Marlow ZIP Codes — Cheshire County, NH

There is one unique ZIP code in Marlow, New Hampshire and it is 03456. Area code: 603.

ZIP codes

25.98

sq mi land

0.47

sq mi water

603

area code

Marlow, NH ZIP code map

About Marlow, NH

Marlow is a charming town located in Cheshire County, New Hampshire, known for its scenic beauty and quiet rural atmosphere. Nestled in the heart of the Monadnock region, this small community offers a peaceful escape from the hustle and bustle of city life. With a single ZIP code, 03456, Marlow embodies the quaint, tight-knit feel of a true New England town.

Location & geography

Marlow is situated in the southwestern part of New Hampshire, bordered by several other small towns, including Sullivan to the northeast and Westmoreland to the southwest. The town covers a land area of 25.98 square miles, complemented by a water area of 0.47 square miles, featuring lush forests and rolling hills typical of the Monadnock region. The terrain offers abundant outdoor recreation opportunities, with nearby lakes and hiking trails attracting nature enthusiasts.

Community & economy

The character of Marlow reflects classic New England charm, with a close-knit community that fosters strong local connections. The town is primarily residential, with a focus on industries like agriculture and small-scale businesses catering to the needs of residents. Daily life here is characterized by a slower pace, where residents enjoy outdoor activities and community events throughout the year.

Transportation

Marlow is accessible via several local roads, with Route 10 providing a key thoroughfare for traffic through the area. The nearest major airport is Manchester-Boston Regional Airport, located approximately 70 miles to the east, offering broader travel options. Public transit options are limited, so residents typically rely on personal vehicles for transportation.

History

Founded in the early 19th century, Marlow was heavily influenced by the local agriculture and timber industries that became the backbone of its economy. Over the years, the town has maintained its rural character, with notable events woven into its history reflecting the traditional New England lifestyle. Today, Marlow stands as a testament to the enduring spirit of small-town America.

Did you know?

One surprising fact about Marlow is that it was named after Marlow, Buckinghamshire, England, highlighting the typical practice of early settlers to name new towns after their hometowns in Britain. Additionally, despite its small size, Marlow boasts several historic buildings and sites that capture the essence of its rich past.

ZIP codes for Marlow, NH (1)

ZIP code	City	County	Map
03456	Marlow	Cheshire	View map

Demographics & statistics

803

Population

47.7

Median age

$103,333

Median household income

$40,871

Per capita income

$252,800

Median home value

$1,137

Median monthly rent

88.9%

Home ownership

12.5%

Poverty rate

0.8%

Unemployment

382

Housing units

26.8%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	195	24.3%
18 and over	608	75.7%
65 and over	198	24.7%
Median age	47.7 years

Race & ethnicity

White 95.7%

Hispanic or Latino 1.8%

Two or more races 1.3%

Other race 1.1%

Group	Count	%
White	783	95.7%
Hispanic or Latino	15	1.8%
Two or more races	11	1.3%
Other race	9	1.1%

Household income

Under $10k 0.6%

$10k–$15k 3.8%

$15k–$25k 5.7%

$25k–$35k 7.0%

$35k–$50k 7.0%

$50k–$75k 11.5%

$75k–$100k 13.4%

$100k–$150k 34.7%

$150k–$200k 11.1%

$200k+ 5.1%

Range	% of households
Under $10k	0.6%
$10k–$15k	3.8%
$15k–$25k	5.7%
$25k–$35k	7.0%
$35k–$50k	7.0%
$50k–$75k	11.5%
$75k–$100k	13.4%
$100k–$150k	34.7%
$150k–$200k	11.1%
$200k+	5.1%
Median income	$103,333

Housing

Home values

Under $50k 1.1%

$50k–$100k 0.7%

$100k–$150k 11.5%

$150k–$200k 18.6%

$200k–$300k 27.2%

$300k–$500k 36.9%

$500k–$1M 2.2%

$1M+ 1.8%

Housing overview

Metric	Value
Median home value	$252,800
Median rent / month	$1,137
Owner occupied	88.9%
Renter occupied	11.1%
Vacant	24.7%
Single-family detached	92.1%
Large apartment buildings	0.0%
Mobile homes	5.5%
Median rooms	5.6
Avg household size (owned)	2.39

Year built

Era	%
2020 or later	0.0%
2010–2019	2.9%
2000–2009	19.4%
1990–1999	12.0%
1980–1989	17.7%
1970–1979	9.4%
1960–1969	2.6%
1950–1959	11.3%
1940–1949	2.6%
1939 or earlier	22.1%

Bedrooms

Size	% of units
No bedroom (studio)	2.2%
1 bedroom	7.7%
2 bedrooms	28.1%
3 bedrooms	47.2%
4 bedrooms	13.9%
5+ bedrooms	1.0%

Vehicles per household

Vehicles	% of households
No vehicle	0.6%
1 vehicle	12.7%
2 vehicles	29.9%
3 or more	56.7%

Heating fuel

Fuel type	%
Electricity	8.0%
Propane / LP gas	10.8%
Fuel oil	57.0%
Wood	22.0%

Households & families

Household type	Count	%
Married-couple family	227	72.3%
Cohabiting couple	14	4.5%
Male householder, no spouse	47	15.0%
Female householder, no spouse	26	8.3%
Households with children under 18	97	30.9%
Households with seniors (65+)	122	38.9%
Average household size	2.54

Marital status

Status	Male	Female
Never married	16.5%	17.8%
Married	70.1%	73.3%
Separated	0.0%	0.0%
Widowed	2.8%	5.7%
Divorced	10.6%	3.2%

Education

Less than 9th grade 0.5%

Some HS, no diploma 1.4%

HS graduate 33.9%

Some college, no degree 22.3%

Associate's degree 15.1%

Bachelor's degree 14.6%

Graduate / professional 12.3%

Metric	%
HS diploma or higher	98.1%
Bachelor's or higher	26.8%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	16	7.8%
Kindergarten	3	1.5%
Elementary school	121	59.0%
High school	50	24.4%
College / grad school	15	7.3%

Employment

Industry of employment

Education & healthcare 22.7%

Manufacturing 20.0%

Retail trade 15.9%

Construction 10.7%

Arts, food & hospitality 8.8%

Transportation & utilities 5.2%

Professional & management 3.6%

Agriculture & mining 3.3%

Other services 3.3%

Finance & real estate 3.0%

Public administration 2.5%

Wholesale trade 0.5%

Information 0.5%

Occupation

Category	%
Management, business & arts	36.4%
Service	15.9%
Sales & office	18.6%
Natural resources & construction	12.1%
Production & transportation	17.0%

Employment type

Type	%
Private sector	70.1%
Government	21.4%
Self-employed	8.5%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	88.0%
Carpool	7.3%
Public transit	0.0%
Walk	0.0%
Other means	1.7%
Avg commute (minutes)	36.5

Poverty

All people 12.5%

Under 18 years 24.1%

18 and over 8.7%

Married-couple families 5.7%

Female-led households 58.3%

Income support

Source	% of households
Social Security	37.6%
Retirement income	37.3%
Supplemental Security	2.5%
Cash public assistance	0.6%
Food stamps / SNAP	3.5%

Health indicators

Condition	%
High blood pressure	32.7%
High cholesterol	30.2%
Heart disease	6.8%
Stroke	3.0%
Asthma	11.2%
Arthritis	29.5%
Kidney disease	2.9%
Pulmonary disease	7.6%
Cancer	7.4%

Behavior / access	%
Binge drinking	16.6%
No physical activity	21.2%
Less than 7 hrs sleep	34.4%
Fair or poor health	14.1%
Poor mental health	14.9%
Poor physical health	11.4%
No health insurance	11.1%
Visited doctor (checkup)	68.5%
Visited dentist	63.6%
Cholesterol screening	91.5%
Teeth loss	13.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	56	9.2%

Disability	%
Any disability	14.6%
Under 18	9.7%
18–64 years	5.9%
65 and over	37.4%

Health insurance coverage

Type	%
Private insurance	67.6%
Public insurance	41.5%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	761	94.8%
Spanish	2	0.3%
Other Indo-European	2	0.3%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	794	98.9%
Born in same state	790	98.4%
Born in different state	340	42.3%
Foreign born	4	0.5%
Naturalized citizen	9	1.1%
Not a US citizen	9	100.0%

Ancestry

Ancestry	Count	%
French	194	24.2%
Italian	190	23.7%
German	38	4.7%
Arab	23	2.9%
English	20	2.5%

Ancestry	Count	%
Polish	7	0.9%
Irish	4	0.5%
Norwegian	2	0.2%
Dutch	2	0.2%

Technology access

Metric	% of households
Computer access	39.1%
Internet access	96.2%

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

Frequently asked questions

What ZIP codes does Marlow, NH have?

Marlow, NH has one ZIP code: 03456. Each ZIP code serves a distinct delivery area within the city and surrounding region.