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Zip Code 18017 — Bethlehem, PA

18017 is a ZIP Code associated with Bethlehem, PA, located within Northampton. The postal region supports an estimated population of 40,640 residents across Data Pending housing units, with a population density of 936.3 people per square mile.

WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (40.660690, -75.387390)

Data Metric	Local Statistic
Postal / Zip Code	18017
Primary City	Bethlehem
State / Province	PA
County	Northampton
Total Population	40,640
Median Household Income	Data Pending
Total Housing Units	Data Pending
Population Density	936.3 people/sq mi
Timezone	America/New_York

How 18017 Compares

Metric	ZIP 18017	Northampton County	PA State Average
Population	40,640	310,527	13,018,637
Median Income	Data Pending	N/A	N/A
Population Density	936.3 /sq mi	--	--

Nearby ZIP Codes

ZIP Code	City	Distance	Population	Median Income
Zip 18018	Bethlehem	2.3 mi	32,965	N/A
Zip 18109	Allentown	3.2 mi	18,446	N/A
Zip 18020	Bethlehem	3.3 mi	21,204	N/A
Zip 18032	Catasauqua	4.2 mi	9,555	N/A
Zip 18015	Bethlehem	5.1 mi	34,852	N/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 →