Zip code 03878: Somersworth, New Hampshire

Q: What city is zip code 03878?

03878 is assigned to Somersworth, New Hampshire. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 03878 in?

03878 is in Strafford County, New Hampshire.

Q: What is the population of 03878?

About 12,205 people live in 03878, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 03878?

The median household income in 03878 is $75,136.

Q: What zip codes are near 03878?

The closest zip codes to 03878 are 03869, 03901, 03821, 03822, 03820.

Residential delivery areaStrafford CountyEastern Time

Population

12,205

Median household income

$75K

U.S. $81K

Median home value

$318K

U.S. $333K

Median rent

$1,479/mo

U.S. $1,413

Median age

38.5

U.S. 38.9

Land area

9.8 sq mi

1,243 people/sq mi

Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.

About 03878

03878 is a suburban zip code in Somersworth, New Hampshire (Strafford County), covering 9.8 sq mi of land. About 12,205 people live here, or 1,243 per square mile. The median resident is 38.5 years old, compared with 38.9 nationally.

The median household earns $75,136 a year, close to the national median of $80,734. 11.2% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $317,900, or 4.2 years of median household income (U.S.: 4.1 years), which makes homes about as affordable as the national average for local earners. 58% of occupied homes are lived in by their owners, and renters pay a median of $1,479 a month.

31% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 25.8 minutes each way, and 12% of workers work from home. The most common jobs among working residents are in sales; management; and office and administrative support.

How 03878 compares

Sorted from highest to lowest national percentile

Veterans9.5%
87th
U.S. 6.2% · NH 7.6%83rd of 239 in NH
Tech workers5%
79th
U.S. 3.8% · NH 4.3%45th of 239 in NH
Rent-burdened renters56%
70th
U.S. 51.1% · NH 48.2%69th of 230 in NH
Government workers15.9%
65th
U.S. 14.5% · NH 13.1%79th of 239 in NH
Housing vacancy7.8%
59th
U.S. 10.1% · NH 14.3%166th of 239 in NH
Median earnings per worker$50,948
58th
U.S. $49,666 · NH $56,079152nd of 239 in NH
Healthcare workers10%
58th
U.S. 9.7% · NH 9.6%109th of 239 in NH
Per capita income$42,408
57th
U.S. $44,673 · NH $52,798178th of 239 in NH
Median gross rent$1,479
55th
U.S. $1,413 · NH $1,49178th of 197 in NH
Broadband access92.6%
54th
U.S. 91% · NH 92.9%127th of 239 in NH
Poverty rate11.2%
52nd
U.S. 12.5% · NH 7.2%48th of 239 in NH
Bachelor's degree or higher31.3%
49th
U.S. 35.7% · NH 40.6%167th of 239 in NH
Population density1,243/sq mi
48th
U.S. 95/sq mi · NH 156/sq mi12th of 239 in NH
Average commute25.8 min
48th
U.S. 26.4 min · NH 26.7 min144th of 234 in NH
Median home value$317,900
47th
U.S. $332,700 · NH $402,500168th of 235 in NH
Work from home12.1%
47th
U.S. 15.1% · NH 16.8%156th of 239 in NH
Median age38.5
46th
U.S. 38.9 · NH 43.3214th of 239 in NH
Median household income$75,136
44th
U.S. $80,734 · NH $99,031190th of 234 in NH
Foreign-born residents6.5%
36th
U.S. 14.1% · NH 6.1%30th of 239 in NH
Residents 65 and older14.1%
31st
U.S. 17.2% · NH 20.1%221st of 239 in NH
Residents under 1819.8%
30th
U.S. 22% · NH 18.2%72nd of 239 in NH
Homeownership rate58%
29th
U.S. 65.2% · NH 72.8%223rd of 239 in NH
Uninsured rate4.4%
26th
U.S. 8.4% · NH 5.3%133rd of 239 in NH
Income inequality (Gini)0.405
24th
U.S. 0.483 · NH 0.444138th of 239 in NH
Diversity index29.9
23rd
U.S. 61.4 · NH 2419th of 239 in NH
Population12,205
19th
U.S. 334,922,499 · NH 1,394,86831st of 239 in NH
Unemployment rate2.8%
14th
StrengthU.S. 5.2% · NH 3.3%122nd of 239 in NH
Self-employed workers4.6%
3rd
U.S. 10% · NH 9.3%223rd of 239 in NH

Measure	03878	Strafford	NH	U.S.	National percentile	Rank in NH
Veterans	9.5%	7.3%	7.6%	6.2%	87th	83rd of 239
Tech workers	5%	4.3%	4.3%	3.8%	79th	45th of 239
Rent-burdened renters	56%	50.3%	48.2%	51.1%	70th	69th of 230
Government workers	15.9%	16%	13.1%	14.5%	65th	79th of 239
Housing vacancy	7.8%	8%	14.3%	10.1%	59th	166th of 239
Median earnings per worker	$50,948	$51,705	$56,079	$49,666	58th	152nd of 239
Healthcare workers	10%	8.8%	9.6%	9.7%	58th	109th of 239
Per capita income	$42,408	$46,304	$52,798	$44,673	57th	178th of 239
Median gross rent	$1,479	$1,488	$1,491	$1,413	55th	78th of 197
Broadband access	92.6%	93.5%	92.9%	91%	54th	127th of 239
Poverty rate	11.2%	8.7%	7.2%	12.5%	52nd	48th of 239
Bachelor's degree or higher	31.3%	39.3%	40.6%	35.7%	49th	167th of 239
Population density	1,243/sq mi	361/sq mi	156/sq mi	95/sq mi	48th	12th of 239
Average commute	25.8 min	26 min	26.7 min	26.4 min	48th	144th of 234
Median home value	$317,900	$362,800	$402,500	$332,700	47th	168th of 235
Work from home	12.1%	16.2%	16.8%	15.1%	47th	156th of 239
Median age	38.5	38.2	43.3	38.9	46th	214th of 239
Median household income	$75,136	$88,570	$99,031	$80,734	44th	190th of 234
Foreign-born residents	6.5%	4.4%	6.1%	14.1%	36th	30th of 239
Residents 65 and older	14.1%	17.1%	20.1%	17.2%	31st	221st of 239
Residents under 18	19.8%	17.6%	18.2%	22%	30th	72nd of 239
Homeownership rate	58%	67.1%	72.8%	65.2%	29th	223rd of 239
Uninsured rate	4.4%	5.2%	5.3%	8.4%	26th	133rd of 239
Income inequality (Gini)	0.405	0.427	0.444	0.483	24th	138th of 239
Diversity index	29.9	22.8	24	61.4	23rd	19th of 239
Population	12,205	132,575	1,394,868	334,922,499	19th	31st of 239
Unemployment rateStrength	2.8%	3.5%	3.3%	5.2%	14th	122nd of 239
Self-employed workers	4.6%	8.2%	9.3%	10%	3rd	223rd of 239

The percentile is the share of Americans who live in a zip code with a lower value, so the 50th percentile is typical. Rank 1 is the highest value in the state. Both include zip codes with at least 100 residents. Strengths and weaknesses mark measures in the best or worst fifth nationally, where higher or lower is clearly better (income, poverty, education, commute, broadband, insurance and similar). Measures like age or density are left unmarked.

People

Age

Under 5

16%

5–17

18–24

18%

25–34

13%

35–44

14%

45–54

14%

55–64

65–74

75+

Median age

38.5

Under 18

19.8%

65 and over

14.1%

Race and ethnicity

White83%
Black2%
Hispanic6%
Asian3%
Native American0%
Pacific Islander0%
Other0.3%
Multiracial6%

Diversity index

29.9

U.S. 61.4

Foreign-born

6.5%

U.S. 14.1%

Born in state

44%

Language spoken at home (households)

English only

90%

Spanish

Other Indo-European

Asian / Pacific

Other

Households

Households: 5,245
Average household size: 2.3
Family households: 59.7%
Married couples: 38.6%
Living alone: 31.5%
Veterans (of adults): 9.5%
Male / female: 47% / 53%

Income and poverty

Household income distribution

<$25k

15%

$25–50k

15%

$50–75k

21%

$75–100k

15%

$100–150k

15%

$150–200k

11%

$200k+

Median household income

03878

$75,136

Strafford Co.

$88,570

New Hampshire

$99,031

United States

$80,734

Per capita income

$42,408

U.S. $44,673

Poverty rate

11.2%

U.S. 12.5%

Households earning $150K+

19.7%

U.S. 23%

Income inequality (Gini)

0.405

U.S. 0.483

Housing

Median home value

03878

$317,900

Strafford Co.

$362,800

New Hampshire

$402,500

United States

$332,700

Median gross rent

03878

$1,479

Strafford Co.

$1,488

New Hampshire

$1,491

United States

$1,413

Types of housing

Single-family

45%

2–4 units

27%

5–19 units

20+ units

12%

Mobile home

Boat, RV, van

Housing units: 5,690
Owner-occupied: 58%
Vacant: 7.8%
Median year built: 1966
Median rooms: 4.9
Renters paying 30%+ of income: 56%
Renters paying 50%+ of income: 26%
Home value to income: 4.2× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

79%

Carpooled

Transit

Walked

0.3%

Bicycle

Worked from home

12%

Other

0.2%

Commute time (one way)

<10 min

10%

10–19

32%

20–29

26%

30–44

17%

45–59

60+

Average commute

25.8 min

U.S. 26.4 min

Unemployment

2.8%

U.S. 5.2%

In labor force

71.4%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Sales

15%

Management

12%

Office and admin

11%

Healthcare

10%

Production

Construction and repair

Education

Transportation and moving

Computer and math

Food service

Engineering and science

Business and finance

Cleaning and personal care

Arts, media and sports

Police and fire

Legal and social services

0.9%

Farming, fishing and forestry

Industries

Manufacturing

14%

Health care and social assistance

13%

Retail

12%

Public administration

10%

Restaurants and hotels

10%

Education

Finance, insurance and real estate

Transportation, warehousing and utilities

Professional and technical services

Admin, support and management

Construction

Other services

Arts and recreation

Wholesale

0.9%

Information

0.1%

Agriculture and mining

Median earnings per worker

$50,948

U.S. $49,666

Self-employed

4.6%

U.S. 10%

Government workers

15.9%

U.S. 14.5%

Nonprofit workers

9.4%

U.S. 8.8%

Median earnings by type of work

Type of work	03878	U.S.
Management, business, science and arts	$61,795	$74,888
Service	$22,356	$26,804
Sales and office	$38,933	$40,476
Construction and maintenance	$78,153	$49,199
Production and transportation	$56,528	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

23%

Some college

24%

Associate's

14%

Bachelor's

21%

Graduate

10%

High school graduate or higher: 93.6%
Bachelor's degree or higher: 31.3%
Graduate or professional degree: 10%
Households with broadband: 92.6%
Cable, fiber or DSL: 84.6%
No internet access: 3.5%
Without health insurance: 4.4%
Limited-English households: 2.1%

Geography

City (USPS): Somersworth
State: New Hampshire
County: Strafford County
Center point: 43.2535° N, 70.8879° W
Land area: 9.8 sq mi
Water area: 0.2 sq mi
Time zone: Eastern Time (UTC-5, UTC-4 in summer)
Zip type: Residential delivery area

Cities and towns within this zip

Somersworth100% of zip

Census places overlapping the zip's area. Mail may use a different city name than the municipality.

Zip codes near 03878

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
03869	Rollinsford, NH	3.2 mi	2,456	$87,215	$413,500
03901	Berwick, ME	3.9 mi	8,175	$94,771	$369,100
03821	Dover, NH · PO box	3.9 mi	—	—	—
03822	Dover, NH · PO box	3.9 mi	—	—	—
03820	Dover, NH	4.6 mi	33,440	$94,897	$436,100
03839	Rochester, NH	5 mi	4,279	$88,346	$335,600
03866	Rochester, NH · PO box	5.6 mi	—	—	—
03868	Rochester, NH	5.6 mi	6,133	$81,530	$268,800
03823	Madbury, NH	6.1 mi	2,203	$148,365	$476,900
03867	Rochester, NH	6.2 mi	22,732	$78,674	$273,900
03908	South Berwick, ME	7 mi	7,431	$98,289	$425,700
03825	Barrington, NH	8 mi	9,489	$110,323	$399,100

Zip codes like 03878 elsewhere

Matched on income, home values, age, density, education, housing and commuting

Questions about 03878

What city is zip code 03878?

03878 is assigned to Somersworth, New Hampshire. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 03878 in?

03878 is in Strafford County, New Hampshire.

What is the population of 03878?

About 12,205 people live in 03878, according to the Census Bureau's American Community Survey.

What time zone is 03878 in?

03878 is in Eastern Time.

What is the median household income in 03878?

The median household income in 03878 is $75,136.

What zip codes are near 03878?

The closest zip codes to 03878 are 03869, 03901, 03821, 03822, 03820.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 03878, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.