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New Hampshire ZIP Codes
Merrimack County
South Sutton, NH
03273
03273 ZIP Code — South Sutton, NH
Merrimack County, New Hampshire
ZIP code 03273 is located in
South Sutton ,
New Hampshire ,
within Merrimack County .
It covers approximately 4.62 square miles and serves a population of
309 residents.
This is a standard ZIP code in the Eastern (ET) timezone,
served by area code 603 .
About ZIP code 03273
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 $280,500.
Median household income is $176,103. 61% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is sales and office, with retail trade as the leading industry. An above-average commute of 38 minutes suggests many residents work outside the immediate area.
Educational attainment is high — 52% 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 14% of civilians, above the national average of 7%.
Overall, ZIP code 03273 reflects a community defined by a highly educated population, a strong veteran community, high homeownership, and a significant Social Security-dependent population.
03273 ZIP code map
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Cities in ZIP code 03273
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Demographics
updated 07/2026
Population
Total population
309
Population density
67 / sq mi
State FIPS
33
County FIPS
013
Geography
Land area
4.62 sq mi
Water area
0.23 sq mi
Latitude
43.3084
Longitude
-71.9165
Timezone
Eastern (ET)
Area code
603
Economics
updated 07/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
11.8%
30.8%
31.0%
$50k – $100k
24.5%
32.4%
31.2%
$100k – $200k
63.6%
28.6%
28.1%
Over $200k
0.0%
8.1%
9.7%
Demographics & statistics
$176,103
Median household income
$280,500
Median home value
52.0%
Bachelor's or higher
Age distribution
Age summary
Group Count % Under 18 46 14.9% 18 and over 263 85.1% 65 and over 103 33.3% Median age 47.7 years
Race & ethnicity
Group Count % White 164 48.4% Two or more races 115 33.9% Hispanic or Latino 30 8.8% Other race 30 8.8%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
11.8%
30.8%
31.0%
$50k – $100k
24.5%
32.4%
31.2%
$100k – $200k
63.6%
28.6%
28.1%
Over $200k
0.0%
8.1%
9.7%
Range % of households $75k–$100k 11.3% $100k–$150k 13.7% $150k–$200k 55.6% $200k+ 19.4% Median income $176,103
Housing
Housing overview
Metric Value Median home value $280,500 Median rent / month $0 Owner occupied 100.0% Renter occupied 0.0% Vacant 38.6% Single-family detached 100.0% Large apartment buildings 0.0% Mobile homes 0.0% Median rooms 10.0 Avg household size (owned) 2.49
Year built
Era % 2020 or later 0.0% 2010–2019 0.0% 2000–2009 4.5% 1990–1999 0.0% 1980–1989 7.4% 1970–1979 3.5% 1960–1969 8.9% 1950–1959 13.4% 1940–1949 0.0% 1939 or earlier 62.4%
Bedrooms
Size % of units No bedroom (studio) 6.9% 1 bedroom 0.0% 2 bedrooms 12.9% 3 bedrooms 67.8% 4 bedrooms 0.5% 5+ bedrooms 11.9%
Vehicles per household
Vehicles % of households No vehicle 0.0% 1 vehicle 0.0% 2 vehicles 73.4% 3 or more 26.6%
Heating fuel
Fuel type % Propane / LP gas 37.9% Wood 62.1%
Households & families
Household type Count % Married-couple family 119 96.0% Cohabiting couple 0 0.0% Male householder, no spouse 5 4.0% Female householder, no spouse 0 0.0% Households with children under 18 27 21.8% Households with seniors (65+) 76 61.3% Average household size 2.49
Marital status
Status Male Female Never married 34.1% 11.0% Married 65.9% 89.0% Separated 0.0% 0.0% Widowed 0.0% 0.0% Divorced 0.0% 0.0%
Education
Some college, no degree
4.0%
Graduate / professional
20.2%
Metric % HS diploma or higher 100.0% Bachelor's or higher 52.0%
School enrollment (ages 3–17)
Type Count % Nursery / preschool 0 0.0% Kindergarten 0 0.0% Elementary school 28 50.0% High school 10 17.9% College / grad school 18 32.1%
Employment
Industry of employment
Education & healthcare
18.3%
Arts, food & hospitality
7.3%
Public administration
6.1%
Professional & management
4.1%
Finance & real estate
3.7%
Transportation & utilities
0.4%
Occupation
Category % Management, business & arts 28.0% Service 7.3% Sales & office 58.5% Natural resources & construction 6.1% Production & transportation 0.0%
Employment type
Type % Private sector 82.9% Government 9.8% Self-employed 7.3% Unpaid family workers 0.0%
Commute
Method % Drive alone 89.9% Carpool 2.1% Public transit 0.0% Walk 0.0% Work from home 8.0% Other means 0.0% Avg commute (minutes) 37.6
Poverty
Married-couple families
0.0%
Female-led households
0.0%
Income support
Source % of households Social Security 61.3% Retirement income 66.9% Supplemental Security 54.8% Cash public assistance 0.0% Food stamps / SNAP 0.0%
Health indicators
Condition % Obesity 27.7% High blood pressure 33.1% High cholesterol 32.2% Diabetes 8.8% Heart disease 6.4% Stroke 2.7% Asthma 10.1% Arthritis 29.7% Kidney disease 2.7% Pulmonary disease 5.8% Cancer 8.7%
Behavior / access % Smoking 11.8% Binge drinking 16.2% No physical activity 15.1% Less than 7 hrs sleep 29.3% Depression 21.8% Fair or poor health 10.1% Poor mental health 11.9% Poor physical health 8.9% No health insurance 7.7% Visited doctor (checkup) 76.8% Visited dentist 75.0% Cholesterol screening 94.3% Teeth loss 8.4%
Veterans & disability
Veterans Count % Civilian veterans 38 14.4%
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 89.0% Public insurance 33.3% No insurance 11.0% Uninsured under 19 34.8%
Language & origin
Language spoken at home (age 5+)
Language Count % English only 309 100.0% 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) 241 78.0% Born in same state 195 63.1% Born in different state 88 28.5% Foreign born 46 14.9% Naturalized citizen 68 22.0% Not a US citizen 68 100.0%
Ancestry
Ancestry Count % Italian 169 54.7% French 58 18.8% German 46 14.9%
Ancestry Count % Arab 46 14.9% English 9 2.9%
Technology access
Metric % of households Computer access 40.1% Internet access 100.0%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 03273
What city is ZIP code 03273 in?
ZIP code 03273 is primarily assigned to South Sutton, New Hampshire.
What county is ZIP code 03273 in?
ZIP code 03273 falls within Merrimack County, New Hampshire.
Does ZIP code 03273 have a large retiree population?
61% of households in ZIP code 03273 receive Social Security income, suggesting a significant retiree or disability population.
Does ZIP code 03273 have an older population?
33% of residents in ZIP code 03273 are 65 or older, above the national average of ~17%.
How educated is the population of ZIP code 03273?
52% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.
Does ZIP code 03273 have a large veteran population?
14% of civilians in ZIP code 03273 are veterans, above the national average of ~7%.
What timezone is ZIP code 03273 in?
ZIP code 03273 observes the EST timezone.
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