Marlborough ZIP Codes — Cheshire County, NH

There is one unique ZIP code in Marlborough, New Hampshire and it is 03455. Area code: 603.

ZIP codes

23.78

sq mi land

0.27

sq mi water

603

area code

Marlborough, NH ZIP code map

About Marlborough, NH

Marlborough, New Hampshire, is a quaint town located in Cheshire County, known for its natural beauty and vibrant community. With a blend of rural charm and rich history, it provides a tranquil setting for residents and visitors alike. The town's commitment to preserving its heritage makes Marlborough a unique place to explore.

Location & geography

Marlborough is situated in the southwestern region of New Hampshire, and it offers a picturesque landscape that includes rolling hills and expansive forests. Neighboring cities include Keene, NH, approximately 10 miles to the southwest, Peterborough, NH, about 12 miles to the northwest, and Jaffrey, NH, roughly 8 miles to the northeast. The total area of Marlborough encompasses 23.78 square miles of land and 0.27 square miles of water, contributing to its scenic allure.

Community & economy

The community of Marlborough is characterized by its friendly atmosphere and active local organizations that foster connections among residents. This small town thrives on industries such as agriculture and small businesses, which contribute to its economic stability. Daily life in Marlborough is enriched by community events and an appreciation for outdoor activities, making it an enticing place for both families and retirees.

Transportation

Marlborough is conveniently accessible via New Hampshire Route 101, which connects it to larger hubs in the region. The nearest major airport is Keene's Dillant-Hopkins Airport, located approximately 10 miles away, offering regional flight services. Public transportation options are limited, but highways provide a reliable means of travel for residents.

History

Marlborough was founded in the early 18th century, with a history rooted in agriculture and the lumber industry. Significant events in the town's past include the establishment of various local businesses that helped shape its economy and community identity. Marlborough’s commitment to preserving its history is evident in its well-maintained historical buildings and sites.

Did you know?

An interesting fact about Marlborough is that it is home to the historic Marlborough Village, which has several buildings dating back to the 19th century. Additionally, the town is known for its beautiful landscapes that attract outdoor enthusiasts, including hikers and nature lovers.

ZIP codes for Marlborough, NH (1)

ZIP code	City	County	Map
03455	Marlborough	Cheshire	View map

Demographics & statistics

2,292

Population

41.9

Median age

$70,850

Median household income

$45,419

Per capita income

$242,000

Median home value

$1,070

Median monthly rent

65.1%

Home ownership

14.4%

Poverty rate

0.3%

Unemployment

694

Housing units

35.8%

Bachelor's or higher

Age distribution

Male Female

Under 5

120

5–9

10–14

15–19

118

20–24

25–34

173

35–44

214

124

45–54

154

55–59

116

60–64

65–74

114

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	549	24.0%
18 and over	1,743	76.0%
65 and over	396	17.3%
Median age	41.9 years

Race & ethnicity

White 96.1%

Two or more races 2.7%

Hispanic or Latino 0.8%

American Indian / Alaska Native 0.4%

Group	Count	%
White	2,219	96.1%
Two or more races	62	2.7%
Hispanic or Latino	18	0.8%
American Indian / Alaska Native	10	0.4%

Household income

Under $10k 2.1%

$10k–$15k 4.0%

$15k–$25k 14.4%

$25k–$35k 8.6%

$35k–$50k 6.8%

$50k–$75k 16.7%

$75k–$100k 11.2%

$100k–$150k 21.0%

$150k–$200k 9.0%

$200k+ 6.3%

Range	% of households
Under $10k	2.1%
$10k–$15k	4.0%
$15k–$25k	14.4%
$25k–$35k	8.6%
$35k–$50k	6.8%
$50k–$75k	16.7%
$75k–$100k	11.2%
$100k–$150k	21.0%
$150k–$200k	9.0%
$200k+	6.3%
Median income	$70,850

Housing

Home values

Under $50k 4.7%

$50k–$100k 3.5%

$100k–$150k 5.5%

$150k–$200k 14.1%

$200k–$300k 36.3%

$300k–$500k 28.6%

$500k–$1M 7.4%

Housing overview

Metric	Value
Median home value	$242,000
Median rent / month	$1,070
Owner occupied	65.1%
Renter occupied	34.9%
Vacant	6.9%
Single-family detached	64.6%
Large apartment buildings	7.1%
Mobile homes	2.6%
Median rooms	5.4
Avg household size (owned)	2.61

Year built

Era	%
2020 or later	0.0%
2010–2019	4.1%
2000–2009	5.7%
1990–1999	13.8%
1980–1989	14.0%
1970–1979	18.7%
1960–1969	4.4%
1950–1959	1.6%
1940–1949	2.9%
1939 or earlier	34.8%

Bedrooms

Size	% of units
No bedroom (studio)	2.7%
1 bedroom	14.6%
2 bedrooms	25.3%
3 bedrooms	43.3%
4 bedrooms	8.6%
5+ bedrooms	5.5%

Vehicles per household

Vehicles	% of households
No vehicle	3.4%
1 vehicle	34.3%
2 vehicles	38.0%
3 or more	24.2%

Heating fuel

Fuel type	%
Utility gas	6.3%
Electricity	3.1%
Propane / LP gas	11.6%
Fuel oil	55.2%
Wood	20.1%
No fuel used	2.4%

Households & families

Household type	Count	%
Married-couple family	451	47.1%
Cohabiting couple	100	10.4%
Male householder, no spouse	149	15.6%
Female householder, no spouse	257	26.9%
Households with children under 18	296	30.9%
Households with seniors (65+)	315	32.9%
Average household size	2.39

Marital status

Status	Male	Female
Never married	32.5%	24.9%
Married	51.7%	45.8%
Separated	0.0%	0.8%
Widowed	2.2%	9.8%
Divorced	13.6%	18.7%

Education

Less than 9th grade 1.2%

Some HS, no diploma 6.2%

HS graduate 31.4%

Some college, no degree 22.2%

Associate's degree 3.3%

Bachelor's degree 22.0%

Graduate / professional 13.7%

Metric	%
HS diploma or higher	92.6%
Bachelor's or higher	35.8%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	22	5.0%
Kindergarten	7	1.6%
Elementary school	144	32.9%
High school	172	39.3%
College / grad school	93	21.2%

Employment

Industry of employment

Manufacturing 30.7%

Education & healthcare 22.5%

Retail trade 11.2%

Finance & real estate 7.4%

Construction 6.6%

Arts, food & hospitality 6.3%

Professional & management 6.2%

Other services 3.1%

Wholesale trade 2.5%

Transportation & utilities 1.8%

Public administration 0.8%

Agriculture & mining 0.4%

Information 0.4%

Occupation

Category	%
Management, business & arts	37.1%
Service	7.7%
Sales & office	28.0%
Natural resources & construction	8.4%
Production & transportation	18.9%

Employment type

Type	%
Private sector	80.2%
Government	14.7%
Self-employed	4.2%
Unpaid family workers	0.9%

Commute

Method	%
Drive alone	74.0%
Carpool	12.3%
Public transit	0.0%
Walk	1.6%
Other means	1.1%
Avg commute (minutes)	19.9

Poverty

All people 14.4%

Under 18 years 25.3%

18 and over 10.9%

Married-couple families 1.6%

Female-led households 54.4%

Income support

Source	% of households
Social Security	38.7%
Retirement income	26.0%
Supplemental Security	4.9%
Cash public assistance	11.4%
Food stamps / SNAP	6.6%

Health indicators

Condition	%
High blood pressure	31.1%
High cholesterol	29.5%
Heart disease	6.5%
Stroke	2.9%
Asthma	11.0%
Arthritis	28.1%
Kidney disease	2.8%
Pulmonary disease	7.0%
Cancer	7.4%

Behavior / access	%
Binge drinking	17.3%
No physical activity	20.6%
Less than 7 hrs sleep	34.0%
Fair or poor health	13.2%
Poor mental health	15.0%
Poor physical health	10.6%
No health insurance	11.2%
Visited doctor (checkup)	67.7%
Visited dentist	64.0%
Cholesterol screening	90.6%
Teeth loss	13.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	168	9.6%

Disability	%
Any disability	12.0%
Under 18	0.0%
18–64 years	13.1%
65 and over	24.5%

Health insurance coverage

Type	%
Private insurance	70.3%
Public insurance	40.2%
Uninsured under 19	1.4%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	2,075	90.5%
Spanish	1	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	1	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	2,285	99.7%
Born in same state	2,272	99.1%
Born in different state	1,506	65.7%
Foreign born	13	0.6%
Naturalized citizen	7	0.3%
Not a US citizen	1	14.3%

Ancestry

Ancestry	Count	%
French	523	22.8%
Italian	364	15.9%
German	159	6.9%
Arab	82	3.6%

Ancestry	Count	%
Polish	13	0.6%
Irish	5	0.2%
Dutch	4	0.2%

Technology access

Metric	% of households
Computer access	41.8%
Internet access	88.6%

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

Frequently asked questions

What ZIP codes does Marlborough, NH have?

Marlborough, NH has one ZIP code: 03455. Each ZIP code serves a distinct delivery area within the city and surrounding region.