Grafton ZIP Code List — Grafton County, NH

There is one unique ZIP code in Grafton, New Hampshire and it is 03240. Area code: 603.

ZIP codes

41.47

sq mi land

0.93

sq mi water

603

area code

Grafton, NH ZIP code map

About Grafton, NH

Grafton is a charming town located in New Hampshire, known for its picturesque landscapes and serene environment. Nestled in Grafton County, Grafton offers a quaint atmosphere that appeals to both residents and visitors alike. Its welcoming community and rural setting make it an ideal spot for those seeking the tranquility of small-town life.

Location & geography

Grafton is situated in the central part of New Hampshire, approximately 20 miles from nearby cities such as Lebanon, Claremont, and Plymouth. The town encompasses a land area of 41.47 square miles, with an additional water area of 0.93 square miles, contributing to its natural beauty. The terrain is characterized by rolling hills and lush forests, providing ample opportunities for outdoor activities.

Community & economy

The character of Grafton is deeply rooted in a strong sense of community and a commitment to maintaining its historical charm. The local economy primarily revolves around agriculture and small businesses, with residents engaging in various industries that support the town's rural lifestyle. Daily life in Grafton is characterized by community events, local markets, and an emphasis on outdoor recreational activities, fostering a close-knit environment.

Transportation

Grafton is accessible via several highways, including New Hampshire Route 4 and Route 10, facilitating travel to neighboring areas. The nearest major airport is Lebanon Municipal Airport, located about 20 miles away, which provides convenient flight options for residents and visitors. Public transportation options are limited, making personal vehicles the primary mode of transit.

History

Grafton was founded in the late 1700s and has a rich heritage associated with its early establishment in Grafton County. The town's economy historically centered on agriculture and logging, which were vital to its development. Over the years, Grafton has maintained its quaint charm and continues to celebrate its historical roots through various events and community programs.

Did you know?

One surprising fact about Grafton is that it is home to the Grafton Town Forest, a protected area that offers trails for hiking and opportunities to experience local wildlife. Additionally, the town hosts the popular Grafton Historical Society, which serves to preserve the local history and heritage through educational programs and events.

ZIP codes for Grafton, NH (1)

ZIP code	City	County	Map
03240	Grafton	Grafton	View map

Demographics & statistics

1,200

Population

49.9

Median age

$72,500

Median household income

$39,186

Per capita income

$212,900

Median home value

$1,172

Median monthly rent

90.2%

Home ownership

9.4%

Poverty rate

6.9%

Unemployment

653

Housing units

25.4%

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	221	18.4%
18 and over	979	81.6%
65 and over	240	20.0%
Median age	49.9 years

Race & ethnicity

White 89.8%

Two or more races 6.2%

Hispanic or Latino 2.4%

Native Hawaiian / Pacific Islander 0.8%

Asian 0.4%

American Indian / Alaska Native 0.2%

Other race 0.1%

Group	Count	%
White	1,105	89.8%
Two or more races	76	6.2%
Hispanic or Latino	30	2.4%
Native Hawaiian / Pacific Islander	10	0.8%
Asian	5	0.4%
American Indian / Alaska Native	3	0.2%
Other race	1	0.1%

Household income

Under $10k 2.9%

$10k–$15k 4.1%

$15k–$25k 5.6%

$25k–$35k 7.1%

$35k–$50k 10.6%

$50k–$75k 21.6%

$75k–$100k 18.7%

$100k–$150k 14.3%

$150k–$200k 5.4%

$200k+ 9.8%

Range	% of households
Under $10k	2.9%
$10k–$15k	4.1%
$15k–$25k	5.6%
$25k–$35k	7.1%
$35k–$50k	10.6%
$50k–$75k	21.6%
$75k–$100k	18.7%
$100k–$150k	14.3%
$150k–$200k	5.4%
$200k+	9.8%
Median income	$72,500

Housing

Home values

Under $50k 6.4%

$50k–$100k 6.2%

$100k–$150k 19.1%

$150k–$200k 14.5%

$200k–$300k 27.8%

$300k–$500k 21.8%

$500k–$1M 1.6%

$1M+ 2.5%

Housing overview

Metric	Value
Median home value	$212,900
Median rent / month	$1,172
Owner occupied	90.2%
Renter occupied	9.8%
Vacant	31.1%
Single-family detached	82.6%
Large apartment buildings	0.0%
Mobile homes	14.0%
Median rooms	5.2
Avg household size (owned)	2.40

Year built

Era	%
2020 or later	0.0%
2010–2019	4.0%
2000–2009	12.9%
1990–1999	11.0%
1980–1989	21.9%
1970–1979	15.3%
1960–1969	6.3%
1950–1959	2.4%
1940–1949	0.4%
1939 or earlier	25.9%

Bedrooms

Size	% of units
No bedroom (studio)	4.7%
1 bedroom	9.3%
2 bedrooms	37.6%
3 bedrooms	34.7%
4 bedrooms	11.0%
5+ bedrooms	2.7%

Vehicles per household

Vehicles	% of households
No vehicle	1.2%
1 vehicle	27.6%
2 vehicles	45.0%
3 or more	26.1%

Heating fuel

Fuel type	%
Utility gas	1.0%
Electricity	0.6%
Propane / LP gas	33.2%
Fuel oil	32.0%
Wood	27.8%
No fuel used	0.8%

Households & families

Household type	Count	%
Married-couple family	245	50.8%
Cohabiting couple	71	14.7%
Male householder, no spouse	103	21.4%
Female householder, no spouse	63	13.1%
Households with children under 18	121	25.1%
Households with seniors (65+)	168	34.9%
Average household size	2.49

Marital status

Status	Male	Female
Never married	33.8%	20.6%
Married	46.2%	56.6%
Separated	0.5%	1.4%
Widowed	5.4%	4.2%
Divorced	14.1%	17.2%

Education

Less than 9th grade 2.6%

Some HS, no diploma 7.9%

HS graduate 32.8%

Some college, no degree 21.2%

Associate's degree 10.1%

Bachelor's degree 16.0%

Graduate / professional 9.4%

Metric	%
HS diploma or higher	89.5%
Bachelor's or higher	25.4%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	16	7.4%
Kindergarten	20	9.3%
Elementary school	80	37.2%
High school	41	19.1%
College / grad school	58	27.0%

Employment

Industry of employment

Education & healthcare 27.2%

Other services 11.6%

Manufacturing 11.4%

Construction 11.1%

Professional & management 9.3%

Retail trade 8.8%

Transportation & utilities 5.8%

Finance & real estate 5.6%

Public administration 3.6%

Wholesale trade 2.3%

Arts, food & hospitality 2.3%

Information 0.8%

Occupation

Category	%
Management, business & arts	26.4%
Service	22.4%
Sales & office	17.4%
Natural resources & construction	14.9%
Production & transportation	18.9%

Employment type

Type	%
Private sector	77.9%
Government	10.4%
Self-employed	11.6%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	83.3%
Carpool	1.8%
Public transit	0.0%
Walk	0.9%
Other means	0.7%
Avg commute (minutes)	39.8

Poverty

All people 9.4%

Under 18 years 6.7%

18 and over 10.0%

Married-couple families 5.3%

Female-led households 3.4%

Income support

Source	% of households
Social Security	36.9%
Retirement income	29.7%
Supplemental Security	8.3%
Cash public assistance	2.9%
Food stamps / SNAP	9.1%

Health indicators

Condition	%
High blood pressure	29.3%
High cholesterol	31.2%
Heart disease	6.6%
Stroke	2.9%
Asthma	10.8%
Arthritis	26.6%
Kidney disease	2.7%
Pulmonary disease	7.2%
Cancer	7.0%

Behavior / access	%
Binge drinking	16.6%
No physical activity	18.9%
Less than 7 hrs sleep	31.2%
Fair or poor health	13.3%
Poor mental health	14.7%
Poor physical health	10.8%
No health insurance	11.5%
Visited doctor (checkup)	73.2%
Visited dentist	64.7%
Cholesterol screening	91.2%
Teeth loss	13.1%

Veterans & disability

Veterans	Count	%
Civilian veterans	107	10.9%

Disability	%
Any disability	18.5%
Under 18	3.2%
18–64 years	17.7%
65 and over	35.0%

Health insurance coverage

Type	%
Private insurance	64.5%
Public insurance	43.0%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,132	94.3%
Spanish	5	0.4%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	5	0.4%

Place of birth & citizenship

Origin	Count	%
Native born (US)	1,174	97.8%
Born in same state	1,174	97.8%
Born in different state	489	40.8%
Foreign born	0	0.0%
Naturalized citizen	26	2.2%
Not a US citizen	14	53.8%

Ancestry

Ancestry	Count	%
Italian	200	16.7%
French	194	16.2%
Arab	56	4.7%
German	53	4.4%
Polish	9	0.8%

Ancestry	Count	%
English	7	0.6%
Norwegian	7	0.6%
Irish	3	0.3%
Dutch	2	0.2%

Technology access

Metric	% of households
Computer access	40.2%
Internet access	97.3%

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

Frequently asked questions

What is the ZIP code for Grafton, NH?

Grafton, NH has one ZIP code: 03240.

What is the main ZIP code for Grafton, NH?

The primary ZIP code for Grafton, NH is 03240. The city uses area code 603 for phone service.

What county is Grafton, NH in?

Grafton is located in Grafton County, New Hampshire.

How many ZIP codes are in Grafton, NH?

Grafton, NH has 1 ZIP code.

What ZIP code should I use for mailing packages to businesses in downtown Grafton near the town common?

Downtown Grafton and the town common area use ZIP code 03240, which is the primary ZIP code serving the central business district of this Grafton County town.

If I'm sending mail to a residence in Grafton, NH located along Route 4, what ZIP code do I need?

Residences along Route 4 in Grafton, including those in the surrounding areas of this town, use ZIP code 03240 for all mail delivery.