03768 ZIP Code — Lyme, NH

Grafton County, New Hampshire

ZIP code 03768 is located in Lyme, New Hampshire, within Grafton County. It covers approximately 53.76 square miles and serves a population of 1,684 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 603.

About ZIP code 03768

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $622,800. Owner-occupancy is high at 87%, well above the national average.

The gap between median ($135,982) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 2% is below the national average. 41% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 21 minutes is near the national average. Remote work is prevalent — 25% of workers work from home.

Educational attainment is high — 67% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Notable community characteristics include a notable veteran presence at 12% of civilians, above the national average of 7%.

Overall, ZIP code 03768 reflects a community defined by a highly educated population, a strong veteran community, high homeownership, a high rate of remote workers, and a significant Social Security-dependent population.

1,684

population

53.76

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

03768 ZIP code map

Cities in ZIP code 03768

Below are the cities the US Postal Service accepts for ZIP code 03768. Using any city not on this list may result in mail delivery delays.

City	Status
Lyme	Preferred

Nearby ZIP codes

05043 East Thetford (5.1 mi) 03777 Orford (5.9 mi) 05045 Fairlee (7.5 mi) 05075 Thetford Center (7.7 mi) 03755 Hanover (8.4 mi) 05058 Post Mills (8.6 mi) 03750 Etna (8.8 mi) 03282 Wentworth (8.9 mi) 05055 Norwich (10.6 mi) 03779 Piermont (11.1 mi) 03741 Canaan (11.4 mi) 03266 Rumney (11.6 mi)

Demographics updated 05/2026

Population
Total population	1,684
Population density	31 / sq mi
State FIPS	33
County FIPS	009

Geography
Land area	53.76 sq mi
Water area	1.21 sq mi
Latitude	43.8221
Longitude	-72.1163
Timezone	Eastern (ET)
Area code	603

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	18.6%	37.5%	31.0%
$50k – $100k	24.5%	32.1%	31.2%
$100k – $200k	27.2%	21.7%	28.1%
Over $200k	29.7%	8.6%	9.7%

Demographics & statistics

1,684

Population

People per sq mi

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

Income range	This ZIP	County avg	State avg
Under $50k	18.6%	37.5%	31.0%
$50k – $100k	24.5%	32.1%	31.2%
$100k – $200k	27.2%	21.7%	28.1%
Over $200k	29.7%	8.6%	9.7%

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%
Work from home	25.3%
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	%
Obesity	31.9%
High blood pressure	30.1%
High cholesterol	32.8%
Diabetes	9.3%
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	%
Smoking	13.2%
Binge drinking	14.8%
No physical activity	16.6%
Less than 7 hrs sleep	28.3%
Depression	22.1%
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%
No insurance	7.5%
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 about ZIP code 03768

What city is ZIP code 03768 in?

ZIP code 03768 is primarily assigned to Lyme, New Hampshire.

What county is ZIP code 03768 in?

ZIP code 03768 falls within Grafton County, New Hampshire.

How educated is the population of ZIP code 03768?

67% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Does ZIP code 03768 have an older population?

27% of residents in ZIP code 03768 are 65 or older, above the national average of ~17%.

Is ZIP code 03768 mostly owner-occupied?

87% of occupied units in ZIP code 03768 are owner-occupied, well above the national average.

Does ZIP code 03768 have a large retiree population?

41% of households in ZIP code 03768 receive Social Security income, suggesting a significant retiree or disability population.

What timezone is ZIP code 03768 in?

ZIP code 03768 observes the EST timezone.