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New Hampshire ZIP Codes
Grafton County
Hanover, NH
03755
03755 ZIP Code — Hanover, NH
Grafton County, New Hampshire
ZIP code 03755 is located in
Hanover ,
New Hampshire ,
within Grafton County .
It covers approximately 29.20 square miles and serves a population of
10,170 residents.
This is a standard ZIP code in the Eastern (ET) timezone,
served by area code 603 .
About ZIP code 03755
The housing stock consists of a mix of housing types. Most homes were built in the pre-1940, giving the area an established character. Median home value is $678,500. Owner-occupancy sits near the national average at 66%.
The gap between median ($152,865) and mean household income suggests income inequality — a small number of higher earners pull the average up. 41% 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 17 minutes is near the national average. Remote work is prevalent — 22% of workers work from home.
Educational attainment is high — 86% of residents hold a bachelor's degree or higher, well above the national average of 33%.
Overall, ZIP code 03755 reflects a community defined by a highly educated population, a high rate of remote workers, and a significant Social Security-dependent population.
03755 ZIP code map
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Cities in ZIP code 03755
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Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
10,170
Population density
348 / sq mi
State FIPS
33
County FIPS
009
Geography
Land area
29.20 sq mi
Water area
0.95 sq mi
Latitude
43.7161
Longitude
-72.1975
Timezone
Eastern (ET)
Area code
603
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
31.8%
37.5%
31.0%
$50k – $100k
19.3%
32.1%
31.2%
$100k – $200k
20.0%
21.7%
28.1%
Over $200k
28.9%
8.6%
9.7%
Demographics & statistics
$152,865
Median household income
$678,500
Median home value
$2,024
Median monthly rent
85.6%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 1,138 11.2%
18 and over 9,032 88.8%
65 and over 1,794 17.6%
Median age 26.2 years
Race & ethnicity
Black or African American
3.9%
American Indian / Alaska Native
0.4%
Native Hawaiian / Pacific Islander
0.1%
Group Count %
White 7,444 69.6%
Asian 1,137 10.6%
Two or more races 959 9%
Hispanic or Latino 528 4.9%
Black or African American 412 3.9%
Other race 168 1.6%
American Indian / Alaska Native 39 0.4%
Native Hawaiian / Pacific Islander 11 0.1%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
31.8%
37.5%
31.0%
$50k – $100k
19.3%
32.1%
31.2%
$100k – $200k
20.0%
21.7%
28.1%
Over $200k
28.9%
8.6%
9.7%
Range % of households
Under $10k 4.2%
$10k–$15k 6.8%
$15k–$25k 2.6%
$25k–$35k 2.5%
$35k–$50k 3.9%
$50k–$75k 11.1%
$75k–$100k 7.6%
$100k–$150k 10.6%
$150k–$200k 12.0%
$200k+ 38.8%
Median income $152,865
Housing
Housing overview
Metric Value
Median home value $678,500
Median rent / month $2,024
Owner occupied 65.6%
Renter occupied 34.4%
Vacant 20.7%
Single-family detached 56.9%
Large apartment buildings 10.7%
Mobile homes 1.4%
Median rooms 6.2
Avg household size (owned) 2.60
Year built
Era %
2020 or later 0.2%
2010–2019 2.6%
2000–2009 7.6%
1990–1999 18.4%
1980–1989 16.4%
1970–1979 11.0%
1960–1969 9.9%
1950–1959 9.8%
1940–1949 2.6%
1939 or earlier 21.5%
Bedrooms
Size % of units
No bedroom (studio) 3.2%
1 bedroom 18.3%
2 bedrooms 20.4%
3 bedrooms 28.8%
4 bedrooms 23.0%
5+ bedrooms 6.3%
Vehicles per household
Vehicles % of households
No vehicle 9.9%
1 vehicle 33.1%
2 vehicles 41.9%
3 or more 15.1%
Heating fuel
Fuel type %
Utility gas 10.7%
Electricity 12.3%
Propane / LP gas 24.5%
Fuel oil 49.2%
Wood 0.6%
No fuel used 0.6%
Households & families
Household type Count %
Married-couple family 1,497 54.1%
Cohabiting couple 149 5.4%
Male householder, no spouse 385 13.9%
Female householder, no spouse 735 26.6%
Households with children under 18 663 24.0%
Households with seniors (65+) 1,224 44.3%
Average household size 2.31
Marital status
Status Male Female
Never married 55.2% 52.0%
Married 40.5% 35.6%
Separated 0.0% 0.2%
Widowed 1.9% 7.9%
Divorced 2.4% 4.3%
Education
Some college, no degree
5.1%
Graduate / professional
60.9%
Metric %
HS diploma or higher 97.3%
Bachelor's or higher 85.6%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 60 1.2%
Kindergarten 42 0.8%
Elementary school 451 9.1%
High school 220 4.4%
College / grad school 4,196 84.4%
Employment
Industry of employment
Education & healthcare
61.6%
Professional & management
11.5%
Arts, food & hospitality
7.1%
Finance & real estate
2.0%
Agriculture & mining
0.9%
Public administration
0.6%
Transportation & utilities
0.2%
Occupation
Category %
Management, business & arts 72.8%
Service 6.0%
Sales & office 15.5%
Natural resources & construction 1.7%
Production & transportation 4.0%
Employment type
Type %
Private sector 81.9%
Government 9.5%
Self-employed 8.1%
Unpaid family workers 0.6%
Commute
Method %
Drive alone 56.3%
Carpool 4.8%
Public transit 0.5%
Walk 14.2%
Work from home 22.0%
Other means 2.3%
Avg commute (minutes) 16.9
Poverty
Married-couple families
0.9%
Female-led households
0.0%
Income support
Source % of households
Social Security 41.0%
Retirement income 28.6%
Supplemental Security 3.1%
Cash public assistance 0.0%
Food stamps / SNAP 0.3%
Health indicators
Condition %
Obesity 23.5%
High blood pressure 18.5%
High cholesterol 20.8%
Diabetes 5.2%
Heart disease 4.0%
Stroke 1.7%
Asthma 10.4%
Arthritis 16.0%
Kidney disease 1.9%
Pulmonary disease 3.6%
Cancer 5.2%
Behavior / access %
Smoking 8.3%
Binge drinking 17.7%
No physical activity 13.3%
Less than 7 hrs sleep 27.0%
Depression 21.7%
Fair or poor health 7.8%
Poor mental health 14.9%
Poor physical health 6.4%
No health insurance 9.6%
Visited doctor (checkup) 71.6%
Visited dentist 71.8%
Cholesterol screening 85.2%
Teeth loss 9.5%
Veterans & disability
Veterans Count %
Civilian veterans 317 3.5%
Disability %
Any disability 7.6%
Under 18 2.2%
18–64 years 3.5%
65 and over 28.6%
Health insurance coverage
Type %
Private insurance 92.3%
Public insurance 17.5%
No insurance 1.9%
Uninsured under 19 0.0%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 9,972 98.1%
Spanish 237 2.4%
Other Indo-European 8 0.1%
Asian & Pacific Islander 23 0.2%
Other languages 198 2.0%
Place of birth & citizenship
Origin Count %
Native born (US) 8,498 83.6%
Born in same state 8,267 81.3%
Born in different state 1,495 14.7%
Foreign born 231 2.3%
Naturalized citizen 1,672 16.4%
Not a US citizen 788 47.1%
Ancestry
Ancestry Count %
French 1,739 17.1%
Italian 1,236 12.2%
Arab 342 3.4%
Polish 259 2.5%
German 117 1.2%
Ancestry Count %
English 77 0.8%
Irish 36 0.4%
Norwegian 25 0.2%
Dutch 12 0.1%
Technology access
Metric % of households
Computer access 27.2%
Internet access 93.9%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 03755
What city is ZIP code 03755 in?
ZIP code 03755 is primarily assigned to Hanover, New Hampshire.
What county is ZIP code 03755 in?
ZIP code 03755 falls within Grafton County, New Hampshire.
How educated is the population of ZIP code 03755?
86% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.
Does ZIP code 03755 have a large retiree population?
41% of households in ZIP code 03755 receive Social Security income, suggesting a significant retiree or disability population.
What is the median household income in ZIP code 03755?
The median household income in ZIP code 03755 is $152,865, above the national median of ~$75,000.
What is the typical home value in ZIP code 03755?
The median home value in ZIP code 03755 is $678,500.
What timezone is ZIP code 03755 in?
ZIP code 03755 observes the EST timezone.
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