Sullivan ZIP Codes — Cheshire County, NH

There is one unique ZIP code in Sullivan, New Hampshire and it is 03445. Area code: 603.

ZIP codes

19.50

sq mi land

0.19

sq mi water

603

area code

Sullivan, NH ZIP code map

About Sullivan, NH

Sullivan is a quaint town located in Cheshire County, New Hampshire, known for its picturesque landscapes and small-town charm. With a single ZIP code of 03445, Sullivan offers a serene environment that appeals to both residents and visitors alike. The town embodies the spirit of rural New England, presenting an ideal setting for those seeking tranquility away from urban life.

Location & geography

Sullivan is situated in southwestern New Hampshire, surrounded by natural beauty and outdoor recreational opportunities. Neighboring cities include Keene, located approximately 16 miles to the north, and Marlborough, which is about 10 miles to the northeast. The town covers a land area of 19.50 square miles, with a small water area of 0.19 square miles contributing to its scenic views.

Community & economy

The character of Sullivan is largely defined by its close-knit community, where residents enjoy a peaceful lifestyle surrounded by nature. The local economy is supported by agriculture and small businesses, fostering a sense of pride and self-sufficiency among inhabitants. Daily life in Sullivan typically revolves around community events, outdoor activities, and enjoying the rural landscape.

Transportation

Sullivan is accessible via several key highways, with New Hampshire Route 9 serving as a major route for travel in and out of the town. The nearest airport is the Keene Dillant-Hopkins Airport, located about 15 miles to the northwest, providing limited commercial services. For broader travel needs, residents can reach larger airports in Manchester or Boston within reasonable driving distances.

History

Sullivan was officially incorporated in the early 19th century, showcasing the rich history that characterizes many towns in New Hampshire. Historically, the town has been supported by agriculture and small-scale manufacturing, contributing to its stability and growth. Notable events include the establishment of community institutions which have played a vital role in the town's development over the years.

Did you know?

One surprising fact about Sullivan is that it has a vibrant community spirit, with various events and gatherings that foster strong connections among residents. Additionally, the town's rural characteristics make it a beautiful location for nature enthusiasts looking to explore the outdoors.

ZIP codes for Sullivan, NH (1)

ZIP code	City	County	Map
03445	Sullivan	Cheshire	View map

Demographics & statistics

687

Population

44.0

Median age

$96,750

Median household income

$46,491

Per capita income

$219,400

Median home value

$1,050

Median monthly rent

85.5%

Home ownership

3.2%

Poverty rate

0.7%

Unemployment

262

Housing units

26.5%

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	113	16.4%
18 and over	574	83.6%
65 and over	129	18.8%
Median age	44.0 years

Race & ethnicity

White 88.8%

Asian 3.7%

Two or more races 3.1%

Hispanic or Latino 2.6%

Other race 1.8%

Group	Count	%
White	626	88.8%
Asian	26	3.7%
Two or more races	22	3.1%
Hispanic or Latino	18	2.6%
Other race	13	1.8%

Household income

$10k–$15k 2.8%

$15k–$25k 6.4%

$25k–$35k 2.8%

$35k–$50k 7.8%

$50k–$75k 18.7%

$75k–$100k 12.7%

$100k–$150k 28.3%

$150k–$200k 14.8%

$200k+ 5.7%

Range	% of households
$10k–$15k	2.8%
$15k–$25k	6.4%
$25k–$35k	2.8%
$35k–$50k	7.8%
$50k–$75k	18.7%
$75k–$100k	12.7%
$100k–$150k	28.3%
$150k–$200k	14.8%
$200k+	5.7%
Median income	$96,750

Housing

Home values

Under $50k 7.4%

$50k–$100k 7.4%

$100k–$150k 6.2%

$150k–$200k 18.2%

$200k–$300k 35.1%

$300k–$500k 16.1%

$500k–$1M 7.9%

$1M+ 1.7%

Housing overview

Metric	Value
Median home value	$219,400
Median rent / month	$1,050
Owner occupied	85.5%
Renter occupied	14.5%
Vacant	6.6%
Single-family detached	84.5%
Large apartment buildings	0.0%
Mobile homes	7.3%
Median rooms	5.5
Avg household size (owned)	2.44

Year built

Era	%
2020 or later	0.7%
2010–2019	4.3%
2000–2009	18.2%
1990–1999	9.6%
1980–1989	13.5%
1970–1979	22.1%
1960–1969	7.6%
1950–1959	1.7%
1940–1949	2.3%
1939 or earlier	20.1%

Bedrooms

Size	% of units
No bedroom (studio)	1.7%
1 bedroom	7.6%
2 bedrooms	32.7%
3 bedrooms	41.3%
4 bedrooms	10.6%
5+ bedrooms	6.3%

Vehicles per household

Vehicles	% of households
No vehicle	6.4%
1 vehicle	16.3%
2 vehicles	45.9%
3 or more	31.4%

Heating fuel

Fuel type	%
Electricity	2.8%
Propane / LP gas	9.5%
Fuel oil	61.1%
Wood	25.8%

Households & families

Household type	Count	%
Married-couple family	169	59.7%
Cohabiting couple	34	12.0%
Male householder, no spouse	38	13.4%
Female householder, no spouse	42	14.8%
Households with children under 18	77	27.2%
Households with seniors (65+)	102	36.0%
Average household size	2.43

Marital status

Status	Male	Female
Never married	29.1%	14.6%
Married	56.8%	60.4%
Separated	6.1%	2.1%
Widowed	3.4%	7.3%
Divorced	4.7%	15.6%

Education

Less than 9th grade 1.6%

Some HS, no diploma 7.5%

HS graduate 29.6%

Some college, no degree 24.5%

Associate's degree 10.2%

Bachelor's degree 14.1%

Graduate / professional 12.4%

Metric	%
HS diploma or higher	90.9%
Bachelor's or higher	26.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	18	18.6%
Kindergarten	0	0.0%
Elementary school	36	37.1%
High school	18	18.6%
College / grad school	25	25.8%

Employment

Industry of employment

Education & healthcare 27.4%

Manufacturing 16.5%

Construction 12.1%

Professional & management 10.9%

Other services 9.2%

Retail trade 6.1%

Arts, food & hospitality 5.3%

Finance & real estate 4.6%

Wholesale trade 3.9%

Public administration 1.5%

Information 1.2%

Transportation & utilities 0.7%

Agriculture & mining 0.5%

Occupation

Category	%
Management, business & arts	43.4%
Service	17.0%
Sales & office	9.7%
Natural resources & construction	15.5%
Production & transportation	14.3%

Employment type

Type	%
Private sector	75.0%
Government	11.7%
Self-employed	13.3%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	84.8%
Carpool	5.6%
Public transit	0.0%
Walk	1.7%
Other means	0.0%
Avg commute (minutes)	29.7

Poverty

All people 3.2%

Under 18 years 2.7%

18 and over 3.3%

Married-couple families 1.8%

Female-led households 0.0%

Income support

Source	% of households
Social Security	31.1%
Retirement income	21.2%
Supplemental Security	3.5%
Cash public assistance	2.5%
Food stamps / SNAP	2.5%

Health indicators

Condition	%
High blood pressure	28.0%
High cholesterol	27.6%
Heart disease	5.3%
Stroke	2.3%
Asthma	10.7%
Arthritis	25.1%
Kidney disease	2.3%
Pulmonary disease	5.7%
Cancer	6.6%

Behavior / access	%
Binge drinking	18.5%
No physical activity	17.2%
Less than 7 hrs sleep	33.0%
Fair or poor health	10.8%
Poor mental health	14.3%
Poor physical health	9.2%
No health insurance	9.6%
Visited doctor (checkup)	66.7%
Visited dentist	68.3%
Cholesterol screening	91.1%
Teeth loss	10.1%

Veterans & disability

Veterans	Count	%
Civilian veterans	37	6.4%

Disability	%
Any disability	13.1%
Under 18	8.8%
18–64 years	9.9%
65 and over	27.9%

Health insurance coverage

Type	%
Private insurance	73.1%
Public insurance	32.3%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	622	90.5%
Spanish	10	1.6%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	10	1.6%

Place of birth & citizenship

Origin	Count	%
Native born (US)	655	95.3%
Born in same state	618	90.0%
Born in different state	314	45.7%
Foreign born	37	5.4%
Naturalized citizen	32	4.7%
Not a US citizen	9	28.1%

Ancestry

Ancestry	Count	%
French	177	25.8%
Italian	96	14%
German	18	2.6%
Arab	16	2.3%

Ancestry	Count	%
English	5	0.7%
Polish	4	0.6%
Norwegian	2	0.3%
Irish	1	0.1%

Technology access

Metric	% of households
Computer access	41.2%
Internet access	94.0%

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

Frequently asked questions

What ZIP codes does Sullivan, NH have?

Sullivan, NH has one ZIP code: 03445. Each ZIP code serves a distinct delivery area within the city and surrounding region.