Home > NY > Ulster County > Mount Marion > Zip 12456

Zip Code 12456 — Mount Marion, NY

12456 is a ZIP Code associated with Mount Marion, NY, located within Ulster. The postal region supports an estimated population of 390 residents across Data Pending housing units, with a population density of 278.7 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (42.033080, -73.997030)

Data MetricLocal Statistic
Postal / Zip Code12456
Primary CityMount Marion
State / ProvinceNY
CountyUlster
Total Population390
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density278.7 people/sq mi
TimezoneAmerica/New_York

How 12456 Compares

MetricZIP 12456Ulster CountyNY State Average
Population390194,34419,771,902
Median IncomeData PendingN/AN/A
Population Density278.7 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 12475Ruby1.6 mi557N/A
Zip 12449Lake Katrine2.7 mi3,010N/A
Zip 12432Glasco2.9 mi697N/A
Zip 12477Saugerties3.6 mi19,066N/A
Zip 12507Barrytown4.3 mi227N/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 →