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City Profile

Allentown, Pennsylvania

Population: 125,845 · 8 ZIP codes

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 02:48:31(ET)
LocationAllentown, PA
Population (ZIP areas)178,714(sum of local ZIP code populations)
Total ZIP codes8total
ZIP codes (by type)
7 Standard1 PO Box
CountyLehigh
Area code
TimezoneEastern Time (ET)
Coordinates40.59641949352437, -75.51419845257604
Land area59.6 sq miles(154,413,054 m²)

Map of Allentown, Pennsylvania with ZIP codes

Map of Allentown, Pennsylvania and ZIP codes

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.

ZIPType
Median incomeHousehold
Population (ZIP)
18101Standard$44,7735,108
18102Standard$43,08551,567
18103Standard$72,89548,358
18104Standard$94,60147,289
18105PO BOX
18106Standard$92,8137,477
18109Standard$58,03118,915
18195Standard

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.)

Nearby cities

Other cities near Allentown, PA.

Data Sources & Citations

The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:

  • United States Census BureauDemographic, 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