Home > PA > Mercer County > West Middlesex > Zip 16159

Zip Code 16159 — West Middlesex, PA

16159 is a ZIP Code associated with West Middlesex, PA, located within Mercer. The postal region supports an estimated population of 4,455 residents across Data Pending housing units, with a population density of 61.3 people per square mile.

WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (41.159670, -80.468580)

Data Metric	Local Statistic
Postal / Zip Code	16159
Primary City	West Middlesex
State / Province	PA
County	Mercer
Total Population	4,455
Median Household Income	Data Pending
Total Housing Units	Data Pending
Population Density	61.3 people/sq mi
Timezone	America/New_York

How 16159 Compares

Metric	ZIP 16159	Mercer County	PA State Average
Population	4,455	109,657	13,018,637
Median Income	Data Pending	N/A	N/A
Population Density	61.3 /sq mi	--	--

Nearby ZIP Codes

ZIP Code	City	Distance	Population	Median Income
Zip 16161	Wheatland	3.2 mi	819	N/A
Zip 16143	Pulaski	3.8 mi	2,100	N/A
Zip 16121	Farrell	3.9 mi	4,199	N/A
Zip 16140	New Bedford	5.1 mi	293	N/A
Zip 16148	Hermitage	5.3 mi	16,545	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 →