Home > PA > Lehigh County > Allentown > Zip 18106

Zip Code 18106 — Allentown, PA

ZIP Code 18106 is associated with Allentown, PA, in Lehigh County. The listed population estimate is 6,226; estimated density is 302.1 people per square mile. Among records with population estimates, it ranks #17 of 27 in Lehigh County and #567 of 1,811 in PA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (40.574720, -75.595420)

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

How 18106 Compares

MetricZIP 18106Lehigh County recordsPA records
Population estimate6,226386,389 (sum)13,018,637 (sum)
Population Density302.1 /sq mi----
County population rank#17 of 27----
State population rank#567 of 1,811----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in PA

ZIP CodeCityDistancePopulation estimate
ZIP 18087Trexlertown1.4 mi590
ZIP 18195Allentown1.7 miN/A
ZIP 18046East Texas2.6 mi201
ZIP 18031Breinigsville3.4 mi11,570
ZIP 18104Allentown3.6 mi48,683

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 →