Postal Codes

03753 ZIP Code

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ZIP code 03753 covers Grantham, New Hampshire, with a population of about 3,478 and a median household income of $113,317.

Population
3,478123 per square mile
Median age
50.912.2 points above the US average
Median household income
$113,3171.2× the New Hampshire median
Poverty rate
0%12.4 points below the US average
Typical home value
$513,537up 40.1% in five years
Degree or higher
61.3%26.3 points above the US average
Homeownership
100%35 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
48

Where 03753 is

Grantham, New Hampshire — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population3,478
Median age50.9
Family households81.1%
Born outside the US1.7%
Speaks a language other than English at home1.7%
White (non-Hispanic)99.6%
Black (non-Hispanic)0%
Asian (non-Hispanic)0%
Hispanic or Latino0.4%
Veterans10%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$113,317
Income per person$53,063
Poverty rate0%
Households on SNAP or cash assistance5.9%

Household income distribution

Under $10k0.0%
$10–15k0.0%
$15–20k5.7%
$20–25k0.0%
$25–30k0.0%
$30–35k5.0%
$35–40k0.3%
$40–45k4.1%
$45–50k0.0%
$50–60k0.0%
$60–75k18.7%
$75–100k7.1%
$100–125k10.5%
$125–150k6.2%
$150–200k16.2%
$200k or more26.2%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed1,990
Mean adjusted gross income$147,109
Returns declaring $200,000 or more19.1%
Returns, under $25k18.6%
Returns, $25k–$50k11.6%
Returns, $50k–$75k10.1%
Returns, $75k–$100k10.6%
Returns, $100k–$200k30.2%
Returns, $200k or more19.1%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$351,600
Owner-occupied100%
Vacant homes42.2%
Median year built1986

What the homes are

Detached house89.5%
Attached house3.3%
2 to 4 units1.9%
5 to 19 units5.3%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$513,537as of 2026-07
Typical home value, 1 yearup 2.1%
Typical home value, 5 yearsup 40.1%
Typical home value, 10 yearsup 112%
Typical home value since 2000
200020132026$513,537$173,190

$173,190 in 2000 to $513,537 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate3.1%
Bachelor's degree or higher61.3%
High school diploma or higher98.2%
Works from home11.2%
Drives to work alone75.7%
Takes public transport0%
Commutes 45 minutes or more12.6%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity30.8% 2.6 pts below the national average of 33.4%
Diagnosed diabetes10.2% 1.8 pts below the national average of 12%
Currently smokes9.6% 3.6 pts below the national average of 13.2%
High blood pressure35.2% 1.1 pts above the national average of 34.1%
Fair or poor general health13.4% 6.9 pts below the national average of 20.3%
No health insurance (18–64)5.5% 5.8 pts below the national average of 11.3%
Depression22.4% 0.5 pts above the national average of 21.9%
No leisure-time physical activity20% 5.4 pts below the national average of 25.4%
Arthritis31.4% 6.3 pts above the national average of 25.1%
Binge drinking14.6% 1.4 pts below the national average of 16%
Taking blood pressure medication78.7% 4 pts above the national average of 74.7%
Cancer (non-skin)11.6% 3.9 pts above the national average of 7.7%
Current asthma10.4% same as the national average of 10.4%
Coronary heart disease6.7% 0.5 pts above the national average of 6.2%
Routine check-up in past year78.8% 2.1 pts above the national average of 76.7%
Cholesterol screening90.5% 4.6 pts above the national average of 85.9%
Cognitive disability10.4% 4.4 pts below the national average of 14.8%
Colorectal screening69.7% 5.4 pts above the national average of 64.3%
COPD6.3% same as the national average of 6.6%
Visited a dentist73.4% 12.1 pts above the national average of 61.3%
Any disability25.4% 5.3 pts below the national average of 30.7%
Lacks emotional support19.5% 5.3 pts below the national average of 24.8%
Food insecurity7.4% 9.7 pts below the national average of 17.1%
Received food stamps5.2% 9.1 pts below the national average of 14.3%
Hearing disability7.9% 1.2 pts above the national average of 6.7%
High cholesterol38.4% 2.2 pts above the national average of 36.2%
Housing insecurity6.5% 7.3 pts below the national average of 13.8%
Independent living disability6% 2.4 pts below the national average of 8.4%
Lacks transport4.7% 4.5 pts below the national average of 9.2%
Loneliness26.7% 7.7 pts below the national average of 34.4%
Mammography use83.7% 7.8 pts above the national average of 75.9%
Poor mental health (14+ days)13.4% 3.4 pts below the national average of 16.8%
Mobility disability11.9% 2.1 pts below the national average of 14%
Poor physical health (14+ days)11.5% 2 pts below the national average of 13.5%
Self-care disability2.9% 1.1 pts below the national average of 4%
Utility shut-off threat4.5% 4.3 pts below the national average of 8.8%
Sleeps under 7 hours30.1% 6.3 pts below the national average of 36.4%
Stroke3.4% same as the national average of 3.4%
All natural teeth lost5.2% 7.8 pts below the national average of 13%
Vision disability3.6% 2 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments48
People employed257
Annual payroll$10,293,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 48.5% of US census tracts
FEMA ratingRelatively Low
Expected annual loss68.6 out of 100
Community resilience58.4 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Landslide95.7Relatively Moderate at its worst in this ZIP code
Ice storm79.5Relatively Moderate at its worst in this ZIP code
River flooding78.9Relatively High at its worst in this ZIP code
Lightning78.1Relatively High at its worst in this ZIP code
Winter weather73.4Relatively Moderate at its worst in this ZIP code
Hurricane67Relatively Low at its worst in this ZIP code
Wildfire63.8Very Low at its worst in this ZIP code
Strong wind60.5Relatively Moderate at its worst in this ZIP code
Cold wave54.2Relatively Moderate at its worst in this ZIP code
Hail47.4Relatively Low at its worst in this ZIP code
Heat wave42.8Relatively Low at its worst in this ZIP code
Earthquake35.3Very Low at its worst in this ZIP code
Tornado34.7Relatively Low at its worst in this ZIP code
Avalanche10.7Very Low at its worst in this ZIP code
Compared with New Hampshire and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPNew HampshireUnited States
Median household income$113,317$95,628$78,538
Income per person$53,063$50,867$43,289
Poverty rate0%7.2%12.4%
Median home value$351,600$367,200$303,400
Median gross rent$1,423$1,348
Homeownership100%72.5%65%
Bachelor's degree or higher61.3%39.8%35%
Unemployment rate3.1%3.4%5.2%
Works from home11.2%15.1%13.5%
Born outside the US1.7%6.2%13.9%
Median age50.943.238.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationNEWPORT, NH US15.3 km away
Rain in a year42 in
Snow in a year66 in

Average high and low by month

January29.3°F / 9.1°F2.73 in rain, 15.2 in snow
February32.4°F / 10°F2.36 in rain, 16.7 in snow
March40.6°F / 18.8°F2.96 in rain, 12.7 in snow
April53.6°F / 30.5°F3.26 in rain, 3.3 in snow
May66.4°F / 41.8°F3.33 in rain
June74.9°F / 51.5°F4.23 in rain
July80.1°F / 56.4°F4.19 in rain
August78.6°F / 54.3°F3.75 in rain
September71°F / 46.6°F3.53 in rain
October58°F / 35.5°F4.88 in rain, 0.5 in snow
November45.5°F / 26.7°F3.19 in rain, 2.8 in snow
December34.8°F / 17°F3.54 in rain, 14.9 in snow
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 2 school districts, so the address decides which one, not the ZIP code.

Grantham School District96.4% of this ZIP code's land area
Kearsarge Regional School District3.6% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability18more vulnerable than 18% of US census tracts
Socioeconomic status20more vulnerable than 20% of US census tracts
Household characteristics31more vulnerable than 31% of US census tracts
Racial and ethnic minority status1more vulnerable than 1% of US census tracts
Housing type and transport33more vulnerable than 33% of US census tracts
Walkability5.5 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

03284 Springfield, NH7.2 km away
03749 Enfield Center, NH8.6 km away
03751 Georges Mills, NH10.2 km away
03770 Meriden, NH11.7 km away
03746 Cornish Flat, NH11.9 km away
03781 Plainfield, NH12 km away
03748 Enfield, NH12.8 km away
03782 Sunapee, NH14.1 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Sullivan County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area28.23 sq mi
Water area0.85 sq mi
Population density123 people per sq mi
Latitude, longitude43.5103, -72.1334

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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