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Connecticut ZIP Codes
Windham County
North Grosvenordale, CT
06255
06255 ZIP Code — North Grosvenordale, CT
Windham County, Connecticut
ZIP code 06255 is located in
North Grosvenordale ,
Connecticut ,
within Windham County .
It covers approximately 23.07 square miles and serves a population of
4,221 residents.
This is a standard ZIP code in the Eastern (ET) timezone,
served by area code 860 .
About ZIP code 06255
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 $266,100. Owner-occupancy is high at 77%, well above the national average.
Median household income is $87,000. The poverty rate of 7% is below the national average. 46% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 28 minutes is near the national average.
Educational attainment is near the national average, with 28% of residents holding a bachelor's degree or higher.
Overall, ZIP code 06255 reflects a community defined by high homeownership and a significant Social Security-dependent population.
06255 ZIP code map
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Cities in ZIP code 06255
Below are the cities the US Postal Service accepts for ZIP code 06255. Using any city not on this list may result in mail delivery delays.
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
4,221
Population density
183 / sq mi
State FIPS
09
County FIPS
015
Geography
Land area
23.07 sq mi
Water area
0.73 sq mi
Latitude
41.9786
Longitude
-71.9020
Timezone
Eastern (ET)
Area code
860
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
32.6%
36.5%
32.0%
$50k – $100k
33.3%
33.6%
27.7%
$100k – $200k
29.2%
23.1%
27.1%
Over $200k
4.9%
6.9%
13.2%
Demographics & statistics
$87,000
Median household income
$266,100
Median home value
28.4%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 633 15.0%
18 and over 3,588 85.0%
65 and over 929 22.0%
Median age 52.0 years
Race & ethnicity
Black or African American
0.5%
Group Count %
White 4,025 92.6%
Hispanic or Latino 128 2.9%
Two or more races 119 2.7%
Other race 54 1.2%
Black or African American 23 0.5%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
32.6%
36.5%
32.0%
$50k – $100k
33.3%
33.6%
27.7%
$100k – $200k
29.2%
23.1%
27.1%
Over $200k
4.9%
6.9%
13.2%
Range % of households
Under $10k 2.3%
$10k–$15k 3.2%
$15k–$25k 8.0%
$25k–$35k 4.6%
$35k–$50k 6.6%
$50k–$75k 13.4%
$75k–$100k 16.9%
$100k–$150k 21.1%
$150k–$200k 16.3%
$200k+ 7.5%
Median income $87,000
Housing
Housing overview
Metric Value
Median home value $266,100
Median rent / month $961
Owner occupied 76.7%
Renter occupied 23.3%
Vacant 6.1%
Single-family detached 75.4%
Large apartment buildings 3.0%
Mobile homes 2.3%
Median rooms 5.7
Avg household size (owned) 2.29
Year built
Era %
2020 or later 0.0%
2010–2019 1.4%
2000–2009 5.0%
1990–1999 11.0%
1980–1989 10.1%
1970–1979 16.5%
1960–1969 12.9%
1950–1959 13.3%
1940–1949 5.3%
1939 or earlier 24.4%
Bedrooms
Size % of units
No bedroom (studio) 0.0%
1 bedroom 14.1%
2 bedrooms 21.7%
3 bedrooms 47.5%
4 bedrooms 14.5%
5+ bedrooms 2.1%
Vehicles per household
Vehicles % of households
No vehicle 2.8%
1 vehicle 28.6%
2 vehicles 40.1%
3 or more 28.5%
Heating fuel
Fuel type %
Electricity 12.4%
Propane / LP gas 4.3%
Fuel oil 70.2%
Wood 12.0%
Households & families
Household type Count %
Married-couple family 920 48.9%
Cohabiting couple 243 12.9%
Male householder, no spouse 281 14.9%
Female householder, no spouse 438 23.3%
Households with children under 18 417 22.2%
Households with seniors (65+) 730 38.8%
Average household size 2.24
Marital status
Status Male Female
Never married 27.5% 27.5%
Married 51.8% 47.2%
Separated 0.5% 2.2%
Widowed 6.1% 5.8%
Divorced 14.1% 17.2%
Education
Some college, no degree
16.1%
Graduate / professional
12.5%
Metric %
HS diploma or higher 92.5%
Bachelor's or higher 28.4%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 36 5.4%
Kindergarten 61 9.2%
Elementary school 240 36.1%
High school 188 28.3%
College / grad school 140 21.1%
Employment
Industry of employment
Education & healthcare
28.6%
Arts, food & hospitality
8.2%
Finance & real estate
6.4%
Transportation & utilities
6.1%
Professional & management
4.4%
Public administration
3.0%
Agriculture & mining
0.2%
Occupation
Category %
Management, business & arts 35.0%
Service 12.7%
Sales & office 26.2%
Natural resources & construction 12.0%
Production & transportation 14.1%
Employment type
Type %
Private sector 84.7%
Government 10.2%
Self-employed 5.1%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 84.0%
Carpool 6.9%
Public transit 0.0%
Walk 1.9%
Work from home 7.2%
Other means 0.0%
Avg commute (minutes) 28.4
Poverty
Married-couple families
0.9%
Female-led households
12.2%
Income support
Source % of households
Social Security 46.2%
Retirement income 32.4%
Supplemental Security 6.4%
Cash public assistance 7.0%
Food stamps / SNAP 12.0%
Health indicators
Condition %
Obesity 32.6%
High blood pressure 30.7%
High cholesterol 33.6%
Diabetes 8.9%
Heart disease 5.9%
Stroke 2.7%
Asthma 10.5%
Arthritis 25.3%
Kidney disease 2.5%
Pulmonary disease 6.5%
Cancer 7.1%
Behavior / access %
Smoking 16.7%
Binge drinking 18.3%
No physical activity 20.8%
Less than 7 hrs sleep 33.4%
Depression 23.0%
Fair or poor health 11.5%
Poor mental health 14.4%
Poor physical health 9.4%
No health insurance 8.5%
Visited doctor (checkup) 76.9%
Visited dentist 71.8%
Cholesterol screening 91.4%
Teeth loss 10.8%
Veterans & disability
Veterans Count %
Civilian veterans 327 9.1%
Disability %
Any disability 15.5%
Under 18 1.7%
18–64 years 12.2%
65 and over 34.2%
Health insurance coverage
Type %
Private insurance 76.3%
Public insurance 39.6%
No insurance 4.3%
Uninsured under 19 0.0%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 4,040 95.7%
Spanish 47 1.2%
Other Indo-European 0 0.0%
Asian & Pacific Islander 47 1.2%
Other languages 0 0.0%
Place of birth & citizenship
Origin Count %
Native born (US) 4,122 97.7%
Born in same state 4,031 95.5%
Born in different state 1,566 37.1%
Foreign born 91 2.2%
Naturalized citizen 99 2.3%
Not a US citizen 54 54.5%
Ancestry
Ancestry Count %
Italian 579 13.7%
German 387 9.2%
French 261 6.2%
Ancestry Count %
Arab 58 1.4%
Polish 25 0.6%
English 14 0.3%
Technology access
Metric % of households
Computer access 44.6%
Internet access 94.1%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 06255
What city is ZIP code 06255 in?
ZIP code 06255 is primarily assigned to North Grosvenordale, Connecticut.
What county is ZIP code 06255 in?
ZIP code 06255 falls within Windham County, Connecticut.
Does ZIP code 06255 have a large retiree population?
46% of households in ZIP code 06255 receive Social Security income, suggesting a significant retiree or disability population.
Does ZIP code 06255 have a large veteran population?
9% of civilians in ZIP code 06255 are veterans, above the national average of ~7%.
What is the population of ZIP code 06255?
ZIP code 06255 has an estimated population of 4,221 residents, with a density of 183 people per square mile.
What is the median household income in ZIP code 06255?
The median household income in ZIP code 06255 is $87,000, above the national median of ~$75,000.
What timezone is ZIP code 06255 in?
ZIP code 06255 observes the EST timezone.
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