Lyme, NH

Town in NH, US

By Neilsberg Research

Last updated May 1, 2026

Key Indicators

A quick look at key numbers

Population

1,710

Source: U.S. Census Bureau American Community Survey (ACS) 2020-2024 5-Year Estimates

Median Age

48.6

years ∙ half population younger than 48.6, half older

Diversity Index

19%

chance two random people differ in race and ethnicity

Nativity

5.4%

foreign-born population

94.6%Native

5.4% Foreign-born

Geographic Context

Location, size, and surroundings

About

Lyme is a town in Grafton County, New Hampshire, United States.

Location

Town in NH, US

Co-ordinates

DEC43.816634° N, 72.094295° W

DMS43° 48′ 59.88″ N, 72° 05′ 39.46″ W

Population Density & area

31.78/sq mi (12.27/km²)

Total Area

55 sq mi (142.5 km²)

Land Area

53.8 sq mi (139.4 km²) · 97.8%

Water Area

1.2 sq mi (3.1 km²) · 2.2%

Demographics & Living

Who lives here, how households are formed, and community composition

Population Composition

Key characteristics of the population

Sex Distribution

46.5% male

Male 46.5%

Female 53.5%

males per 100 females

Lyme 87.1

New Hampshire 99.7

United States 98

Nativity

5.4%

foreign-born population

94.6%Native

5.4% Foreign-born

% Foreign-born

Lyme 5.4%

New Hampshire 6.1%

United States 14.1%

Age Distribution

How the population is spread across age groups

Median Age

48.6

years ∙ half population younger than 48.6, half older

Lyme

48.6

New Hampshire

43.3

United States

38.9

Dependency ratio

85.3

dependents per 100 working-age adults

Lyme 85.3

New Hampshire 62.3

United States 64.4

AGE DISTRIBUTION

Distribution of age group

Median age

	Lyme	New Hampshire	United States
Age Group
Children (Under 18)	19.5%	18.2%	22%
Working age (18-64)	54%	61.7%	60.8%
Senior (65+)	26.5%	20.1%	17.2%
Dependency ratio
Total dependency ratio	85.3	62.3	64.4
Child dependency ratio	36.1	29.6	36.1
Old-age dependency ratio	49.2	32.7	28.3

Racial & Ethnic Composition

Racial and ethnic makeup and how it compares

Race & Ethnicity

White

89.8%

Black

Asian

2.7%

Hispanic

Other

3.5%

Note: White, Black, and Asian refer to individuals belonging to a single race and not of Hispanic origin. Hispanics may be of any race.

Diversity Index

19%

chance two random people differ in race and ethnicity

Lyme 19%

New Hampshire 24%

United States 61.4%

Note: The Diversity Index (DI), based on the Blau Index, measures the probability that two randomly selected individuals differ in race and ethnicity. Values range from 0 (no diversity) to 1 (high diversity) and are shown as percentages.

RACIAL & ETHNIC COMPOSITION

Race & Ethnicity

Percentage of Lyme population

	Lyme	New Hampshire	United States
Hispanic or Latino	4%	4.7%	19.3%
Mexican	0.6%	0.8%	11.3%
Puerto Rican	0%	1.4%	1.8%
Cuban	1.7%	0.1%	0.8%
Other Hispanic / Latino	1.6%	2.3%	5.5%
Not Hispanic or Latino	96%	95.3%	80.7%
One race	92.5%	91.3%	76.4%
White	89.8%	86.9%	57.4%
Black or African American	0%	1.3%	11.9%
American Indian and Alaska Native	0.1%	0.1%	0.5%
Asian	2.7%	2.6%	5.9%
Native Hawaiian and Other Pacific Islander	0%	0%	0.2%
Some Other Race	0%	0.4%	0.6%
Two or more races (Multiracial)	3.5%	4%	4.3%

Household & Families Composition

Household size, type, and family structure

Household structure

68.6% family

Family 68.6%

Non family 31.4%

% family households

Lyme 68.6%

New Hampshire 64.5%

United States 64.2%

Average household size

2.47

persons per household

Lyme

2.47

New Hampshire

2.44

United States

2.53

Household & Family COMPOSITION

Households

Percentage of Lyme population

	Lyme	New Hampshire	United States
Total households	687	555,822	129,227,496
Average houshold size	2.47	2.44	2.53
Family households	471	358,314	82,990,528
Average family size	2.94	2.97	3.14
Married couple family	413	286,197	60,637,388
Other families	58	72,117	22,353,140
Male householder	19	24,853	6,572,819
Female householder	39	47,264	15,780,321
Non-family households	216	197,508	46,236,968
One-person households	177	152,350	37,140,836
Male householder	81	68,271	16,871,444
Senior (65+) living alone	27	25,581	5,225,110
Female householder	96	84,079	20,269,392
Senior (65+) living alone	38	46,808	10,089,070
Other living arrangements	39	45,158	9,096,132

Housing Profile

Housing stock, ownership, rentals, and cost burdens

Total housing units

832

housing units

Lyme 832

New Hampshire 648,472

United States 143,775,355

Occupancy status

82.6% occupied

Occupied 82.6%

Vacant 17.4%

vacancy rate

Lyme 17.4%

New Hampshire 14.3%

United States 10.1%

Housing Characteristics

How the housing supply is structured and used

Types of Housing unit

83.8%

Single family houses

83.8%

Apartments in multi-unit structures

14%

Mobile homes

2.2%

Boat, RV, van, etc

Median Year Built

1980

Half of houses were built before 1980, and half after.

Historic ∙ 1939 or earlier

32%

Postwar & mid-century ∙ 1940 - 1969

9.8%

Late 20th century ∙ 1970 - 1999

40.3%

Modern ∙ 2000 or later

17.9%

Note: Median year built reflects occupied units only; distribution includes all units.

Housing Characteristics

Units, rooms & bedrooms

Physical characteristics of housing units

	Lyme	New Hampshire	United States
Rooms per unit
Median rooms	6.5	5.6	5.5
1–3 rooms	11.3%	13.4%	15.1%
4–6 rooms	38.6%	51.4%	51.6%
7+ rooms	50.1%	35.2%	33.4%
Bedrooms
No bedroom / studio	0.7%	1.7%	2.9%
1 bedroom	12.6%	11.2%	10.9%
2 bedrooms	20.4%	29.9%	25%
3 bedrooms	40%	37.7%	38.7%
4+ bedrooms	26.2%	19.5%	22.4%
At a glance
Median year built	1980	1980	1981
Total housing units	832	648,472	143,775,355

Occupancy Profile

Who is inside and how they use it

Homeownership

80.5% owners

Renter-occupied 19.5%

Owner-occupied 80.5%

homeownership rate

Lyme 80.5%

New Hampshire 72.8%

United States 65.2%

Average household size

2.69

Owner-occupied

1.55

Renter-occupied

owner-occupied average size

Lyme 2.69

New Hampshire 2.58

United States 2.64

Housing Characteristics

Occupied unit characteristics

Tenure, crowding, and utilities

	Lyme	New Hampshire	United States
Total occupied units	687	555,822	129,227,496
Year moved in
2020 or later	24.9%	21.2%	24.8%
2010 to 2019	28.2%	39.6%	39.6%
2000 to 2009	19.5%	17.5%	16.4%
1999 or earlier	27.3%	21.7%	19.1%
Occupants per room
1.00 or fewer	99.6%	98.6%	96.6%
1.01 to 1.50	0%	0.9%	2.2%
1.51 or more	0.4%	0.5%	1.2%
Vehicles availability
No vehicles	0.9%	4.6%	8.4%
1 vehicle	35.1%	31.2%	33.1%
2 vehicles	41.8%	40.8%	36.6%
3 or more vehicles	22.3%	23.4%	21.9%
House heating fuel used
Gas	34.8%	40.6%	51.4%
Electricity	6.3%	11.1%	41.3%
Solar	0%	0.3%	0.3%
Fuel oil, kerosene etc	40.8%	39.5%	3.9%
All other fuels	18.2%	7.7%	2%
No fuel used	0%	0.8%	1.2%
Selected characteristics
Lacking complete plumbing	0%	0.5%	0.4%
Lacking complete kitchen	0%	0.7%	0.8%
No telephone service available	0%	0.6%	0.9%

Housing Value

What owner-occupied units are worth

Median home value

$645,000

owner-occupied units

Median value(USD)

Lyme

$645,000

New Hampshire

$402,500

United States

$332,700

Housing Cost Burden

42.9%

of homeowners with a mortgage are cost-burdened

% Cost-Burdened Households

Owners with a mortgage

42.9%

Owners without a mortgage

13.6%

Renters

52.8%

Note: Households spending 30% or more of their income on housing costs are considered cost-burdened.

Financial characteristics

Property value and housing costs

Tenure, crowding, and utilities

	Lyme	New Hampshire	United States
Property value
Median Value	$645,000	$402,500	$332,700
Under $100,000	1.3%	5.8%	11.4%
$100,000 - $200,000	4.7%	7.6%	15.8%
$200,000 - $300,000	6%	16.1%	17.8%
$300,000 - $500,000	23%	38.7%	26.9%
$500,000 - $1,000,000	45.4%	27.6%	20.9%
$1,000,000 and more	19.7%	4.1%	7.1%
Owner-occupied households
With a mortgage	57.7%	62.2%	60.6%
Without a mortgage	42.3%	37.8%	39.4%
Median monthly owner costs
With a mortgage	$3,438	$2,367	$1,963
Without a mortgage	$1,294	$995	$638
Gross rent
Median rent	$1,418	$1,491	$1,413

Education Profile

How educated is the community and how education pays off

Adults with a college degree

70.1%

of adults 25+ with a bachelor's degree or higher

Lyme 70.1%

New Hampshire 40.6%

United States 35.7%

Adults without a high school diploma

1.4%

of adults (25+) without a high school diploma

Lyme 1.4%

New Hampshire 5.6%

United States 10.4%

School Enrollment

Who is enrolled in school and at what level

School enrollment

361

population (age 3+) enrolled in school

Nursery / Preschool

4.2%

K–12

80.3%

College / Undergraduate

7.5%

Graduate / Professional

College-going rate (18-24 yr olds)

17.5%

of 18-24-year-olds in college or graduate school

Lyme

17.5%

New Hampshire

42.6%

United States

40.9%

Enrollment & school type

Enrollment levels, college-going rate, and public vs private school split

Population 3+ currently enrolled in a school

	Lyme	New Hampshire	United States
Total enrolled (age 3+)	361	291,492	80,089,790
Nursery / preschool	4.2%	5.9%	5.7%
K–12	80.3%	65.5%	67.6%
Kindergarten	0%	4.5%	5%
Elementary: Grades 1–4	23.5%	18.4%	19.8%
Elementary: Grades 5–8	30.2%	20.3%	21%
High School: Grades 9–12	26.6%	22.3%	21.7%
College or graduate school	15.5%	28.6%	26.7%
College, undergraduate	7.5%	22.4%	21%
Graduate, professional school	8%	6.2%	5.8%
College-going rate · 18-24 yr olds	17.5%	42.6%	40.9%
School type
Public school	87%	77%	82%
Private school	13%	23%	18%

Education Attainment by Level & Gender

What is the highest level of education completed among adults

Education attainment

1,297

population 25 years and over

Total adults (25+)

Less than 9th grade

1.2%

9th-12th, no diploma

0.2%

HS graduate

17.3%

Some college no degree

7.8%

Associates degree

3.5%

Bachelors degree

25.1%

Graduate or professional degree

45%

Attainment by gender

Male vs Female

Adults (25+) · Share within each education level

% male · % female

Less than 9th grade

100% · 0%

9th-12th, no diploma

100% · 0%

HS graduate

46% · 54%

Some college no degree

65.3% · 34.7%

Associates degree

51.1% · 48.9%

Bachelors degree

42.8% · 57.2%

Graduate or professional degree

47.4% · 52.6%

Educational Attainment Overview

Distribution and key education attainment rates for adults (25+)

Highest credential completed · adults 25+

	Lyme	New Hampshire	United States
Population (25+)	1,297	1,019,229	230,807,303
Less than 9th grade	1.2%	1.8%	4.7%
9th–12th, no diploma	0.2%	3.8%	5.7%
High school diploma or GED	17.3%	26.8%	26%
Some college, no degree	7.8%	17.2%	19.1%
Associate's degree	3.5%	9.8%	8.8%
Bachelor's degree or higher	70.1%	40.6%	35.7%
Bachelor's degree	25.1%	24.5%	21.6%
Graduate or professional	45%	16.1%	14.1%
High School or higher	98.6%	94.4%	89.6%

Earnings by education level

percentage as applicable

Median Earnings

$68,500

Median earnings for adults 25+, by level

Less than HS graduate

$—

HS graduate

$50,167

Some college or associates

$33,125

Bachelors degree

$70,441

Graduate or professional degree

$100,000

Poverty Rate

1.1%

for ages 25+, with bachelors degree or higher

Less than HS graduate

83.3%

HS graduate

3.1%

Some college or associates

13%

Bachelors degree or higher

1.1%

Outcomes by Education Level

Earnings and poverty rates across education levels (25+)

Adults 25+

	Lyme	New Hampshire	United States
Median earnings
Population 25+, with earnings	$68,500	$60,332	$52,696
Less than high school graduate	$—	$40,457	$32,485
High school graduate (includes equivalency)	$50,167	$48,323	$40,153
Some college or associate's degree	$33,125	$52,211	$47,260
Bachelor's degree	$70,441	$72,069	$70,044
Graduate or professional degree	$100,000	$88,483	$90,720
Poverty rates
Less than high school graduate	83.3%	20.6%	24.2%
High school graduate (includes equivalency)	3.1%	9.6%	14.4%
Some college or associate's degree	13%	6.5%	9.8%
Bachelor's degree or higher	1.1%	3.1%	4.5%

Insights for Lyme, by topic

Income By year By race By age By gender

Population By year By race By age By gender

About Neilsberg Research

Neilsberg Research team are data scientists with expertise in processing, analysis and visualization of big data helping small businesses make right decisions.

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