Home > NY > Ulster County > Marlboro > Zip 12542

Zip Code 12542 — Marlboro, NY

12542 is a ZIP Code associated with Marlboro, NY, located within Ulster. The postal region supports an estimated population of 5,612 residents across Data Pending housing units, with a population density of 150.6 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (41.607720, -73.996660)

Data MetricLocal Statistic
Postal / Zip Code12542
Primary CityMarlboro
State / ProvinceNY
CountyUlster
Total Population5,612
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density150.6 people/sq mi
TimezoneAmerica/New_York

How 12542 Compares

MetricZIP 12542Ulster CountyNY State Average
Population5,612194,34419,771,902
Median IncomeData PendingN/AN/A
Population Density150.6 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 12547Milton3.3 mi3,144N/A
Zip 12512Chelsea4.0 mi194N/A
Zip 12550Newburgh5.7 mi55,152N/A
Zip 12590Wappingers Falls5.7 mi35,712N/A
Zip 12515Clintondale6.1 mi1,492N/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 →