Zip Code 18088 — Walnutport, PA

18088 is a ZIP Code associated with Walnutport, PA, located within Northampton. The postal region supports an estimated population of 8,488 residents across Data Pending housing units, with a population density of 172.0 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (40.765780, -75.557600)

Data MetricLocal Statistic
Postal / Zip Code18088
Primary CityWalnutport
State / ProvincePA
CountyNorthampton
Total Population8,488
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density172.0 people/sq mi
TimezoneAmerica/New_York

How 18088 Compares

MetricZIP 18088Northampton CountyPA State Average
Population8,488310,52713,018,637
Median IncomeData PendingN/AN/A
Population Density172.0 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 18035Cherryville1.3 mi39N/A
Zip 18086Treichlers1.9 mi229N/A
Zip 18059Laurys Station3.1 mi744N/A
Zip 18012Aquashicola3.6 mi32N/A
Zip 18080Slatington4.4 mi11,226N/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 →