavailable
- Unique: high-volume organizations (universities, agencies, etc.)
Data Sources & Citations
The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:
- United States Census Bureau Demographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS). Census Data
- United States Postal Service (USPS) ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries. USPS