Errol, NH

Town in NH, US

By Neilsberg Research

Last updated May 1, 2026

Key Indicators

A quick look at key numbers

Population

314

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

Median Age

63.1

years ∙ half population younger than 63.1, half older

Diversity Index

chance two random people differ in race and ethnicity

Nativity

foreign-born population

99%Native

1% Foreign-born

Geographic Context

Location, size, and surroundings

About

Errol is a town in Coos County, New Hampshire, United States.

Location

Town in NH, US

Co-ordinates

DEC44.758253° N, 71.108812° W

DMS44° 45′ 29.71″ N, 71° 06′ 31.72″ W

Population Density & area

5.2/sq mi (2.01/km²)

Total Area

69.5 sq mi (179.8 km²)

Land Area

60.4 sq mi (156.3 km²) · 86.9%

Water Area

9.1 sq mi (23.5 km²) · 13.1%

Demographics & Living

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

Population Composition

Key characteristics of the population

Sex Distribution

51.3% male

Male 51.3%

Female 48.7%

males per 100 females

Errol 105.2

New Hampshire 99.7

United States 98

Nativity

foreign-born population

99%Native

1% Foreign-born

% Foreign-born

Errol 1%

New Hampshire 6.1%

United States 14.1%

Age Distribution

How the population is spread across age groups

Median Age

63.1

years ∙ half population younger than 63.1, half older

Errol

63.1

New Hampshire

43.3

United States

38.9

Dependency ratio

119.6

dependents per 100 working-age adults

Errol 119.6

New Hampshire 62.3

United States 64.4

AGE DISTRIBUTION

Distribution of age group

Median age

	Errol	New Hampshire	United States
Age Group
Children (Under 18)	12.4%	18.2%	22%
Working age (18-64)	45.6%	61.7%	60.8%
Senior (65+)	42%	20.1%	17.2%
Dependency ratio
Total dependency ratio	119.6	62.3	64.4
Child dependency ratio	27.3	29.6	36.1
Old-age dependency ratio	92.3	32.7	28.3

Racial & Ethnic Composition

Racial and ethnic makeup and how it compares

Race & Ethnicity

White

100%

Black

Asian

Hispanic

Other

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

chance two random people differ in race and ethnicity

Errol 0%

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 Errol population

	Errol	New Hampshire	United States
Hispanic or Latino	0%	4.7%	19.3%
Mexican	0%	0.8%	11.3%
Puerto Rican	0%	1.4%	1.8%
Cuban	0%	0.1%	0.8%
Other Hispanic / Latino	0%	2.3%	5.5%
Not Hispanic or Latino	100%	95.3%	80.7%
One race	100%	91.3%	76.4%
White	100%	86.9%	57.4%
Black or African American	0%	1.3%	11.9%
American Indian and Alaska Native	0%	0.1%	0.5%
Asian	0%	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)	0%	4%	4.3%

Household & Families Composition

Household size, type, and family structure

Household structure

63.3% family

Family 63.3%

Non family 36.7%

% family households

Errol 63.3%

New Hampshire 64.5%

United States 64.2%

Average household size

1.99

persons per household

Errol

1.99

New Hampshire

2.44

United States

2.53

Household & Family COMPOSITION

Households

Percentage of Errol population

	Errol	New Hampshire	United States
Total households	158	555,822	129,227,496
Average houshold size	1.99	2.44	2.53
Family households	100	358,314	82,990,528
Average family size	2.39	2.97	3.14
Married couple family	83	286,197	60,637,388
Other families	17	72,117	22,353,140
Male householder	0	24,853	6,572,819
Female householder	17	47,264	15,780,321
Non-family households	58	197,508	46,236,968
One-person households	46	152,350	37,140,836
Male householder	34	68,271	16,871,444
Senior (65+) living alone	10	25,581	5,225,110
Female householder	12	84,079	20,269,392
Senior (65+) living alone	10	46,808	10,089,070
Other living arrangements	12	45,158	9,096,132

Housing Profile

Housing stock, ownership, rentals, and cost burdens

Total housing units

513

housing units

Errol 513

New Hampshire 648,472

United States 143,775,355

Occupancy status

30.8% occupied

Occupied 30.8%

Vacant 69.2%

vacancy rate

Errol 69.2%

New Hampshire 14.3%

United States 10.1%

Housing Characteristics

How the housing supply is structured and used

Types of Housing unit

88.9%

Single family houses

88.9%

Apartments in multi-unit structures

2.3%

Mobile homes

8.8%

Boat, RV, van, etc

Median Year Built

1973

Half of houses were built before 1973, and half after.

Historic ∙ 1939 or earlier

17%

Postwar & mid-century ∙ 1940 - 1969

24.5%

Late 20th century ∙ 1970 - 1999

37%

Modern ∙ 2000 or later

21.4%

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

Housing Characteristics

Units, rooms & bedrooms

Physical characteristics of housing units

	Errol	New Hampshire	United States
Rooms per unit
Median rooms	4.4	5.6	5.5
1–3 rooms	19.8%	13.4%	15.1%
4–6 rooms	66.2%	51.4%	51.6%
7+ rooms	13.9%	35.2%	33.4%
Bedrooms
No bedroom / studio	2.1%	1.7%	2.9%
1 bedroom	13.6%	11.2%	10.9%
2 bedrooms	48%	29.9%	25%
3 bedrooms	28.1%	37.7%	38.7%
4+ bedrooms	8.2%	19.5%	22.4%
At a glance
Median year built	1973	1980	1981
Total housing units	513	648,472	143,775,355

Occupancy Profile

Who is inside and how they use it

Homeownership

96.8% owners

Renter-occupied 3.2%

Owner-occupied 96.8%

homeownership rate

Errol 96.8%

New Hampshire 72.8%

United States 65.2%

Average household size

2.02

Owner-occupied

—

Renter-occupied

owner-occupied average size

Errol 2.02

New Hampshire 2.58

United States 2.64

Housing Characteristics

Occupied unit characteristics

Tenure, crowding, and utilities

	Errol	New Hampshire	United States
Total occupied units	158	555,822	129,227,496
Year moved in
2020 or later	0.6%	21.2%	24.8%
2010 to 2019	31%	39.6%	39.6%
2000 to 2009	27.8%	17.5%	16.4%
1999 or earlier	40.5%	21.7%	19.1%
Occupants per room
1.00 or fewer	100%	98.6%	96.6%
1.01 to 1.50	0%	0.9%	2.2%
1.51 or more	0%	0.5%	1.2%
Vehicles availability
No vehicles	0.6%	4.6%	8.4%
1 vehicle	28.5%	31.2%	33.1%
2 vehicles	48.1%	40.8%	36.6%
3 or more vehicles	22.8%	23.4%	21.9%
House heating fuel used
Gas	27.8%	40.6%	51.4%
Electricity	0.6%	11.1%	41.3%
Solar	0%	0.3%	0.3%
Fuel oil, kerosene etc	55.1%	39.5%	3.9%
All other fuels	16.5%	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

$275,000

owner-occupied units

Median value(USD)

Errol

$275,000

New Hampshire

$402,500

United States

$332,700

Housing Cost Burden

48.4%

of homeowners with a mortgage are cost-burdened

% Cost-Burdened Households

Owners with a mortgage

48.4%

Owners without a mortgage

6.6%

Renters

40%

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

	Errol	New Hampshire	United States
Property value
Median Value	$275,000	$402,500	$332,700
Under $100,000	3.3%	5.8%	11.4%
$100,000 - $200,000	26.8%	7.6%	15.8%
$200,000 - $300,000	22.2%	16.1%	17.8%
$300,000 - $500,000	40.5%	38.7%	26.9%
$500,000 - $1,000,000	7.2%	27.6%	20.9%
$1,000,000 and more	0%	4.1%	7.1%
Owner-occupied households
With a mortgage	20.3%	62.2%	60.6%
Without a mortgage	79.7%	37.8%	39.4%
Median monthly owner costs
With a mortgage	$1,683	$2,367	$1,963
Without a mortgage	$564	$995	$638
Gross rent
Median rent	$—	$1,491	$1,413

Education Profile

How educated is the community and how education pays off

Adults with a college degree

15.3%

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

Errol 15.3%

New Hampshire 40.6%

United States 35.7%

Adults without a high school diploma

4.2%

of adults (25+) without a high school diploma

Errol 4.2%

New Hampshire 5.6%

United States 10.4%

School Enrollment

Who is enrolled in school and at what level

School enrollment

population (age 3+) enrolled in school

Nursery / Preschool

K–12

82.1%

College / Undergraduate

17.9%

Graduate / Professional

College-going rate (18-24 yr olds)

38.5%

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

Errol

38.5%

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

	Errol	New Hampshire	United States
Total enrolled (age 3+)	28	291,492	80,089,790
Nursery / preschool	0%	5.9%	5.7%
K–12	82.1%	65.5%	67.6%
Kindergarten	0%	4.5%	5%
Elementary: Grades 1–4	7.1%	18.4%	19.8%
Elementary: Grades 5–8	75%	20.3%	21%
High School: Grades 9–12	0%	22.3%	21.7%
College or graduate school	17.9%	28.6%	26.7%
College, undergraduate	17.9%	22.4%	21%
Graduate, professional school	0%	6.2%	5.8%
College-going rate · 18-24 yr olds	38.5%	42.6%	40.9%
School type
Public school	46.4%	77%	82%
Private school	53.6%	23%	18%

Education Attainment by Level & Gender

What is the highest level of education completed among adults

Education attainment

262

population 25 years and over

Total adults (25+)

Less than 9th grade

1.9%

9th-12th, no diploma

2.3%

HS graduate

46.9%

Some college no degree

20.6%

Associates degree

13%

Bachelors degree

8.8%

Graduate or professional degree

6.5%

Attainment by gender

Male vs Female

Adults (25+) · Share within each education level

% male · % female

Less than 9th grade

40% · 60%

9th-12th, no diploma

83.3% · 16.7%

HS graduate

52% · 48%

Some college no degree

61.1% · 38.9%

Associates degree

38.2% · 61.8%

Bachelors degree

56.5% · 43.5%

Graduate or professional degree

11.8% · 88.2%

Educational Attainment Overview

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

Highest credential completed · adults 25+

	Errol	New Hampshire	United States
Population (25+)	262	1,019,229	230,807,303
Less than 9th grade	1.9%	1.8%	4.7%
9th–12th, no diploma	2.3%	3.8%	5.7%
High school diploma or GED	46.9%	26.8%	26%
Some college, no degree	20.6%	17.2%	19.1%
Associate's degree	13%	9.8%	8.8%
Bachelor's degree or higher	15.3%	40.6%	35.7%
Bachelor's degree	8.8%	24.5%	21.6%
Graduate or professional	6.5%	16.1%	14.1%
High School or higher	95.8%	94.4%	89.6%

Earnings by education level

percentage as applicable

Median Earnings

$32,159

Median earnings for adults 25+, by level

Less than HS graduate

$—

HS graduate

$30,750

Some college or associates

$36,250

Bachelors degree

$25,500

Graduate or professional degree

$98,750

Poverty Rate

7.5%

for ages 25+, with bachelors degree or higher

Less than HS graduate

45.5%

HS graduate

11.4%

Some college or associates

2.3%

Bachelors degree or higher

7.5%

Outcomes by Education Level

Earnings and poverty rates across education levels (25+)

Adults 25+

	Errol	New Hampshire	United States
Median earnings
Population 25+, with earnings	$32,159	$60,332	$52,696
Less than high school graduate	$—	$40,457	$32,485
High school graduate (includes equivalency)	$30,750	$48,323	$40,153
Some college or associate's degree	$36,250	$52,211	$47,260
Bachelor's degree	$25,500	$72,069	$70,044
Graduate or professional degree	$98,750	$88,483	$90,720
Poverty rates
Less than high school graduate	45.5%	20.6%	24.2%
High school graduate (includes equivalency)	11.4%	9.6%	14.4%
Some college or associate's degree	2.3%	6.5%	9.8%
Bachelor's degree or higher	7.5%	3.1%	4.5%

Insights for Errol, 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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