Postal Codes

03801 ZIP Code

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ZIP code 03801 covers Portsmouth, New Hampshire, with a population of about 23,231 and a median household income of $106,520.

Population
23,231977 per square mile
Median age
42.84.1 points above the US average
Median household income
$106,5201.1× the New Hampshire median
Poverty rate
5.5%6.9 points below the US average
Typical home value
$814,666up 34.6% in five years
Median rent
$1,7831.3× the New Hampshire median
Degree or higher
63.4%28.4 points above the US average
Homeownership
53.2%11.8 points below the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
1,924

Where 03801 is

Portsmouth, 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

Population23,231
Median age42.8
Family households50.7%
Born outside the US9.1%
Speaks a language other than English at home9.1%
White (non-Hispanic)86.8%
Black (non-Hispanic)0.7%
Asian (non-Hispanic)3.8%
Hispanic or Latino3.4%
Veterans7.4%
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$106,520
Income per person$69,845
Poverty rate5.5%
Households on SNAP or cash assistance4.6%

Household income distribution

Under $10k2.5%
$10–15k2.5%
$15–20k3.0%
$20–25k2.2%
$25–30k2.6%
$30–35k1.4%
$35–40k2.0%
$40–45k1.8%
$45–50k3.0%
$50–60k4.2%
$60–75k7.7%
$75–100k13.3%
$100–125k12.9%
$125–150k10.1%
$150–200k9.6%
$200k or more21.4%

Income as declared to the IRS

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

Tax returns filed13,120
Mean adjusted gross income$179,647
Returns declaring $200,000 or more17.2%
Returns, under $25k18.0%
Returns, $25k–$50k16.9%
Returns, $50k–$75k15.8%
Returns, $75k–$100k11.5%
Returns, $100k–$200k20.6%
Returns, $200k or more17.2%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$647,500
Median gross rent$1,783
Rent as a share of household income28.3%
Owner-occupied53.2%
Vacant homes4.8%
Median year built1959

What the homes are

Detached house41.1%
Attached house9%
2 to 4 units16.1%
5 to 19 units18.7%
20 or more units13.1%
Mobile home1.9%
Boat, RV or van0%
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$814,666as of 2026-07
Typical home value, 1 yearup 3.4%
Typical home value, 5 yearsup 34.6%
Typical home value, 10 yearsup 96.8%
Typical asking rent$2,974as of 2026-07
Typical asking rent, 1 yearup 0.4%
Typical home value since 2000
200020132026$814,666$202,438

$202,438 in 2000 to $814,666 in 2026.

Typical asking rent
202220242026$2,974$2,496

$2,496 in 2022 to $2,974 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate2%
Bachelor's degree or higher63.4%
High school diploma or higher97.7%
Works from home20.3%
Drives to work alone67.3%
Takes public transport1.4%
Commutes 45 minutes or more14%
Health

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

Obesity29.7% 3.7 pts below the national average of 33.4%
Diagnosed diabetes8.1% 3.9 pts below the national average of 12%
Currently smokes8.2% 5 pts below the national average of 13.2%
High blood pressure32.1% 2 pts below the national average of 34.1%
Fair or poor general health11.2% 9.1 pts below the national average of 20.3%
No health insurance (18–64)5.2% 6.1 pts below the national average of 11.3%
Depression21.5% same as the national average of 21.9%
No leisure-time physical activity16.5% 8.9 pts below the national average of 25.4%
Arthritis24.4% 0.7 pts below the national average of 25.1%
Binge drinking16.4% same as the national average of 16%
Taking blood pressure medication75.7% 1 pts above the national average of 74.7%
Cancer (non-skin)9.6% 1.9 pts above the national average of 7.7%
Current asthma9.8% 0.6 pts below the national average of 10.4%
Coronary heart disease5% 1.2 pts below the national average of 6.2%
Routine check-up in past year78.3% 1.6 pts above the national average of 76.7%
Cholesterol screening89.7% 3.8 pts above the national average of 85.9%
Cognitive disability9.8% 5 pts below the national average of 14.8%
Colorectal screening70.8% 6.5 pts above the national average of 64.3%
COPD4.8% 1.8 pts below the national average of 6.6%
Visited a dentist73.8% 12.5 pts above the national average of 61.3%
Any disability21.5% 9.2 pts below the national average of 30.7%
Lacks emotional support18.4% 6.4 pts below the national average of 24.8%
Food insecurity7.2% 9.9 pts below the national average of 17.1%
Received food stamps4.5% 9.8 pts below the national average of 14.3%
Hearing disability6.3% same as the national average of 6.7%
High cholesterol35.1% 1.1 pts below the national average of 36.2%
Housing insecurity6.3% 7.5 pts below the national average of 13.8%
Independent living disability5.1% 3.3 pts below the national average of 8.4%
Lacks transport4.5% 4.7 pts below the national average of 9.2%
Loneliness27.3% 7.1 pts below the national average of 34.4%
Mammography use80% 4.1 pts above the national average of 75.9%
Poor mental health (14+ days)13.7% 3.1 pts below the national average of 16.8%
Mobility disability8.7% 5.3 pts below the national average of 14%
Poor physical health (14+ days)10% 3.5 pts below the national average of 13.5%
Self-care disability2.3% 1.7 pts below the national average of 4%
Utility shut-off threat4.4% 4.4 pts below the national average of 8.8%
Sleeps under 7 hours31.8% 4.6 pts below the national average of 36.4%
Stroke2.6% 0.8 pts below the national average of 3.4%
All natural teeth lost6.8% 6.2 pts below the national average of 13%
Vision disability3% 2.6 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments1,924
People employed38,245
Annual payroll$3,232,563,000
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 22.2% of US census tracts
FEMA ratingVery Low to Relatively Low across the 8 census tracts this ZIP code covers
Expected annual loss36.4 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.

Ice storm83.8Relatively High at its worst in this ZIP code
Hurricane74Relatively Low at its worst in this ZIP code
Earthquake72.7Relatively Moderate at its worst in this ZIP code
Coastal flooding68.7Relatively High at its worst in this ZIP code
Landslide64.9Very Low at its worst in this ZIP code
Wildfire56.1Very Low at its worst in this ZIP code
Strong wind40.8Relatively Low at its worst in this ZIP code
Lightning38.2Relatively Low at its worst in this ZIP code
Winter weather38.1Relatively Low at its worst in this ZIP code
Tornado36.1Relatively Low at its worst in this ZIP code
River flooding33.7Relatively Moderate at its worst in this ZIP code
Drought31.7Relatively Moderate at its worst in this ZIP code
Cold wave28.4Relatively Low at its worst in this ZIP code
Hail27.2Very Low at its worst in this ZIP code
Heat wave9.9Very 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$106,520$95,628$78,538
Income per person$69,845$50,867$43,289
Poverty rate5.5%7.2%12.4%
Median home value$647,500$367,200$303,400
Median gross rent$1,783$1,423$1,348
Homeownership53.2%72.5%65%
Bachelor's degree or higher63.4%39.8%35%
Unemployment rate2%3.4%5.2%
Works from home20.3%15.1%13.5%
Born outside the US9.1%6.2%13.9%
Median age42.843.238.7
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 US6 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 supermarketNone of this ZIP code
Far from a supermarket64% 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.

Portsmouth School District65.6% of this ZIP code's land area
Newington School District34.4% 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 vulnerability19more vulnerable than 19% of US census tracts
Socioeconomic status13more vulnerable than 13% of US census tracts
Household characteristics30more vulnerable than 30% of US census tracts
Racial and ethnic minority status21more vulnerable than 21% of US census tracts
Housing type and transport42more vulnerable than 42% of US census tracts
Walkability8.1 out of 20Below average
Nearby ZIP codes

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

03802 Portsmouth, NH3.5 km away
03803 Portsmouth, NH3.5 km away
03804 Portsmouth, NH3.5 km away
03840 Greenland, NH5.4 km away
03904 Kittery, ME5.5 km away
03903 Eliot, ME6.7 km away
03854 New Castle, NH6.9 km away
03870 Rye, NH7.8 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 area23.77 sq mi
Water area5.43 sq mi
Population density977 people per sq mi
Latitude, longitude43.0729, -70.8052

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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