Blue Mountain Lake, New York Zip Codes
📍 Blue Mountain Lake is in Hamilton County, New York with 1 zip code; the most populous is 12812.
Blue Mountain Lake is a USPS city name in Hamilton County, New York with a Census population of approximately 265 across its ZIP codes. Hamilton County as a whole has 11 ZIP codes in this directory. Below you'll find every zip code serving Blue Mountain Lake with population, income and home value, a map, and the city's affordability profile.
Population and demographic data sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code routing data sourced from the United States Postal Service (USPS).
All Blue Mountain Lake Zip Codes
Blue Mountain Lake at a Glance
Blue Mountain Lake has 1 ZIP code in this directory: 1 standard delivery ZIP. Its one ZIP with published Census housing data, 12812, has 265 residents.
Blue Mountain Lake's ZIP has a household income of $170,156 and a home value of $392,900, a price-to-income ratio of 2.3, below the 2.9 New York ZIP median.
100% of households in Blue Mountain Lake own their home (statewide ZIP median 80%). 26% of adults hold a bachelor's degree, below the 31% statewide median. The median poverty rate is 4.5%, far below the 9.9% statewide ZIP median. Overall density is about 3 residents per square mile across 87 square miles of ZIP land area.
Medians are taken across the ZIP codes listed below (each ZIP weighted equally); PO Box and no-data ZIPs are excluded. Definitions on the methodology page; statewide comparisons in the 2026 New York ZIP Code Affordability Report.
Blue Mountain Lake Zip Code Map
Interactive map of Blue Mountain Lake, New York zip codes. Click any marker for details.