Postal Codes

03874 ZIP Code

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ZIP code 03874 covers Seabrook, New Hampshire, with a population of about 8,613 and a median household income of $87,000.

Population
8,613963 per square mile
Median age
53.414.7 points above the US average
Median household income
$87,0009% below the New Hampshire median
Poverty rate
11.2%1.2 points below the US average
Typical home value
$669,510up 31.9% in five years
Median rent
$1,435about the New Hampshire median
Degree or higher
26%9 points below the US average
Homeownership
71.1%6.1 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
355

Where 03874 is

Seabrook, 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

Population8,613
Median age53.4
Family households60.8%
Born outside the US2.7%
Speaks a language other than English at home5.2%
White (non-Hispanic)89.7%
Black (non-Hispanic)0.7%
Asian (non-Hispanic)0.7%
Hispanic or Latino3.5%
Veterans10.4%
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$87,000
Income per person$50,241
Poverty rate11.2%
Households on SNAP or cash assistance10.4%

Household income distribution

Under $10k3.4%
$10–15k4.3%
$15–20k6.1%
$20–25k3.0%
$25–30k4.6%
$30–35k4.3%
$35–40k3.0%
$40–45k2.6%
$45–50k1.8%
$50–60k5.3%
$60–75k5.7%
$75–100k14.4%
$100–125k14.4%
$125–150k3.7%
$150–200k8.8%
$200k or more14.6%

Income as declared to the IRS

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

Tax returns filed5,110
Mean adjusted gross income$84,896
Returns declaring $200,000 or more6.7%
Returns, under $25k24.5%
Returns, $25k–$50k24.3%
Returns, $50k–$75k17.2%
Returns, $75k–$100k10.8%
Returns, $100k–$200k16.6%
Returns, $200k or more6.7%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$435,100
Median gross rent$1,435
Rent as a share of household income34.7%
Owner-occupied71.1%
Vacant homes11.7%
Median year built1986

What the homes are

Detached house47.1%
Attached house5.6%
2 to 4 units11.5%
5 to 19 units8.3%
20 or more units8.1%
Mobile home19.3%
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$669,510as of 2026-07
Typical home value, 1 yearup 2.6%
Typical home value, 5 yearsup 31.9%
Typical home value, 10 yearsup 98.1%
Typical asking rent$2,400as of 2026-07
Typical home value since 2000
200020132026$669,510$149,950

$149,950 in 2000 to $669,510 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate9.2%
Bachelor's degree or higher26%
High school diploma or higher91.2%
Works from home7.9%
Drives to work alone82.8%
Takes public transport0.9%
Commutes 45 minutes or more15.1%
Health

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

Obesity34.1% 0.7 pts above the national average of 33.4%
Diagnosed diabetes11.3% 0.7 pts below the national average of 12%
Currently smokes13.3% same as the national average of 13.2%
High blood pressure39.5% 5.4 pts above the national average of 34.1%
Fair or poor general health16.9% 3.4 pts below the national average of 20.3%
No health insurance (18–64)7.3% 4 pts below the national average of 11.3%
Depression22.8% 0.9 pts above the national average of 21.9%
No leisure-time physical activity23.7% 1.7 pts below the national average of 25.4%
Arthritis30.9% 5.8 pts above the national average of 25.1%
Binge drinking14.3% 1.7 pts below the national average of 16%
Taking blood pressure medication78.9% 4.2 pts above the national average of 74.7%
Cancer (non-skin)10.7% 3 pts above the national average of 7.7%
Current asthma10.8% same as the national average of 10.4%
Coronary heart disease7.2% 1 pts above the national average of 6.2%
Routine check-up in past year79.4% 2.7 pts above the national average of 76.7%
Cholesterol screening89% 3.1 pts above the national average of 85.9%
Cognitive disability12.9% 1.9 pts below the national average of 14.8%
Colorectal screening69.7% 5.4 pts above the national average of 64.3%
COPD8% 1.4 pts above the national average of 6.6%
Visited a dentist68.1% 6.8 pts above the national average of 61.3%
Any disability29.2% 1.5 pts below the national average of 30.7%
Lacks emotional support21.3% 3.5 pts below the national average of 24.8%
Food insecurity11.7% 5.4 pts below the national average of 17.1%
Received food stamps8.2% 6.1 pts below the national average of 14.3%
Hearing disability8.5% 1.8 pts above the national average of 6.7%
High cholesterol39.5% 3.3 pts above the national average of 36.2%
Housing insecurity8.9% 4.9 pts below the national average of 13.8%
Independent living disability7.6% 0.8 pts below the national average of 8.4%
Lacks transport6.3% 2.9 pts below the national average of 9.2%
Loneliness29% 5.4 pts below the national average of 34.4%
Mammography use77.2% 1.3 pts above the national average of 75.9%
Poor mental health (14+ days)15.9% 0.9 pts below the national average of 16.8%
Mobility disability13.7% same as the national average of 14%
Poor physical health (14+ days)13.9% same as the national average of 13.5%
Self-care disability3.7% same as the national average of 4%
Utility shut-off threat6.2% 2.6 pts below the national average of 8.8%
Sleeps under 7 hours33.4% 3 pts below the national average of 36.4%
Stroke3.8% same as the national average of 3.4%
All natural teeth lost10.7% 2.3 pts below the national average of 13%
Vision disability4.6% 1 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments355
People employed6,050
Annual payroll$332,876,000
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 59.1% of US census tracts
FEMA ratingRelatively Low to Relatively High across the 4 census tracts this ZIP code covers
Expected annual loss57.5 out of 100
Community resilience70.9 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.

Coastal flooding89.2Very High at its worst in this ZIP code
River flooding76.9Relatively High at its worst in this ZIP code
Ice storm74.6Relatively Moderate at its worst in this ZIP code
Hurricane73.9Relatively Low at its worst in this ZIP code
Earthquake69.3Relatively Low at its worst in this ZIP code
Wildfire55Very Low at its worst in this ZIP code
Landslide51.8Very Low at its worst in this ZIP code
Strong wind47.3Relatively Moderate at its worst in this ZIP code
Lightning43.4Relatively Moderate at its worst in this ZIP code
Winter weather41.9Relatively Moderate at its worst in this ZIP code
Tornado41.4Relatively Low at its worst in this ZIP code
Cold wave31.3Relatively Low at its worst in this ZIP code
Hail30.3Very Low at its worst in this ZIP code
Heat wave12.8Relatively 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$87,000$95,628$78,538
Income per person$50,241$50,867$43,289
Poverty rate11.2%7.2%12.4%
Median home value$435,100$367,200$303,400
Median gross rent$1,435$1,423$1,348
Homeownership71.1%72.5%65%
Bachelor's degree or higher26%39.8%35%
Unemployment rate9.2%3.4%5.2%
Works from home7.9%15.1%13.5%
Born outside the US2.7%6.2%13.9%
Median age53.443.238.7
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 stationGREENLAND, NH US15.4 km away
Rain in a year51 in
Snow in a year65 in

Average high and low by month

January32.6°F / 16.3°F3.63 in rain, 17.1 in snow
February35.6°F / 17.6°F3.57 in rain, 15.8 in snow
March43.3°F / 25.3°F4.77 in rain, 13.9 in snow
April55.8°F / 34.8°F4.56 in rain, 2.3 in snow
May66.1°F / 44.8°F3.95 in rain
June75°F / 54.1°F4.59 in rain
July80.5°F / 60.1°F3.89 in rain
August79.4°F / 58.8°F3.66 in rain
September71.8°F / 51.7°F4.08 in rain
October59.7°F / 40.5°F4.95 in rain, 0.1 in snow
November48.1°F / 31.2°F4.12 in rain, 1.6 in snow
December37.8°F / 22.3°F4.88 in rain, 14.2 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 supermarket63% of this ZIP code's area
Far from a supermarket100% of this ZIP code's area
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.

Winnacunnet Cooperative School District50% of this ZIP code's land area
Seabrook School District49.7% 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 vulnerability48more vulnerable than 48% of US census tracts
Socioeconomic status57more vulnerable than 57% of US census tracts
Household characteristics29more vulnerable than 29% of US census tracts
Racial and ethnic minority status14more vulnerable than 14% of US census tracts
Housing type and transport59more vulnerable than 59% of US census tracts
Walkability7 out of 20Below average
Nearby ZIP codes

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

01952 Salisbury, MA3.9 km away
03844 Hampton Falls, NH4.9 km away
03842 Hampton, NH6.5 km away
01913 Amesbury, MA6.7 km away
01950 Newburyport, MA8.2 km away
03827 East Kingston, NH10.3 km away
03862 North Hampton, NH10.7 km away
01951 Newbury, MA11.4 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.

Rockingham County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area8.95 sq mi
Water area0.63 sq mi
Population density963 people per sq mi
Latitude, longitude42.8854, -70.8646

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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