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New Hampshire ZIP Codes
Merrimack County
Newbury, NH
03255
03255 ZIP Code — Newbury, NH
Merrimack County, New Hampshire
ZIP code 03255 is located in
Newbury ,
New Hampshire ,
within Merrimack County .
It covers approximately 35.82 square miles and serves a population of
1,899 residents.
This is a standard ZIP code in the Eastern (ET) timezone,
served by area code 603 .
About ZIP code 03255
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 2000s, giving the area an established character. Median home value is $408,300. Owner-occupancy is high at 87%, well above the national average.
Median household income is $117,500. The poverty rate of 3% is below the national average. 37% 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 34 minutes is near the national average.
Educational attainment is high — 60% of residents hold a bachelor's degree or higher, well above the national average of 33%.
Notable community characteristics include a notable veteran presence at 11% of civilians, above the national average of 7%.
Overall, ZIP code 03255 reflects a community defined by a highly educated population, a strong veteran community, high homeownership, and a significant Social Security-dependent population.
03255 ZIP code map
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Cities in ZIP code 03255
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Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
1,899
Population density
53 / sq mi
State FIPS
33
County FIPS
013
Geography
Land area
35.82 sq mi
Water area
2.26 sq mi
Latitude
43.3227
Longitude
-72.0065
Timezone
Eastern (ET)
Area code
603
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
21.5%
30.8%
31.0%
$50k – $100k
31.4%
32.4%
31.2%
$100k – $200k
31.2%
28.6%
28.1%
Over $200k
15.9%
8.1%
9.7%
Demographics & statistics
$117,500
Median household income
$408,300
Median home value
59.9%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 387 20.4%
18 and over 1,512 79.6%
65 and over 392 20.6%
Median age 48.5 years
Race & ethnicity
Black or African American
1.1%
Group Count %
White 1,824 96.1%
Two or more races 28 1.5%
Asian 27 1.4%
Black or African American 20 1.1%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
21.5%
30.8%
31.0%
$50k – $100k
31.4%
32.4%
31.2%
$100k – $200k
31.2%
28.6%
28.1%
Over $200k
15.9%
8.1%
9.7%
Range % of households
Under $10k 2.3%
$10k–$15k 2.3%
$15k–$25k 5.3%
$25k–$35k 4.4%
$35k–$50k 4.2%
$50k–$75k 10.1%
$75k–$100k 10.6%
$100k–$150k 27.0%
$150k–$200k 14.6%
$200k+ 19.3%
Median income $117,500
Housing
Housing overview
Metric Value
Median home value $408,300
Median rent / month $482
Owner occupied 87.3%
Renter occupied 12.7%
Vacant 50.8%
Single-family detached 92.0%
Large apartment buildings 2.7%
Mobile homes 1.2%
Median rooms 6.2
Avg household size (owned) 2.76
Year built
Era %
2020 or later 0.3%
2010–2019 10.3%
2000–2009 23.3%
1990–1999 14.5%
1980–1989 17.0%
1970–1979 10.6%
1960–1969 5.4%
1950–1959 6.8%
1940–1949 0.0%
1939 or earlier 11.8%
Bedrooms
Size % of units
No bedroom (studio) 2.1%
1 bedroom 3.1%
2 bedrooms 16.2%
3 bedrooms 59.3%
4 bedrooms 17.2%
5+ bedrooms 2.1%
Vehicles per household
Vehicles % of households
No vehicle 3.9%
1 vehicle 22.0%
2 vehicles 41.0%
3 or more 33.2%
Heating fuel
Fuel type %
Electricity 2.6%
Propane / LP gas 43.4%
Fuel oil 45.3%
Wood 5.9%
Households & families
Household type Count %
Married-couple family 461 62.1%
Cohabiting couple 50 6.7%
Male householder, no spouse 104 14.0%
Female householder, no spouse 127 17.1%
Households with children under 18 179 24.1%
Households with seniors (65+) 278 37.5%
Average household size 2.56
Marital status
Status Male Female
Never married 27.2% 14.1%
Married 59.9% 64.4%
Separated 1.4% 0.8%
Widowed 1.7% 6.3%
Divorced 9.8% 14.5%
Education
Some college, no degree
14.2%
Graduate / professional
21.8%
Metric %
HS diploma or higher 98.6%
Bachelor's or higher 59.9%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 45 11.5%
Kindergarten 17 4.3%
Elementary school 151 38.4%
High school 100 25.4%
College / grad school 80 20.4%
Employment
Industry of employment
Education & healthcare
28.3%
Arts, food & hospitality
9.0%
Public administration
6.5%
Professional & management
5.9%
Transportation & utilities
2.2%
Agriculture & mining
0.7%
Finance & real estate
0.4%
Occupation
Category %
Management, business & arts 52.3%
Service 10.3%
Sales & office 16.8%
Natural resources & construction 8.3%
Production & transportation 12.3%
Employment type
Type %
Private sector 70.7%
Government 16.0%
Self-employed 12.7%
Unpaid family workers 0.5%
Commute
Method %
Drive alone 78.5%
Carpool 4.5%
Public transit 0.0%
Walk 1.2%
Work from home 14.7%
Other means 1.1%
Avg commute (minutes) 34.0
Poverty
Married-couple families
2.6%
Female-led households
0.0%
Income support
Source % of households
Social Security 36.5%
Retirement income 31.3%
Supplemental Security 2.2%
Cash public assistance 3.4%
Food stamps / SNAP 2.4%
Health indicators
Condition %
Obesity 27.7%
High blood pressure 31.0%
High cholesterol 30.6%
Diabetes 8.1%
Heart disease 5.7%
Stroke 2.5%
Asthma 10.3%
Arthritis 28.0%
Kidney disease 2.5%
Pulmonary disease 5.4%
Cancer 8.0%
Behavior / access %
Smoking 12.0%
Binge drinking 17.1%
No physical activity 14.9%
Less than 7 hrs sleep 29.7%
Depression 22.5%
Fair or poor health 9.8%
Poor mental health 12.5%
Poor physical health 8.7%
No health insurance 7.8%
Visited doctor (checkup) 75.7%
Visited dentist 74.9%
Cholesterol screening 93.7%
Teeth loss 8.2%
Veterans & disability
Veterans Count %
Civilian veterans 167 11.1%
Disability %
Any disability 8.5%
Under 18 1.6%
18–64 years 4.8%
65 and over 26.0%
Health insurance coverage
Type %
Private insurance 86.6%
Public insurance 25.6%
No insurance 3.1%
Uninsured under 19 1.3%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 1,782 93.8%
Spanish 13 0.7%
Other Indo-European 0 0.0%
Asian & Pacific Islander 6 0.3%
Other languages 7 0.4%
Place of birth & citizenship
Origin Count %
Native born (US) 1,868 98.4%
Born in same state 1,868 98.4%
Born in different state 657 34.6%
Foreign born 0 0.0%
Naturalized citizen 31 1.6%
Not a US citizen 13 41.9%
Ancestry
Ancestry Count %
French 499 26.3%
Italian 356 18.7%
Arab 246 13%
German 59 3.1%
Polish 46 2.4%
Ancestry Count %
English 26 1.4%
Irish 11 0.6%
Dutch 10 0.5%
Norwegian 9 0.5%
Technology access
Metric % of households
Computer access 39.1%
Internet access 98.0%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 03255
What city is ZIP code 03255 in?
ZIP code 03255 is primarily assigned to Newbury, New Hampshire.
What county is ZIP code 03255 in?
ZIP code 03255 falls within Merrimack County, New Hampshire.
How educated is the population of ZIP code 03255?
60% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.
Is ZIP code 03255 mostly owner-occupied?
87% of occupied units in ZIP code 03255 are owner-occupied, well above the national average.
Does ZIP code 03255 have a large retiree population?
37% of households in ZIP code 03255 receive Social Security income, suggesting a significant retiree or disability population.
Does ZIP code 03255 have a large veteran population?
11% of civilians in ZIP code 03255 are veterans, above the national average of ~7%.
What timezone is ZIP code 03255 in?
ZIP code 03255 observes the EST timezone.
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