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New York ZIP Codes
Hamilton County
Blue Mountain Lake, NY
12812
12812 ZIP Code — Blue Mountain Lake, NY
Hamilton County, New York
ZIP code 12812 is located in
Blue Mountain Lake ,
New York ,
within Hamilton County .
It covers approximately 86.99 square miles and serves a population of
349 residents.
This is a standard ZIP code in the Eastern (ET) timezone,
served by area code 518 .
About ZIP code 12812
The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $356,300.
Median household income is $183,047.
The dominant occupation class is management, business, and professional, with construction as the leading industry. Remote work is prevalent — 92% of workers work from home.
Educational attainment is near the national average, with 21% of residents holding a bachelor's degree or higher.
Overall, ZIP code 12812 reflects a community defined by high homeownership and a high rate of remote workers.
12812 ZIP code map
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Cities in ZIP code 12812
Below are the cities the US Postal Service accepts for ZIP code 12812. Using any city not on this list may result in mail delivery delays.
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
349
Population density
4 / sq mi
State FIPS
36
County FIPS
041
Geography
Land area
86.99 sq mi
Water area
4.86 sq mi
Latitude
43.8329
Longitude
-74.4241
Timezone
Eastern (ET)
Area code
518
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
20.6%
36.0%
37.0%
$50k – $100k
30.2%
40.2%
27.0%
$100k – $200k
49.2%
21.4%
24.4%
Over $200k
0.0%
2.4%
11.5%
Demographics & statistics
$183,047
Median household income
$356,300
Median home value
21.2%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 0 0.0%
18 and over 349 100.0%
65 and over 314 90.0%
Median age 67.6 years
Race & ethnicity
Household income
Income range
This ZIP
County avg
State avg
Under $50k
20.6%
36.0%
37.0%
$50k – $100k
30.2%
40.2%
27.0%
$100k – $200k
49.2%
21.4%
24.4%
Over $200k
0.0%
2.4%
11.5%
Range % of households
$25k–$35k 1.9%
$35k–$50k 3.7%
$75k–$100k 3.7%
$150k–$200k 87.0%
$200k+ 3.7%
Median income $183,047
Housing
Housing overview
Metric Value
Median home value $356,300
Median rent / month $0
Owner occupied 100.0%
Renter occupied 0.0%
Vacant 79.2%
Single-family detached 94.6%
Large apartment buildings 0.0%
Mobile homes 4.6%
Median rooms 4.8
Avg household size (owned) 6.46
Year built
Era %
2020 or later 0.0%
2010–2019 4.6%
2000–2009 3.9%
1990–1999 24.7%
1980–1989 0.0%
1970–1979 10.4%
1960–1969 14.3%
1950–1959 5.0%
1940–1949 5.4%
1939 or earlier 31.7%
Bedrooms
Size % of units
No bedroom (studio) 0.0%
1 bedroom 17.0%
2 bedrooms 25.1%
3 bedrooms 43.6%
4 bedrooms 10.8%
5+ bedrooms 3.5%
Vehicles per household
Vehicles % of households
No vehicle 0.0%
1 vehicle 16.7%
2 vehicles 68.5%
3 or more 14.8%
Heating fuel
Fuel type %
Propane / LP gas 24.1%
Fuel oil 74.1%
Wood 1.9%
Households & families
Household type Count %
Married-couple family 22 40.7%
Cohabiting couple 0 0.0%
Male householder, no spouse 0 0.0%
Female householder, no spouse 32 59.3%
Households with children under 18 0 0.0%
Households with seniors (65+) 48 88.9%
Average household size 6.46
Marital status
Status Male Female
Never married 2.4% 0.0%
Married 97.6% 45.5%
Separated 0.0% 0.0%
Widowed 0.0% 54.5%
Divorced 0.0% 0.0%
Education
Some college, no degree
23.3%
Graduate / professional
15.4%
Metric %
HS diploma or higher 98.8%
Bachelor's or higher 21.2%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 0 0.0%
Kindergarten 0 0.0%
Elementary school 0 0.0%
High school 0 0.0%
College / grad school 0 0.0%
Employment
Industry of employment
Public administration
13.8%
Professional & management
3.4%
Education & healthcare
2.6%
Arts, food & hospitality
2.2%
Transportation & utilities
0.9%
Occupation
Category %
Management, business & arts 84.1%
Service 2.2%
Sales & office 13.8%
Natural resources & construction 0.0%
Production & transportation 0.0%
Employment type
Type %
Private sector 5.6%
Government 16.4%
Self-employed 78.0%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 8.2%
Carpool 0.0%
Public transit 0.0%
Walk 0.0%
Work from home 91.8%
Other means 0.0%
Avg commute (minutes) 0.0
Poverty
Married-couple families
0.0%
Female-led households
0.0%
Income support
Source % of households
Social Security 29.6%
Retirement income 20.4%
Supplemental Security 0.0%
Cash public assistance 0.0%
Food stamps / SNAP 0.0%
Health indicators
Condition %
Obesity 28.9%
High blood pressure 38.7%
High cholesterol 39.0%
Diabetes 11.6%
Heart disease 8.6%
Stroke 3.9%
Asthma 10.3%
Arthritis 32.8%
Kidney disease 3.7%
Pulmonary disease 9.0%
Cancer 10.1%
Behavior / access %
Smoking 15.8%
Binge drinking 14.0%
No physical activity 24.0%
Less than 7 hrs sleep 34.3%
Depression 20.0%
Fair or poor health 13.7%
Poor mental health 12.7%
Poor physical health 11.5%
No health insurance 8.5%
Visited doctor (checkup) 82.0%
Visited dentist 69.5%
Cholesterol screening 95.0%
Teeth loss 12.3%
Veterans & disability
Veterans Count %
Civilian veterans 2 0.6%
Disability %
Any disability 0.0%
Under 18 0.0%
18–64 years 0.0%
65 and over 0.0%
Health insurance coverage
Type %
Private insurance 97.7%
Public insurance 26.9%
No insurance 0.0%
Uninsured under 19 0.0%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 349 100.0%
Spanish 0 0.0%
Other Indo-European 0 0.0%
Asian & Pacific Islander 0 0.0%
Other languages 0 0.0%
Place of birth & citizenship
Origin Count %
Native born (US) 345 98.9%
Born in same state 345 98.9%
Born in different state 234 67.0%
Foreign born 0 0.0%
Naturalized citizen 4 1.1%
Not a US citizen 4 100.0%
Ancestry
Ancestry Count %
Italian 226 64.8%
Ancestry Count %
French 101 28.9%
Technology access
Metric % of households
Computer access 15.5%
Internet access 100.0%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 12812
What city is ZIP code 12812 in?
ZIP code 12812 is primarily assigned to Blue Mountain Lake, New York.
What county is ZIP code 12812 in?
ZIP code 12812 falls within Hamilton County, New York.
Does ZIP code 12812 have an older population?
90% of residents in ZIP code 12812 are 65 or older, above the national average of ~17%.
What is the median household income in ZIP code 12812?
The median household income in ZIP code 12812 is $183,047, above the national median of ~$75,000.
What is the typical home value in ZIP code 12812?
The median home value in ZIP code 12812 is $356,300.
What is the population of ZIP code 12812?
ZIP code 12812 has an estimated population of 349 residents, with a density of 4 people per square mile.
What timezone is ZIP code 12812 in?
ZIP code 12812 observes the EST timezone.
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