Zip code 03257: New London, New Hampshire

Q: What city is zip code 03257?

03257 is assigned to New London, New Hampshire. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 03257 in?

03257 is mostly in Merrimack County, but it extends into 1 other county.

Q: What is the population of 03257?

About 4,484 people live in 03257, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 03257?

The median household income in 03257 is $107,000.

Q: What zip codes are near 03257?

The closest zip codes to 03257 are 03233, 03287, 03284, 03751, 03260.

Residential delivery areaMerrimack CountyEastern Time

Population

4,484

Median household income

$107K

U.S. $81K

Median home value

$559K

U.S. $333K

Median rent

$1,594/mo

U.S. $1,413

Median age

50.9

U.S. 38.9

Land area

24 sq mi

190 people/sq mi

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

About 03257

03257 is a small-town zip code in New London, New Hampshire (Merrimack County), covering 24 sq mi of land. About 4,484 people live here, or 190 per square mile. The median resident is 50.9 years old, compared with 38.9 nationally.

The median household earns $107,000 a year, 33% above the national median of $80,734. 0.9% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $559,000, or 5.2 years of median household income (U.S.: 4.1 years), which makes homes relatively expensive for local earners. 91% of occupied homes are lived in by their owners, and renters pay a median of $1,594 a month.

65% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 24.9 minutes each way, and 16% of workers work from home. The most common jobs among working residents are in management; sales; and office and administrative support. 17% of them are self-employed (U.S.: 10%).

How 03257 compares

Sorted from highest to lowest national percentile

Housing vacancy31.5%
98th
U.S. 10.1% · NH 14.3%58th of 239 in NH
Rent-burdened renters71.8%
98th
WeaknessU.S. 51.1% · NH 48.2%28th of 230 in NH
Residents 65 and older34.5%
98th
U.S. 17.2% · NH 20.1%27th of 239 in NH
Median age50.9
96th
U.S. 38.9 · NH 43.371st of 239 in NH
Homeownership rate90.6%
96th
StrengthU.S. 65.2% · NH 72.8%81st of 239 in NH
Self-employed workers17.3%
95th
U.S. 10% · NH 9.3%39th of 239 in NH
Bachelor's degree or higher64.7%
92nd
StrengthU.S. 35.7% · NH 40.6%14th of 239 in NH
Median home value$559,000
79th
U.S. $332,700 · NH $402,50026th of 235 in NH
Per capita income$53,645
78th
U.S. $44,673 · NH $52,79899th of 239 in NH
Median household income$107,000
77th
U.S. $80,734 · NH $99,03191st of 234 in NH
Veterans8%
77th
U.S. 6.2% · NH 7.6%126th of 239 in NH
Work from home16.3%
66th
U.S. 15.1% · NH 16.8%102nd of 239 in NH
Median gross rent$1,594
61st
U.S. $1,413 · NH $1,49160th of 197 in NH
Median earnings per worker$51,635
60th
U.S. $49,666 · NH $56,079142nd of 239 in NH
Healthcare workers10.1%
60th
U.S. 9.7% · NH 9.6%105th of 239 in NH
Broadband access92.2%
50th
U.S. 91% · NH 92.9%138th of 239 in NH
Income inequality (Gini)0.431
47th
U.S. 0.483 · NH 0.44488th of 239 in NH
Government workers12.8%
43rd
U.S. 14.5% · NH 13.1%139th of 239 in NH
Average commute24.9 min
42nd
U.S. 26.4 min · NH 26.7 min159th of 234 in NH
Tech workers2.2%
37th
U.S. 3.8% · NH 4.3%142nd of 239 in NH
Foreign-born residents6.3%
35th
U.S. 14.1% · NH 6.1%32nd of 239 in NH
Unemployment rate3.7%
28th
U.S. 5.2% · NH 3.3%79th of 239 in NH
Population density190/sq mi
20th
U.S. 95/sq mi · NH 156/sq mi79th of 239 in NH
Diversity index20.4
13th
U.S. 61.4 · NH 2467th of 239 in NH
Population4,484
7th
U.S. 334,922,499 · NH 1,394,86890th of 239 in NH
Residents under 1813%
5th
U.S. 22% · NH 18.2%195th of 239 in NH
Uninsured rate1.6%
3rd
StrengthU.S. 8.4% · NH 5.3%217th of 239 in NH
Poverty rate0.9%
1st
StrengthU.S. 12.5% · NH 7.2%229th of 239 in NH

Measure	03257	Merrimack	NH	U.S.	National percentile	Rank in NH
Housing vacancy	31.5%	8.4%	14.3%	10.1%	98th	58th of 239
Rent-burdened rentersWeakness	71.8%	44.8%	48.2%	51.1%	98th	28th of 230
Residents 65 and older	34.5%	19.9%	20.1%	17.2%	98th	27th of 239
Median age	50.9	42.9	43.3	38.9	96th	71st of 239
Homeownership rateStrength	90.6%	73.5%	72.8%	65.2%	96th	81st of 239
Self-employed workers	17.3%	9%	9.3%	10%	95th	39th of 239
Bachelor's degree or higherStrength	64.7%	38.9%	40.6%	35.7%	92nd	14th of 239
Median home value	$559,000	$367,600	$402,500	$332,700	79th	26th of 235
Per capita income	$53,645	$49,044	$52,798	$44,673	78th	99th of 239
Median household income	$107,000	$97,004	$99,031	$80,734	77th	91st of 234
Veterans	8%	8.1%	7.6%	6.2%	77th	126th of 239
Work from home	16.3%	14.4%	16.8%	15.1%	66th	102nd of 239
Median gross rent	$1,594	$1,360	$1,491	$1,413	61st	60th of 197
Median earnings per worker	$51,635	$54,178	$56,079	$49,666	60th	142nd of 239
Healthcare workers	10.1%	10.7%	9.6%	9.7%	60th	105th of 239
Broadband access	92.2%	92.8%	92.9%	91%	50th	138th of 239
Income inequality (Gini)	0.431	0.440	0.444	0.483	47th	88th of 239
Government workers	12.8%	15.5%	13.1%	14.5%	43rd	139th of 239
Average commute	24.9 min	26.6 min	26.7 min	26.4 min	42nd	159th of 234
Tech workers	2.2%	3.2%	4.3%	3.8%	37th	142nd of 239
Foreign-born residents	6.3%	4.4%	6.1%	14.1%	35th	32nd of 239
Unemployment rate	3.7%	3.1%	3.3%	5.2%	28th	79th of 239
Population density	190/sq mi	167/sq mi	156/sq mi	95/sq mi	20th	79th of 239
Diversity index	20.4	18.5	24	61.4	13th	67th of 239
Population	4,484	155,967	1,394,868	334,922,499	7th	90th of 239
Residents under 18	13%	18.4%	18.2%	22%	5th	195th of 239
Uninsured rateStrength	1.6%	5.1%	5.3%	8.4%	3rd	217th of 239
Poverty rateStrength	0.9%	7.6%	7.2%	12.5%	1st	229th 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

10%

5–17

22%

18–24

25–34

35–44

45–54

11%

55–64

15%

65–74

19%

75+

Median age

50.9

Under 18

13%

65 and over

34.5%

Race and ethnicity

White89%
Black1%
Hispanic3%
Asian3%
Native American0%
Pacific Islander0%
Other0%
Multiracial4%

Diversity index

20.4

U.S. 61.4

Foreign-born

6.3%

U.S. 14.1%

Born in state

27.7%

Language spoken at home (households)

English only

95%

Spanish

0.9%

Other Indo-European

Asian / Pacific

Other

Households

Households: 1,650
Average household size: 2.2
Family households: 64.4%
Married couples: 57.3%
Living alone: 32.2%
Veterans (of adults): 8%
Male / female: 48% / 52%

Income and poverty

Household income distribution

<$25k

$25–50k

13%

$50–75k

12%

$75–100k

15%

$100–150k

21%

$150–200k

14%

$200k+

19%

Median household income

03257

$107,000

Merrimack Co.

$97,004

New Hampshire

$99,031

United States

$80,734

Per capita income

$53,645

U.S. $44,673

Poverty rate

0.9%

U.S. 12.5%

Households earning $150K+

32.8%

U.S. 23%

Income inequality (Gini)

0.431

U.S. 0.483

Housing

Median home value

03257

$559,000

Merrimack Co.

$367,600

New Hampshire

$402,500

United States

$332,700

Median gross rent

03257

$1,594

Merrimack Co.

$1,360

New Hampshire

$1,491

United States

$1,413

Types of housing

Single-family

87%

2–4 units

5–19 units

20+ units

Mobile home

Boat, RV, van

Housing units: 2,409
Owner-occupied: 90.6%
Vacant: 31.5%
Median year built: 1979
Median rooms: 6.8
Renters paying 30%+ of income: 71.8%
Renters paying 50%+ of income: 28.2%
Home value to income: 5.2× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

68%

Carpooled

Transit

Walked

Bicycle

Worked from home

16%

Other

Commute time (one way)

<10 min

31%

10–19

16%

20–29

30–44

26%

45–59

11%

60+

Average commute

24.9 min

U.S. 26.4 min

Unemployment

3.7%

U.S. 5.2%

In labor force

45.4%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Management

20%

Sales

11%

Office and admin

11%

Healthcare

10%

Education

Cleaning and personal care

Business and finance

Construction and repair

Food service

Legal and social services

Engineering and science

Arts, media and sports

Computer and math

Transportation and moving

Production

Police and fire

0.6%

Farming, fishing and forestry

Industries

Education

21%

Health care and social assistance

16%

Professional and technical services

12%

Manufacturing

Retail

Finance, insurance and real estate

Restaurants and hotels

Construction

Other services

Admin, support and management

Public administration

Arts and recreation

Wholesale

Information

Transportation, warehousing and utilities

Agriculture and mining

0.8%

Median earnings per worker

$51,635

U.S. $49,666

Self-employed

17.3%

U.S. 10%

Government workers

12.8%

U.S. 14.5%

Nonprofit workers

20.6%

U.S. 8.8%

Median earnings by type of work

Type of work	03257	U.S.
Management, business, science and arts	$70,000	$74,888
Service	$11,477	$26,804
Sales and office	$19,083	$40,476
Construction and maintenance	$76,250	$49,199
Production and transportation	$75,694	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

Some college

12%

Associate's

13%

Bachelor's

33%

Graduate

32%

High school graduate or higher: 98.1%
Bachelor's degree or higher: 64.7%
Graduate or professional degree: 31.6%
Households with broadband: 92.2%
Cable, fiber or DSL: 85.4%
No internet access: 7.3%
Without health insurance: 1.6%
Limited-English households: 0%

Geography

City (USPS): New London
State: New Hampshire
County: Merrimack County
Center point: 43.4177° N, 71.9906° W
Land area: 24 sq mi
Water area: 3.1 sq mi
Time zone: Eastern Time (UTC-5, UTC-4 in summer)
Zip type: Residential delivery area

03257 spans 2 counties

Merrimack County97% of land
Sullivan County3% of land

Cities and towns within this zip

New London (unincorporated)5% of zip

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

Zip codes near 03257

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
03233	Elkins, NH	3 mi	156	$120,156	$507,800
03287	Wilmot, NH	3.8 mi	1,487	$117,759	$399,600
03284	Springfield, NH	4 mi	890	$113,158	$364,400
03751	Georges Mills, NH	4.8 mi	397	—	—
03260	North Sutton, NH	5 mi	976	$117,000	$369,600
03782	Sunapee, NH	5.5 mi	3,122	$110,175	$412,000
03255	Newbury, NH	7.4 mi	2,015	$117,045	$465,000
03754	Guild, NH · PO box	7.9 mi	—	—	—
03272	South Newbury, NH · PO box	8.4 mi	—	—	—
03273	South Sutton, NH	8.6 mi	361	$187,979	$358,900
03230	Danbury, NH	9.9 mi	1,451	$71,685	$240,700
03216	Andover, NH	10 mi	2,046	$88,311	$358,800

Zip codes like 03257 elsewhere

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

Questions about 03257

What city is zip code 03257?

03257 is assigned to New London, New Hampshire. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 03257 in?

03257 is mostly in Merrimack County, but it extends into 1 other county.

What is the population of 03257?

About 4,484 people live in 03257, according to the Census Bureau's American Community Survey.

What time zone is 03257 in?

03257 is in Eastern Time.

What is the median household income in 03257?

The median household income in 03257 is $107,000.

What zip codes are near 03257?

The closest zip codes to 03257 are 03233, 03287, 03284, 03751, 03260.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 03257, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.