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ZIP Code Database - Facts & Stats

Data Last Updated: May 1, 2022

ZIP Codes for City of Allentown, PA

Allentown, PA Covers 8 ZIP Codes

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 18101StandardLehigh3,897484 / 610
ZIP Code 18102StandardLehigh49,779484 / 610
ZIP Code 18103StandardLehigh45,336484 / 610
ZIP Code 18104StandardLehigh43,236610
ZIP Code 18105P.O. BoxLehigh12484 / 610
ZIP Code 18106StandardLehigh6,889610
ZIP Code 18109StandardLehigh16,932610 / 484
ZIP Code 18195StandardLehigh0610

Timezone(s):Eastern (GMT -05:00)
Counties:LEHIGH, PA
Population:118,032 (More Details)
Male Population:56,869
Female Population:61,163
Median Age:33
ZIP Codes:8
Area Codes:2
Total Area:348 square miles (county)
Land Area:345 square miles (county)
Water Area:3 square miles (county)

Allentown, PA Demographic Information *

Total population118,032
Male population56,869
Female population61,163
Median age (years)32.7
White Population69,061
Black Population14,812
Indian Population893
Asian Population2,542
Hawaiian Population55
Hispanic Population50,461
Median age (Male)31.8
Median age (Female)33.6
Total households42,804
Family households (families)26,683
Average household size2.64
Average family size3.29
Total housing units46,921
* Demographic data is based on 2010 Census. Products


  1. U.S. Postal Service [Last Updated: 5/1/2022],
  2. Internal Data Creation [Last Updated: 5/1/2022],
  3. U.S. Geological Survey [Updated as needed],
  4. U.S. Census [Updated Yearly],
  5. U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010],