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New York ZIP Codes
Ulster County
Greenfield Park, NY
12435
12435 ZIP Code — Greenfield Park, NY
Ulster County, New York
ZIP code 12435 is located in
Greenfield Park ,
New York ,
within Ulster County .
It covers approximately 7.98 square miles and serves a population of
231 residents.
This is a standard ZIP code in the Eastern (ET) timezone,
served by area code 845 .
About ZIP code 12435
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 $266,300.
Median household income is $81,786. The poverty rate of 7% is below the national average. 49% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is sales and office, with professional and management as the leading industry. The average commute of 20 minutes is near the national average. Remote work is prevalent — 21% of workers work from home.
College attainment at 20% is below the national average, consistent with a trades and production-oriented local economy.
Notable community characteristics include disability rates above the national average at 30%.
Overall, ZIP code 12435 reflects a community defined by high homeownership, a high rate of remote workers, and a significant Social Security-dependent population.
12435 ZIP code map
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Cities in ZIP code 12435
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Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
231
Population density
29 / sq mi
State FIPS
36
County FIPS
111
Geography
Land area
7.98 sq mi
Water area
0.11 sq mi
Latitude
41.7283
Longitude
-74.5268
Timezone
Eastern (ET)
Area code
845
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
25.9%
38.7%
37.0%
$50k – $100k
20.4%
29.7%
27.0%
$100k – $200k
53.7%
24.1%
24.4%
Over $200k
0.0%
7.5%
11.5%
Demographics & statistics
$81,786
Median household income
$266,300
Median home value
20.2%
Bachelor's or higher
Age distribution
Age summary
Group Count % Under 18 43 18.6% 18 and over 188 81.4% 65 and over 77 33.3% Median age 51.6 years
Race & ethnicity
Group Count % White 217 88.6% Hispanic or Latino 14 5.7% Two or more races 14 5.7%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
25.9%
38.7%
37.0%
$50k – $100k
20.4%
29.7%
27.0%
$100k – $200k
53.7%
24.1%
24.4%
Over $200k
0.0%
7.5%
11.5%
Range % of households Under $10k 11.0% $35k–$50k 14.6% $75k–$100k 51.2% $100k–$150k 17.1% $200k+ 6.1% Median income $81,786
Housing
Housing overview
Metric Value Median home value $266,300 Median rent / month $0 Owner occupied 100.0% Renter occupied 0.0% Vacant 48.4% Single-family detached 79.2% Large apartment buildings 4.4% Mobile homes 16.4% Median rooms 6.6 Avg household size (owned) 2.82
Year built
Era % 2020 or later 0.0% 2010–2019 4.4% 2000–2009 1.3% 1990–1999 0.0% 1980–1989 10.7% 1970–1979 0.0% 1960–1969 22.6% 1950–1959 4.4% 1940–1949 29.6% 1939 or earlier 27.0%
Bedrooms
Size % of units No bedroom (studio) 0.0% 1 bedroom 20.1% 2 bedrooms 0.0% 3 bedrooms 57.2% 4 bedrooms 3.1% 5+ bedrooms 19.5%
Vehicles per household
Vehicles % of households No vehicle 0.0% 1 vehicle 28.0% 2 vehicles 42.7% 3 or more 29.3%
Heating fuel
Fuel type % Utility gas 8.5% Fuel oil 85.4%
Households & families
Household type Count % Married-couple family 66 80.5% Cohabiting couple 0 0.0% Male householder, no spouse 0 0.0% Female householder, no spouse 16 19.5% Households with children under 18 21 25.6% Households with seniors (65+) 49 59.8% Average household size 2.82
Marital status
Status Male Female Never married 17.7% 3.3% Married 76.0% 65.2% Separated 6.3% 7.6% Widowed 0.0% 23.9% Divorced 0.0% 0.0%
Education
Some college, no degree
31.9%
Graduate / professional
20.2%
Metric % HS diploma or higher 100.0% Bachelor's or higher 20.2%
School enrollment (ages 3–17)
Type Count % Nursery / preschool 0 0.0% Kindergarten 0 0.0% Elementary school 36 100.0% High school 0 0.0% College / grad school 0 0.0%
Employment
Industry of employment
Professional & management
44.7%
Education & healthcare
12.6%
Transportation & utilities
5.8%
Occupation
Category % Management, business & arts 17.5% Service 0.0% Sales & office 56.3% Natural resources & construction 0.0% Production & transportation 26.2%
Employment type
Type % Private sector 95.1% Government 0.0% Self-employed 4.9% Unpaid family workers 0.0%
Commute
Method % Drive alone 73.6% Carpool 0.0% Public transit 5.5% Walk 0.0% Work from home 20.9% Other means 0.0% Avg commute (minutes) 20.1
Poverty
Married-couple families
0.0%
Female-led households
0.0%
Income support
Source % of households Social Security 48.8% Retirement income 54.9% Supplemental Security 0.0% Cash public assistance 0.0% Food stamps / SNAP 0.0%
Health indicators
Condition % Obesity 30.7% High blood pressure 36.8% High cholesterol 36.2% Diabetes 11.3% Heart disease 8.0% Stroke 3.8% Asthma 10.6% Arthritis 27.6% Kidney disease 3.6% Pulmonary disease 8.7% Cancer 7.7%
Behavior / access % Smoking 18.8% Binge drinking 15.8% No physical activity 26.4% Less than 7 hrs sleep 31.1% Depression 20.5% Fair or poor health 15.7% Poor mental health 14.3% Poor physical health 11.7% No health insurance 11.6% Visited doctor (checkup) 78.0% Visited dentist 62.4% Cholesterol screening 91.5% Teeth loss 15.9%
Veterans & disability
Veterans Count % Civilian veterans 6 3.2%
Disability % Any disability 30.3% Under 18 0.0% 18–64 years 26.1% 65 and over 53.2%
Health insurance coverage
Type % Private insurance 45.9% Public insurance 70.1% No insurance 0.0% Uninsured under 19 0.0%
Language & origin
Language spoken at home (age 5+)
Language Count % English only 224 97.0% Spanish 13 5.8% Other Indo-European 0 0.0% Asian & Pacific Islander 13 5.8% Other languages 0 0.0%
Place of birth & citizenship
Origin Count % Native born (US) 218 94.4% Born in same state 218 94.4% Born in different state 212 91.8% Foreign born 0 0.0% Naturalized citizen 13 5.6% Not a US citizen 13 100.0%
Ancestry
Ancestry Count % Italian 33 14.3% French 13 5.6%
Technology access
Metric % of households Computer access 35.5% Internet access 89.0%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 12435
What city is ZIP code 12435 in?
ZIP code 12435 is primarily assigned to Greenfield Park, New York.
What county is ZIP code 12435 in?
ZIP code 12435 falls within Ulster County, New York.
Does ZIP code 12435 have an older population?
33% of residents in ZIP code 12435 are 65 or older, above the national average of ~17%.
Does ZIP code 12435 have a large retiree population?
49% of households in ZIP code 12435 receive Social Security income, suggesting a significant retiree or disability population.
What is the population of ZIP code 12435?
ZIP code 12435 has an estimated population of 231 residents, with a density of 29 people per square mile.
What is the typical home value in ZIP code 12435?
The median home value in ZIP code 12435 is $266,300.
What timezone is ZIP code 12435 in?
ZIP code 12435 observes the EST timezone.
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