03579 ZIP Code — Errol, NH

Coos County, New Hampshire

ZIP code 03579 is located in Errol, New Hampshire, within Coos County. It covers approximately 562.47 square miles and serves a population of 417 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 603.

About ZIP code 03579

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1990s, giving the area an established character. Median home value is $246,600. Owner-occupancy is high at 93%, well above the national average.

Median household income is $60,000. The poverty rate of 6% is below the national average. 58% 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 22 minutes is near the national average.

College attainment at 10% is below the national average, consistent with a trades and production-oriented local economy.

Notable community characteristics include a notable veteran presence at 14% of civilians, above the national average of 7%; and disability rates above the national average at 29%.

Overall, ZIP code 03579 reflects a community defined by a trades-oriented workforce, a strong veteran community, high homeownership, and a significant Social Security-dependent population.

417

population

562.47

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

03579 ZIP code map

Cities in ZIP code 03579

Below are the cities the US Postal Service accepts for ZIP code 03579. Using any city not on this list may result in mail delivery delays.

City	Status
Errol	Acceptable
Errol	Preferred

Nearby ZIP codes

03576 Colebrook (13.1 mi) 03588 Milan (14.3 mi) 03590 North Stratford (15.1 mi) 04216 Andover (16 mi) 03582 Groveton (18.4 mi)

Demographics updated 05/2026

Population
Total population	417
Population density	1 / sq mi
State FIPS	33
County FIPS	007

Geography
Land area	562.47 sq mi
Water area	32.67 sq mi
Latitude	44.7813
Longitude	-71.1819
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	48.4%	51.3%	31.0%
$50k – $100k	42.9%	30.7%	31.2%
$100k – $200k	7.6%	15.6%	28.1%
Over $200k	1.1%	2.5%	9.7%

Demographics & statistics

417

Population

People per sq mi

62.6

Median age

$60,000

Median household income

$32,396

Per capita income

$246,600

Median home value

Median monthly rent

92.6%

Home ownership

6.2%

Poverty rate

0.0%

Unemployment

1,010

Housing units

10.0%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

25–34

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	51	12.2%
18 and over	366	87.8%
65 and over	169	40.5%
Median age	62.6 years

Race & ethnicity

White 98.1%

Two or more races 1.4%

Asian 0.5%

Group	Count	%
White	409	98.1%
Two or more races	6	1.4%
Asian	2	0.5%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	48.4%	51.3%	31.0%
$50k – $100k	42.9%	30.7%	31.2%
$100k – $200k	7.6%	15.6%	28.1%
Over $200k	1.1%	2.5%	9.7%

Under $10k 1.0%

$10k–$15k 5.4%

$15k–$25k 8.8%

$25k–$35k 18.1%

$35k–$50k 10.8%

$50k–$75k 22.1%

$75k–$100k 16.7%

$100k–$150k 13.2%

$200k+ 3.9%

Range	% of households
Under $10k	1.0%
$10k–$15k	5.4%
$15k–$25k	8.8%
$25k–$35k	18.1%
$35k–$50k	10.8%
$50k–$75k	22.1%
$75k–$100k	16.7%
$100k–$150k	13.2%
$200k+	3.9%
Median income	$60,000

Housing

Home values

Under $50k 1.1%

$50k–$100k 4.8%

$100k–$150k 12.2%

$150k–$200k 13.8%

$200k–$300k 35.4%

$300k–$500k 22.8%

$500k–$1M 10.1%

Housing overview

Metric	Value
Median home value	$246,600
Median rent / month	$0
Owner occupied	92.6%
Renter occupied	7.4%
Vacant	80.1%
Single-family detached	88.3%
Large apartment buildings	0.0%
Mobile homes	10.5%
Median rooms	4.3
Avg household size (owned)	2.11

Year built

Era	%
2020 or later	0.5%
2010–2019	3.4%
2000–2009	16.8%
1990–1999	18.3%
1980–1989	11.5%
1970–1979	8.9%
1960–1969	12.3%
1950–1959	10.6%
1940–1949	4.4%
1939 or earlier	13.3%

Bedrooms

Size	% of units
No bedroom (studio)	3.2%
1 bedroom	20.4%
2 bedrooms	45.3%
3 bedrooms	19.2%
4 bedrooms	10.5%
5+ bedrooms	1.4%

Vehicles per household

Vehicles	% of households
No vehicle	2.0%
1 vehicle	20.6%
2 vehicles	53.9%
3 or more	23.5%

Heating fuel

Fuel type	%
Utility gas	1.0%
Propane / LP gas	21.1%
Fuel oil	48.0%
Wood	29.9%

Households & families

Household type	Count	%
Married-couple family	127	62.3%
Cohabiting couple	15	7.4%
Male householder, no spouse	38	18.6%
Female householder, no spouse	24	11.8%
Households with children under 18	19	9.3%
Households with seniors (65+)	122	59.8%
Average household size	2.04

Marital status

Status	Male	Female
Never married	16.0%	10.7%
Married	66.5%	70.6%
Separated	1.0%	2.8%
Widowed	8.2%	9.0%
Divorced	8.2%	6.8%

Education

Less than 9th grade 3.3%

Some HS, no diploma 2.5%

HS graduate 46.8%

Some college, no degree 17.7%

Associate's degree 19.7%

Bachelor's degree 6.1%

Graduate / professional 3.9%

Metric	%
HS diploma or higher	94.2%
Bachelor's or higher	10.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	0	0.0%
Elementary school	28	59.6%
High school	12	25.5%
College / grad school	7	14.9%

Employment

Industry of employment

Education & healthcare 19.5%

Agriculture & mining 15.4%

Professional & management 14.1%

Construction 13.4%

Arts, food & hospitality 13.4%

Transportation & utilities 12.1%

Retail trade 4.7%

Public administration 4.0%

Other services 3.4%

Occupation

Category	%
Management, business & arts	32.9%
Service	20.8%
Sales & office	17.4%
Natural resources & construction	22.1%
Production & transportation	6.7%

Employment type

Type	%
Private sector	68.5%
Government	19.5%
Self-employed	12.1%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	74.5%
Carpool	4.1%
Public transit	0.0%
Walk	1.4%
Work from home	20.0%
Other means	0.0%
Avg commute (minutes)	21.6

Poverty

All people 6.2%

Under 18 years 0.0%

18 and over 7.1%

Married-couple families 2.4%

Female-led households 0.0%

Income support

Source	% of households
Social Security	58.3%
Retirement income	42.2%
Supplemental Security	4.9%
Cash public assistance	3.4%
Food stamps / SNAP	2.9%

Health indicators

Condition	%
Obesity	36.3%
High blood pressure	36.0%
High cholesterol	37.2%
Diabetes	12.3%
Heart disease	8.5%
Stroke	3.8%
Asthma	10.8%
Arthritis	33.9%
Kidney disease	3.4%
Pulmonary disease	9.3%
Cancer	8.5%

Behavior / access	%
Smoking	18.6%
Binge drinking	15.8%
No physical activity	23.4%
Less than 7 hrs sleep	34.3%
Depression	22.0%
Fair or poor health	15.3%
Poor mental health	14.1%
Poor physical health	12.2%
No health insurance	11.7%
Visited doctor (checkup)	76.1%
Visited dentist	59.4%
Cholesterol screening	92.5%
Teeth loss	14.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	52	14.2%

Disability	%
Any disability	29.3%
Under 18	29.4%
18–64 years	24.4%
65 and over	34.9%

Health insurance coverage

Type	%
Private insurance	77.9%
Public insurance	60.2%
No insurance	2.9%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	401	96.2%
Spanish	14	3.5%
Other Indo-European	0	0.0%
Asian & Pacific Islander	14	3.5%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	407	97.6%
Born in same state	407	97.6%
Born in different state	270	64.7%
Foreign born	0	0.0%
Naturalized citizen	10	2.4%
Not a US citizen	10	100.0%

Ancestry

Ancestry	Count	%
Italian	49	11.8%
French	49	11.8%
German	40	9.6%

Ancestry	Count	%
Arab	17	4.1%
Polish	3	0.7%

Technology access

Metric	% of households
Computer access	48.9%
Internet access	90.2%

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

Frequently asked questions about ZIP code 03579

What city is ZIP code 03579 in?

ZIP code 03579 is primarily assigned to Errol, New Hampshire.

What county is ZIP code 03579 in?

ZIP code 03579 falls within Coos County, New Hampshire.

Does ZIP code 03579 have an older population?

41% of residents in ZIP code 03579 are 65 or older, above the national average of ~17%.

Does ZIP code 03579 have a large retiree population?

58% of households in ZIP code 03579 receive Social Security income, suggesting a significant retiree or disability population.

Is ZIP code 03579 mostly owner-occupied?

93% of occupied units in ZIP code 03579 are owner-occupied, well above the national average.

How educated is the population of ZIP code 03579?

10% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.

What timezone is ZIP code 03579 in?

ZIP code 03579 observes the EST timezone.