03801 ZIP Code — Portsmouth, NH

Rockingham County, New Hampshire

ZIP code 03801 is located in Portsmouth, New Hampshire, within Rockingham County. It covers approximately 23.77 square miles and serves a population of 23,102 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 603.

About ZIP code 03801

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 $605,300. Owner-occupancy sits near the national average at 54%.

The gap between median ($100,839) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 6% is below the national average.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 23 minutes is near the national average.

Educational attainment is high — 63% of residents hold a bachelor's degree or higher, well above the national average of 33%.

23,102

population

23.77

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

03801 ZIP code map

Cities in ZIP code 03801

Below are the cities the US Postal Service accepts for ZIP code 03801. Using any city not on this list may result in mail delivery delays.

City	Status
Portsmouth	Acceptable
Portsmouth	Preferred

Nearby ZIP codes

03803 Portsmouth (1.9 mi) 03840 Greenland (3.5 mi) 03870 Rye (4.1 mi) 03904 Kittery (4.4 mi) 03903 Eliot (5.5 mi) 03905 Kittery Point (6.1 mi) 03885 Stratham (6.3 mi) 03862 North Hampton (6.3 mi) 03824 Durham (7.2 mi) 03857 Newmarket (7.7 mi) 03856 Newfields (8.6 mi) 03909 York (9.2 mi)

Demographics updated 05/2026

Population
Total population	23,102
Population density	972 / sq mi
State FIPS	33
County FIPS	015

Geography
Land area	23.77 sq mi
Water area	5.43 sq mi
Latitude	43.0675
Longitude	-70.7998
Timezone	Eastern (ET)
Area code	603

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	26.4%	23.5%	31.0%
$50k – $100k	31.4%	29.1%	31.2%
$100k – $200k	27.8%	32.8%	28.1%
Over $200k	14.5%	14.6%	9.7%

Demographics & statistics

23,102

Population

972

People per sq mi

42.9

Median age

$100,839

Median household income

$68,296

Per capita income

$605,300

Median home value

$1,662

Median monthly rent

53.5%

Home ownership

5.9%

Poverty rate

2.4%

Unemployment

6,539

Housing units

63.0%

Bachelor's or higher

Age distribution

Male Female

450

Under 5

471

603

5–9

632

349

10–14

366

443

15–19

463

704

20–24

737

1,826

25–34

1,912

1,479

35–44

1,548

1,438

45–54

1,506

809

55–59

847

863

60–64

904

1,267

65–74

1,327

754

75–84

789

300

85+

315

← Male

Female →

Age summary

Group	Count	%
Under 18	3,451	14.9%
18 and over	19,651	85.1%
65 and over	4,752	20.6%
Median age	42.9 years

Race & ethnicity

White 84.9%

Hispanic or Latino 4%

Asian 4%

Two or more races 3.9%

Other race 1.9%

Black or African American 1.4%

American Indian / Alaska Native 0.1%

Group	Count	%
White	20,413	84.9%
Hispanic or Latino	955	4%
Asian	952	4%
Two or more races	927	3.9%
Other race	456	1.9%
Black or African American	331	1.4%
American Indian / Alaska Native	14	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	26.4%	23.5%	31.0%
$50k – $100k	31.4%	29.1%	31.2%
$100k – $200k	27.8%	32.8%	28.1%
Over $200k	14.5%	14.6%	9.7%

Under $10k 3.1%

$10k–$15k 2.6%

$15k–$25k 6.0%

$25k–$35k 3.4%

$35k–$50k 7.1%

$50k–$75k 13.8%

$75k–$100k 13.6%

$100k–$150k 20.3%

$150k–$200k 10.1%

$200k+ 20.0%

Range	% of households
Under $10k	3.1%
$10k–$15k	2.6%
$15k–$25k	6.0%
$25k–$35k	3.4%
$35k–$50k	7.1%
$50k–$75k	13.8%
$75k–$100k	13.6%
$100k–$150k	20.3%
$150k–$200k	10.1%
$200k+	20.0%
Median income	$100,839

Housing

Home values

Under $50k 1.3%

$50k–$100k 1.5%

$100k–$150k 0.3%

$150k–$200k 1.2%

$200k–$300k 4.8%

$300k–$500k 27.5%

$500k–$1M 52.6%

$1M+ 10.7%

Housing overview

Metric	Value
Median home value	$605,300
Median rent / month	$1,662
Owner occupied	53.5%
Renter occupied	46.5%
Vacant	6.6%
Single-family detached	42.5%
Large apartment buildings	13.2%
Mobile homes	2.2%
Median rooms	5.1
Avg household size (owned)	2.36

Year built

Era	%
2020 or later	0.2%
2010–2019	6.7%
2000–2009	5.9%
1990–1999	6.3%
1980–1989	12.2%
1970–1979	7.9%
1960–1969	8.1%
1950–1959	11.5%
1940–1949	5.4%
1939 or earlier	35.9%

Bedrooms

Size	% of units
No bedroom (studio)	3.7%
1 bedroom	16.8%
2 bedrooms	39.0%
3 bedrooms	23.8%
4 bedrooms	13.0%
5+ bedrooms	3.8%

Vehicles per household

Vehicles	% of households
No vehicle	5.9%
1 vehicle	38.7%
2 vehicles	41.9%
3 or more	13.5%

Heating fuel

Fuel type	%
Utility gas	50.9%
Electricity	15.9%
Propane / LP gas	6.0%
Fuel oil	23.1%
Wood	0.2%
No fuel used	3.0%

Households & families

Household type	Count	%
Married-couple family	4,394	40.6%
Cohabiting couple	1,142	10.6%
Male householder, no spouse	2,393	22.1%
Female householder, no spouse	2,885	26.7%
Households with children under 18	1,908	17.6%
Households with seniors (65+)	3,133	29.0%
Average household size	2.09

Marital status

Status	Male	Female
Never married	37.3%	30.4%
Married	47.2%	46.8%
Separated	0.7%	1.7%
Widowed	2.9%	9.6%
Divorced	11.9%	11.6%

Education

Less than 9th grade 0.9%

Some HS, no diploma 1.8%

HS graduate 16.3%

Some college, no degree 12.2%

Associate's degree 5.9%

Bachelor's degree 39.8%

Graduate / professional 23.1%

Metric	%
HS diploma or higher	97.3%
Bachelor's or higher	63.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	360	9.1%
Kindergarten	187	4.7%
Elementary school	1,591	40.3%
High school	806	20.4%
College / grad school	1,004	25.4%

Employment

Industry of employment

Education & healthcare 21.0%

Professional & management 17.1%

Retail trade 11.9%

Finance & real estate 11.7%

Manufacturing 11.2%

Arts, food & hospitality 8.3%

Other services 3.6%

Information 3.3%

Construction 3.2%

Wholesale trade 3.0%

Transportation & utilities 3.0%

Public administration 2.1%

Agriculture & mining 0.5%

Occupation

Category	%
Management, business & arts	55.3%
Service	10.9%
Sales & office	23.0%
Natural resources & construction	4.0%
Production & transportation	6.8%

Employment type

Type	%
Private sector	78.3%
Government	12.8%
Self-employed	8.8%
Unpaid family workers	0.1%

Commute

Method	%
Drive alone	70.2%
Carpool	4.6%
Public transit	1.7%
Walk	4.4%
Work from home	17.5%
Other means	1.7%
Avg commute (minutes)	22.9

Poverty

All people 5.9%

Under 18 years 8.1%

18 and over 5.5%

Married-couple families 0.2%

Female-led households 19.6%

Income support

Source	% of households
Social Security	30.0%
Retirement income	22.7%
Supplemental Security	1.7%
Cash public assistance	1.9%
Food stamps / SNAP	3.8%

Health indicators

Condition	%
Obesity	28.0%
High blood pressure	28.4%
High cholesterol	29.8%
Diabetes	7.3%
Heart disease	4.9%
Stroke	2.2%
Asthma	9.6%
Arthritis	21.6%
Kidney disease	2.3%
Pulmonary disease	4.9%
Cancer	6.8%

Behavior / access	%
Smoking	12.3%
Binge drinking	18.7%
No physical activity	15.2%
Less than 7 hrs sleep	28.4%
Depression	19.1%
Fair or poor health	9.3%
Poor mental health	13.1%
Poor physical health	8.1%
No health insurance	8.3%
Visited doctor (checkup)	72.5%
Visited dentist	75.4%
Cholesterol screening	91.3%
Teeth loss	8.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,557	8.0%

Disability	%
Any disability	11.2%
Under 18	1.5%
18–64 years	8.0%
65 and over	29.0%

Health insurance coverage

Type	%
Private insurance	82.4%
Public insurance	27.6%
No insurance	4.4%
Uninsured under 19	2.2%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	22,181	96.0%
Spanish	378	1.7%
Other Indo-European	83	0.4%
Asian & Pacific Islander	197	0.9%
Other languages	93	0.4%

Place of birth & citizenship

Origin	Count	%
Native born (US)	21,087	91.3%
Born in same state	20,739	89.8%
Born in different state	8,465	36.6%
Foreign born	348	1.5%
Naturalized citizen	2,015	8.7%
Not a US citizen	1,171	58.1%

Ancestry

Ancestry	Count	%
Italian	4,925	21.3%
French	4,795	20.8%
Arab	1,073	4.6%
German	999	4.3%
Polish	220	1%

Ancestry	Count	%
English	216	0.9%
Norwegian	203	0.9%
Dutch	105	0.5%
Irish	33	0.1%

Technology access

Metric	% of households
Computer access	46.8%
Internet access	96.5%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 03801

What city is ZIP code 03801 in?

ZIP code 03801 is primarily assigned to Portsmouth, New Hampshire.

What county is ZIP code 03801 in?

ZIP code 03801 falls within Rockingham County, New Hampshire.

How educated is the population of ZIP code 03801?

63% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

What is the typical home value in ZIP code 03801?

The median home value in ZIP code 03801 is $605,300.

What is the population of ZIP code 03801?

ZIP code 03801 has an estimated population of 23,102 residents, with a density of 972 people per square mile.

What is the median household income in ZIP code 03801?

The median household income in ZIP code 03801 is $100,839, above the national median of ~$75,000.

What timezone is ZIP code 03801 in?

ZIP code 03801 observes the EST timezone.