Lempster ZIP Codes — Sullivan County, NH

There is one unique ZIP code in Lempster, New Hampshire and it is 03605. Area code: 603.

ZIP codes

31.54

sq mi land

0.38

sq mi water

603

area code

Lempster, NH ZIP code map

About Lempster, NH

Lempster is a quaint town located in the beautiful state of New Hampshire. Nestled in Sullivan County, it provides a serene environment characterized by its picturesque landscapes and rich natural beauty. Known for its small-town charm, Lempster appeals to those seeking a peaceful lifestyle away from the hustle and bustle of city life.

Location & geography

Lempster is situated in the west-central part of New Hampshire, making it a notable location within Sullivan County. The town covers a land area of 31.54 square miles and has a water area of 0.38 square miles, contributing to its scenic charm. Nearby cities include Claremont, approximately 18 miles to the south, Newport at about 13 miles to the east, and Sunapee, which lies around 15 miles to the northeast.

Community & economy

Lempster is characterized by a close-knit community that values tranquility and natural beauty. The local industries primarily include agriculture, tourism, and small-scale manufacturing, which provide residents with a humble, yet sustainable living. Daily life in Lempster is shaped by outdoor activities, community events, and a shared appreciation for the local environment.

Transportation

Access to Lempster is primarily through state and local roads, with New Hampshire Route 10 running nearby, allowing for convenient travel to surrounding areas. The nearest significant airport is Lebanon Municipal Airport, located approximately 27 miles away, providing access to regional flights. Public transit options are limited, encouraging residents to rely on personal vehicles for transportation.

History

Lempster was incorporated in 1799 and has a history rooted in agriculture and forestry, making these key industries for many years. The town was named after Lempster, England, showcasing its colonial heritage and connection to early American settlement. Significant events in Lempster’s development often include community gatherings and historical celebrations that emphasize its rich local culture.

Did you know?

One surprising fact about Lempster is that it is home to Lempster Mountain, which offers hiking opportunities and panoramic views of the surrounding area. Additionally, the town is known for its strong commitment to preserving its natural landscapes and historical sites.

ZIP codes for Lempster, NH (1)

ZIP code	City	County	Map
03605	Lempster	Sullivan	View map

Demographics & statistics

934

Population

42.8

Median age

$92,500

Median household income

$34,320

Per capita income

$202,000

Median home value

Median monthly rent

94.4%

Home ownership

6.5%

Poverty rate

3.3%

Unemployment

626

Housing units

22.7%

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	233	24.9%
18 and over	701	75.1%
65 and over	181	19.4%
Median age	42.8 years

Race & ethnicity

White 98.8%

Two or more races 1.2%

Group	Count	%
White	923	98.8%
Two or more races	11	1.2%

Household income

Under $10k 1.0%

$10k–$15k 1.0%

$15k–$25k 6.3%

$25k–$35k 7.6%

$35k–$50k 8.9%

$50k–$75k 16.1%

$75k–$100k 16.8%

$100k–$150k 34.5%

$150k–$200k 4.3%

$200k+ 3.6%

Range	% of households
Under $10k	1.0%
$10k–$15k	1.0%
$15k–$25k	6.3%
$25k–$35k	7.6%
$35k–$50k	8.9%
$50k–$75k	16.1%
$75k–$100k	16.8%
$100k–$150k	34.5%
$150k–$200k	4.3%
$200k+	3.6%
Median income	$92,500

Housing

Home values

Under $50k 0.7%

$50k–$100k 5.2%

$100k–$150k 15.0%

$150k–$200k 28.2%

$200k–$300k 34.5%

$300k–$500k 13.6%

$500k–$1M 2.8%

Housing overview

Metric	Value
Median home value	$202,000
Median rent / month	$0
Owner occupied	94.4%
Renter occupied	5.6%
Vacant	52.7%
Single-family detached	89.3%
Large apartment buildings	0.5%
Mobile homes	9.3%
Median rooms	5.2
Avg household size (owned)	3.20

Year built

Era	%
2020 or later	0.3%
2010–2019	4.5%
2000–2009	13.5%
1990–1999	4.5%
1980–1989	14.0%
1970–1979	28.3%
1960–1969	5.0%
1950–1959	3.0%
1940–1949	0.3%
1939 or earlier	26.6%

Bedrooms

Size	% of units
No bedroom (studio)	0.6%
1 bedroom	13.2%
2 bedrooms	35.3%
3 bedrooms	35.0%
4 bedrooms	11.2%
5+ bedrooms	4.7%

Vehicles per household

Vehicles	% of households
No vehicle	4.6%
1 vehicle	18.1%
2 vehicles	40.1%
3 or more	37.2%

Heating fuel

Fuel type	%
Electricity	5.3%
Propane / LP gas	12.2%
Fuel oil	40.5%
Wood	37.2%
Solar	0.7%

Households & families

Household type	Count	%
Married-couple family	166	54.6%
Cohabiting couple	30	9.9%
Male householder, no spouse	96	31.6%
Female householder, no spouse	12	3.9%
Households with children under 18	87	28.6%
Households with seniors (65+)	110	36.2%
Average household size	3.07

Marital status

Status	Male	Female
Never married	24.1%	34.3%
Married	48.9%	46.3%
Separated	0.6%	2.6%
Widowed	4.3%	7.3%
Divorced	22.2%	9.4%

Education

Less than 9th grade 3.7%

Some HS, no diploma 7.2%

HS graduate 43.0%

Some college, no degree 15.5%

Associate's degree 7.8%

Bachelor's degree 12.6%

Graduate / professional 10.2%

Metric	%
HS diploma or higher	89.1%
Bachelor's or higher	22.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	15	6.8%
Kindergarten	11	5.0%
Elementary school	97	44.1%
High school	37	16.8%
College / grad school	60	27.3%

Employment

Industry of employment

Education & healthcare 23.4%

Construction 18.0%

Retail trade 17.1%

Manufacturing 13.7%

Wholesale trade 5.6%

Professional & management 4.9%

Transportation & utilities 4.1%

Finance & real estate 3.7%

Agriculture & mining 3.2%

Arts, food & hospitality 2.4%

Other services 1.7%

Public administration 1.5%

Information 0.7%

Occupation

Category	%
Management, business & arts	31.2%
Service	15.1%
Sales & office	14.6%
Natural resources & construction	21.7%
Production & transportation	17.3%

Employment type

Type	%
Private sector	82.2%
Government	6.1%
Self-employed	11.7%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	77.7%
Carpool	12.9%
Public transit	0.0%
Walk	1.0%
Other means	0.0%
Avg commute (minutes)	35.6

Poverty

All people 6.5%

Under 18 years 7.3%

18 and over 6.3%

Married-couple families 0.0%

Female-led households 20.0%

Income support

Source	% of households
Social Security	35.2%
Retirement income	20.7%
Supplemental Security	1.6%
Cash public assistance	0.7%
Food stamps / SNAP	6.6%

Health indicators

Condition	%
High blood pressure	30.7%
High cholesterol	33.2%
Heart disease	6.2%
Stroke	2.8%
Asthma	11.1%
Arthritis	26.9%
Kidney disease	2.6%
Pulmonary disease	7.0%
Cancer	6.8%

Behavior / access	%
Binge drinking	17.1%
No physical activity	20.3%
Less than 7 hrs sleep	34.4%
Fair or poor health	13.1%
Poor mental health	14.5%
Poor physical health	10.7%
No health insurance	11.2%
Visited doctor (checkup)	69.9%
Visited dentist	65.1%
Cholesterol screening	91.1%
Teeth loss	14.1%

Veterans & disability

Veterans	Count	%
Civilian veterans	51	7.3%

Disability	%
Any disability	8.8%
Under 18	1.7%
18–64 years	7.3%
65 and over	22.1%

Health insurance coverage

Type	%
Private insurance	73.6%
Public insurance	30.9%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	863	92.4%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	930	99.6%
Born in same state	927	99.3%
Born in different state	414	44.3%
Foreign born	3	0.3%
Naturalized citizen	4	0.4%
Not a US citizen	2	50.0%

Ancestry

Ancestry	Count	%
French	256	27.4%
Italian	165	17.7%
German	49	5.2%
Arab	44	4.7%

Ancestry	Count	%
Polish	7	0.7%
Norwegian	4	0.4%
Irish	2	0.2%

Technology access

Metric	% of households
Computer access	32.5%
Internet access	94.7%

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

Frequently asked questions

What ZIP codes does Lempster, NH have?

Lempster, NH has one ZIP code: 03605. Each ZIP code serves a distinct delivery area within the city and surrounding region.