Home > PA > Lehigh County > Allentown > Zip 18106

Zip Code 18106 — Allentown, PA

18106 is a ZIP Code associated with Allentown, PA, located within Lehigh. The postal region supports an estimated population of 6,226 residents across Data Pending housing units, with a population density of 302.1 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (40.574720, -75.595420)

Data MetricLocal Statistic
Postal / Zip Code18106
Primary CityAllentown
State / ProvincePA
CountyLehigh
Total Population6,226
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density302.1 people/sq mi
TimezoneAmerica/New_York

How 18106 Compares

MetricZIP 18106Lehigh CountyPA State Average
Population6,226386,38913,018,637
Median IncomeData PendingN/AN/A
Population Density302.1 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 18087Trexlertown1.4 mi590N/A
Zip 18195Allentown1.7 miN/AN/A
Zip 18046East Texas2.6 mi201N/A
Zip 18031Breinigsville3.4 mi11,570N/A
Zip 18104Allentown3.6 mi48,683N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →