Portsmouth ZIP Codes — Rockingham County, NH

There are 4 unique ZIP codes in Portsmouth, New Hampshire. Area code: 603.

ZIP codes

23.77

sq mi land

5.43

sq mi water

603

area code

Portsmouth, NH ZIP code map

About Portsmouth, NH

Portsmouth is a vibrant city located in New Hampshire, known for its picturesque waterfront and rich history. Situated in Rockingham County, it's a hub of cultural and economic activity that attracts visitors year-round. The city's charming downtown area features historic buildings, unique shops, and a thriving dining scene.

Location & geography

Portsmouth is nestled along the Atlantic coast and is approximately 50 miles northeast of Boston, Massachusetts. This charming city boasts a land area of 23.77 square miles and a water area of 5.43 square miles, providing a mix of urban and scenic coastal landscapes. Nearby cities include Dover, which is about 12 miles to the west, Rochester, located roughly 16 miles to the northwest, and Hampton, approximately 15 miles to the south.

Community & economy

Portsmouth has a unique character shaped by its rich maritime heritage and thriving arts scene, making it an attractive place for both residents and visitors. The local economy is driven by a mix of sectors including tourism, technology, and healthcare, with many residents employed in service-oriented industries. Daily life in Portsmouth is often centered around its vibrant downtown with community events, farmers markets, and a focus on local arts and culture.

Transportation

Portsmouth is accessible via major highways including Interstate 95, making it convenient for travel to other parts of New England. The nearest airport is Portsmouth International Airport at Pease, which offers both commercial flights and private aviation options. Public transportation options are available, connecting Portsmouth with surrounding areas through bus services.

History

Portsmouth was founded in 1623, making it one of the oldest cities in the United States. Historically, it played a significant role as a shipbuilding and trade center, particularly during colonial times. Notable events include its strategic significance during the Revolutionary War, as well as its evolution into a modern cultural hub with numerous festivals and events celebrating its heritage.

Did you know?

One surprising fact about Portsmouth is that it is home to the oldest continually operating farmers market in the United States. Additionally, the city is known for its vibrant arts scene, featuring galleries, music festivals, and theater productions that attract many visitors each year.

ZIP codes for Portsmouth, NH (4)

ZIP code	City	County	Map
03801	Portsmouth	Rockingham	View map
03802	Portsmouth	Rockingham	View map
03803	Portsmouth	Rockingham	View map
03804	Portsmouth	Rockingham	View map

Demographics & statistics

23,102

Population

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

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%
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	%
High blood pressure	28.4%
High cholesterol	29.8%
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	%
Binge drinking	18.7%
No physical activity	15.2%
Less than 7 hrs sleep	28.4%
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%
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

What ZIP codes does Portsmouth, NH have?

Portsmouth, NH has two ZIP codes: 03801 and 03803. Each ZIP code serves a distinct delivery area within the city and surrounding region.