Zip Code 18055 — Hellertown, PA

ZIP Code 18055 is associated with Hellertown, PA, in Northampton County. The listed population estimate is 12,117; estimated density is 234.1 people per square mile. Among records with population estimates, it ranks #10 of 22 in Northampton County and #353 of 1,811 in PA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (40.587940, -75.299290)

Data MetricLocal Statistic
Postal / Zip Code18055
Primary CityHellertown
State / ProvincePA
CountyNorthampton
Total Population12,117
Population Density234.1 people/sq mi
TimezoneAmerica/New_York

How 18055 Compares

MetricZIP 18055Northampton County recordsPA records
Population estimate12,117310,527 (sum)13,018,637 (sum)
Population Density234.1 /sq mi----
County population rank#10 of 22----
State population rank#353 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 18081Springtown1.9 mi85
ZIP 18077Riegelsville3.4 mi2,203
ZIP 18015Bethlehem3.6 mi34,852
ZIP 18018Bethlehem5.7 mi32,965
ZIP 18042Easton5.8 mi45,532

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 →