Lyme ZIP Code List — Grafton County, NH

There is one unique ZIP code in Lyme, New Hampshire and it is 03768. Area code: 603.

ZIP codes

53.76

sq mi land

1.21

sq mi water

603

area code

Lyme, NH ZIP code map

About Lyme, NH

Lyme, New Hampshire, is a charming town located in Grafton County. Nestled in the picturesque Upper Valley region, Lyme boasts a close-knit community and beautiful rural landscapes. The town is known for its natural beauty, outdoor recreational opportunities, and small-town charm, making it a delightful place to live and visit.

Location & geography

Lyme is situated in the upper part of New Hampshire, providing easy access to the surrounding natural wonders. Nearby cities include Hanover, located approximately 12 miles to the southwest, and Lebanon, about 15 miles to the west. The town encompasses a land area of 53.76 square miles and a water area of 1.21 square miles, showcasing a mix of beautiful terrain and abundant water features.

Community & economy

The character of Lyme is defined by its quaint New England charm and strong sense of community. Residents enjoy a range of local businesses and community events that foster a warm, welcoming environment. The primary industries in Lyme include agriculture, retail, and tourism, with many residents engaging in outdoor activities and local craftsmanship.

Transportation

Lyme is accessible via New Hampshire Route 10, which runs north-south through the town, making travel easy for residents and visitors. The nearest major airport is Lebanon Municipal Airport, approximately 15 miles away, offering regional flights and services. Public transit options are limited, but the area's roadways are well-maintained for personal vehicle travel.

History

Lyme was established in the late 18th century and has a rich history as a rural farming community. The town played a notable role in supporting local industries, including agriculture and timber, which were vital to its early economy. Over the years, Lyme has maintained its historical charm, with several buildings and sites reflecting its storied past.

Did you know?

One interesting fact about Lyme is that it is home to the prestigious Lyme School, which has earned recognition for its quality education and commitment to student development. Additionally, the town's scenic landscapes and outdoor activities attract visitors and nature enthusiasts throughout the year.

ZIP codes for Lyme, NH (1)

ZIP code	City	County	Map
03768	Lyme	Grafton	View map

Demographics & statistics

1,684

Population

50.7

Median age

$135,982

Median household income

$86,536

Per capita income

$622,800

Median home value

$1,417

Median monthly rent

86.6%

Home ownership

2.3%

Poverty rate

5.1%

Unemployment

690

Housing units

67.3%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

103

45–54

104

55–59

60–64

149

65–74

152

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	332	19.7%
18 and over	1,352	80.3%
65 and over	447	26.5%
Median age	50.7 years

Race & ethnicity

White 92.7%

Two or more races 3.6%

Asian 2.1%

Hispanic or Latino 1.2%

Black or African American 0.4%

American Indian / Alaska Native 0.1%

Group	Count	%
White	1,580	92.7%
Two or more races	61	3.6%
Asian	35	2.1%
Hispanic or Latino	20	1.2%
Black or African American	7	0.4%
American Indian / Alaska Native	1	0.1%

Household income

Under $10k 1.9%

$10k–$15k 1.4%

$15k–$25k 1.8%

$25k–$35k 2.4%

$35k–$50k 5.0%

$50k–$75k 11.5%

$75k–$100k 10.6%

$100k–$150k 20.2%

$150k–$200k 9.3%

$200k+ 36.0%

Range	% of households
Under $10k	1.9%
$10k–$15k	1.4%
$15k–$25k	1.8%
$25k–$35k	2.4%
$35k–$50k	5.0%
$50k–$75k	11.5%
$75k–$100k	10.6%
$100k–$150k	20.2%
$150k–$200k	9.3%
$200k+	36.0%
Median income	$135,982

Housing

Home values

Under $50k 3.5%

$50k–$100k 0.9%

$100k–$150k 2.6%

$150k–$200k 2.0%

$200k–$300k 11.6%

$300k–$500k 13.7%

$500k–$1M 49.0%

$1M+ 16.6%

Housing overview

Metric	Value
Median home value	$622,800
Median rent / month	$1,417
Owner occupied	86.6%
Renter occupied	13.4%
Vacant	19.3%
Single-family detached	87.9%
Large apartment buildings	0.0%
Mobile homes	3.5%
Median rooms	7.1
Avg household size (owned)	2.71

Year built

Era	%
2020 or later	0.0%
2010–2019	3.6%
2000–2009	10.3%
1990–1999	12.3%
1980–1989	14.0%
1970–1979	9.6%
1960–1969	5.2%
1950–1959	4.9%
1940–1949	4.3%
1939 or earlier	35.9%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	4.4%
2 bedrooms	21.8%
3 bedrooms	40.4%
4 bedrooms	26.7%
5+ bedrooms	6.6%

Vehicles per household

Vehicles	% of households
No vehicle	1.4%
1 vehicle	23.8%
2 vehicles	49.1%
3 or more	25.6%

Heating fuel

Fuel type	%
Utility gas	2.9%
Electricity	3.7%
Propane / LP gas	30.7%
Fuel oil	42.6%
Wood	18.6%

Households & families

Household type	Count	%
Married-couple family	397	63.5%
Cohabiting couple	26	4.2%
Male householder, no spouse	86	13.8%
Female householder, no spouse	116	18.6%
Households with children under 18	171	27.4%
Households with seniors (65+)	296	47.4%
Average household size	2.67

Marital status

Status	Male	Female
Never married	25.1%	23.9%
Married	59.4%	57.2%
Separated	1.0%	0.0%
Widowed	3.0%	7.5%
Divorced	11.5%	11.4%

Education

Less than 9th grade 0.8%

Some HS, no diploma 1.1%

HS graduate 18.2%

Some college, no degree 6.3%

Associate's degree 6.2%

Bachelor's degree 24.3%

Graduate / professional 43.0%

Metric	%
HS diploma or higher	98.1%
Bachelor's or higher	67.3%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	34	9.7%
Kindergarten	12	3.4%
Elementary school	147	41.9%
High school	99	28.2%
College / grad school	59	16.8%

Employment

Industry of employment

Education & healthcare 46.2%

Professional & management 8.9%

Arts, food & hospitality 8.1%

Construction 7.4%

Retail trade 6.3%

Manufacturing 5.5%

Other services 4.4%

Finance & real estate 3.8%

Agriculture & mining 3.0%

Public administration 2.6%

Wholesale trade 1.4%

Transportation & utilities 1.2%

Information 1.2%

Occupation

Category	%
Management, business & arts	64.9%
Service	11.8%
Sales & office	13.2%
Natural resources & construction	4.3%
Production & transportation	5.8%

Employment type

Type	%
Private sector	76.4%
Government	13.8%
Self-employed	9.8%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	66.3%
Carpool	7.5%
Public transit	0.0%
Walk	0.5%
Other means	0.5%
Avg commute (minutes)	20.8

Poverty

All people 2.3%

Under 18 years 0.0%

18 and over 2.8%

Married-couple families 0.0%

Female-led households 8.3%

Income support

Source	% of households
Social Security	41.4%
Retirement income	30.7%
Supplemental Security	1.8%
Cash public assistance	2.9%
Food stamps / SNAP	1.8%

Health indicators

Condition	%
High blood pressure	30.1%
High cholesterol	32.8%
Heart disease	6.6%
Stroke	2.9%
Asthma	10.4%
Arthritis	27.9%
Kidney disease	2.8%
Pulmonary disease	6.5%
Cancer	8.3%

Behavior / access	%
Binge drinking	14.8%
No physical activity	16.6%
Less than 7 hrs sleep	28.3%
Fair or poor health	11.8%
Poor mental health	12.7%
Poor physical health	9.8%
No health insurance	9.1%
Visited doctor (checkup)	75.8%
Visited dentist	70.4%
Cholesterol screening	93.8%
Teeth loss	10.1%

Veterans & disability

Veterans	Count	%
Civilian veterans	154	11.5%

Disability	%
Any disability	11.0%
Under 18	3.9%
18–64 years	7.1%
65 and over	24.2%

Health insurance coverage

Type	%
Private insurance	77.9%
Public insurance	32.8%
Uninsured under 19	3.2%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,599	95.0%
Spanish	3	0.2%
Other Indo-European	3	0.2%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	1,599	95.0%
Born in same state	1,552	92.2%
Born in different state	598	35.5%
Foreign born	47	2.8%
Naturalized citizen	85	5.0%
Not a US citizen	17	20.0%

Ancestry

Ancestry	Count	%
French	450	26.7%
Italian	266	15.8%
German	62	3.7%
Polish	55	3.3%
Arab	33	2%

Ancestry	Count	%
English	25	1.5%
Dutch	24	1.4%
Norwegian	18	1.1%
Irish	4	0.2%

Technology access

Metric	% of households
Computer access	37.1%
Internet access	97.9%

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

Frequently asked questions

What is the ZIP code for Lyme, NH?

Lyme, NH has one ZIP code: 03768.

What is the main ZIP code for Lyme, NH?

The primary ZIP code for Lyme, NH is 03768. The city uses area code 603 for phone service.

What county is Lyme, NH in?

Lyme is located in Grafton County, New Hampshire.

How many ZIP codes are in Lyme, NH?

Lyme, NH has 1 ZIP code.

What ZIP code should I use when mailing a letter to someone living in the Lyme Village area near the town green?

Mail to Lyme Village and the downtown area around the town green should use ZIP code 03768, which covers the central part of Lyme.

If I'm sending a package to Dartmouth College facilities or housing located in Lyme, what ZIP code should I use?

Dartmouth College properties and student housing areas within Lyme use the ZIP code 03768, as the college's Hanover campus extends into portions of Lyme in Grafton County.