03046 ZIP Code — Dunbarton, NH

Merrimack County, New Hampshire

ZIP code 03046 is located in Dunbarton, New Hampshire, within Merrimack County. It covers approximately 30.86 square miles and serves a population of 3,000 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 603.

About ZIP code 03046

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 $411,200. Owner-occupancy is high at 96%, well above the national average.

Median household income is $138,036. The poverty rate of 2% is below the national average.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 35 minutes is near the national average.

Educational attainment is near the national average, with 42% of residents holding a bachelor's degree or higher.

3,000

population

30.86

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

03046 ZIP code map

Cities in ZIP code 03046

Below are the cities the US Postal Service accepts for ZIP code 03046. Using any city not on this list may result in mail delivery delays.

City	Status
Dunbarton	Acceptable

Demographics updated 07/2026

Population
Total population	3,000
Population density	97 / sq mi
State FIPS	33
County FIPS	013

Geography
Land area	30.86 sq mi
Water area	0.46 sq mi
Latitude	43.1067
Longitude	-71.5892
Timezone	Eastern (ET)
Area code	603

Total population by age

Gender

Race & ethnicity

Economics updated 07/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	17.1%	30.8%	31.0%
$50k – $100k	24.0%	32.4%	31.2%
$100k – $200k	42.2%	28.6%	28.1%
Over $200k	16.7%	8.1%	9.7%

Demographics & statistics

3,000

Population

People per sq mi

43.8

Median age

$138,036

Median household income

$56,611

Per capita income

$411,200

Median home value

$1,242

Median monthly rent

95.9%

Home ownership

2.1%

Poverty rate

4.5%

Unemployment

1,046

Housing units

41.6%

Bachelor's or higher

Age distribution

Male Female

Under 5

124

5–9

124

106

10–14

105

15–19

20–24

155

25–34

153

174

35–44

172

245

45–54

243

166

55–59

164

60–64

171

65–74

170

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	731	24.4%
18 and over	2,269	75.6%
65 and over	501	16.7%
Median age	43.8 years

Race & ethnicity

White 96.8%

Two or more races 1.6%

Hispanic or Latino 0.7%

Asian 0.7%

Black or African American 0.3%

Group	Count	%
White	2,923	96.8%
Two or more races	47	1.6%
Hispanic or Latino	21	0.7%
Asian	20	0.7%
Black or African American	10	0.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	17.1%	30.8%	31.0%
$50k – $100k	24.0%	32.4%	31.2%
$100k – $200k	42.2%	28.6%	28.1%
Over $200k	16.7%	8.1%	9.7%

Under $10k 3.7%

$10k–$15k 0.5%

$15k–$25k 0.8%

$25k–$35k 0.8%

$35k–$50k 7.3%

$50k–$75k 8.4%

$75k–$100k 10.5%

$100k–$150k 21.6%

$150k–$200k 25.4%

$200k+ 21.0%

Range	% of households
Under $10k	3.7%
$10k–$15k	0.5%
$15k–$25k	0.8%
$25k–$35k	0.8%
$35k–$50k	7.3%
$50k–$75k	8.4%
$75k–$100k	10.5%
$100k–$150k	21.6%
$150k–$200k	25.4%
$200k+	21.0%
Median income	$138,036

Housing

Home values

$100k–$150k 0.4%

$150k–$200k 6.2%

$200k–$300k 10.1%

$300k–$500k 55.2%

$500k–$1M 27.3%

$1M+ 0.8%

Housing overview

Metric	Value
Median home value	$411,200
Median rent / month	$1,242
Owner occupied	95.9%
Renter occupied	4.1%
Vacant	2.6%
Single-family detached	94.9%
Large apartment buildings	0.0%
Mobile homes	0.0%
Median rooms	6.4
Avg household size (owned)	2.86

Year built

Era	%
2020 or later	0.0%
2010–2019	12.1%
2000–2009	19.4%
1990–1999	26.6%
1980–1989	13.0%
1970–1979	9.0%
1960–1969	5.7%
1950–1959	3.1%
1940–1949	2.9%
1939 or earlier	8.1%

Bedrooms

Size	% of units
No bedroom (studio)	0.5%
1 bedroom	8.6%
2 bedrooms	13.3%
3 bedrooms	52.3%
4 bedrooms	20.7%
5+ bedrooms	4.6%

Vehicles per household

Vehicles	% of households
No vehicle	3.2%
1 vehicle	18.9%
2 vehicles	38.0%
3 or more	40.0%

Heating fuel

Fuel type	%
Electricity	3.3%
Propane / LP gas	28.8%
Fuel oil	51.6%
Wood	14.9%

Households & families

Household type	Count	%
Married-couple family	810	76.3%
Cohabiting couple	64	6.0%
Male householder, no spouse	141	13.3%
Female householder, no spouse	46	4.3%
Households with children under 18	411	38.7%
Households with seniors (65+)	298	28.1%
Average household size	2.83

Marital status

Status	Male	Female
Never married	24.0%	13.2%
Married	68.0%	74.6%
Separated	0.2%	3.1%
Widowed	1.2%	3.1%
Divorced	6.5%	6.1%

Education

Less than 9th grade 1.1%

Some HS, no diploma 4.3%

HS graduate 26.1%

Some college, no degree 12.0%

Associate's degree 14.9%

Bachelor's degree 19.8%

Graduate / professional 21.8%

Metric	%
HS diploma or higher	94.6%
Bachelor's or higher	41.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	92	11.2%
Kindergarten	63	7.7%
Elementary school	388	47.4%
High school	102	12.5%
College / grad school	174	21.2%

Employment

Industry of employment

Education & healthcare 31.2%

Construction 12.6%

Manufacturing 10.9%

Professional & management 10.3%

Retail trade 7.5%

Finance & real estate 7.2%

Public administration 4.8%

Transportation & utilities 4.4%

Other services 4.1%

Wholesale trade 3.1%

Arts, food & hospitality 2.8%

Information 0.8%

Agriculture & mining 0.4%

Occupation

Category	%
Management, business & arts	50.3%
Service	11.9%
Sales & office	19.2%
Natural resources & construction	9.6%
Production & transportation	9.0%

Employment type

Type	%
Private sector	77.0%
Government	15.5%
Self-employed	7.5%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	86.2%
Carpool	4.6%
Public transit	0.0%
Walk	0.6%
Work from home	8.4%
Other means	0.2%
Avg commute (minutes)	34.5

Poverty

All people 2.1%

Under 18 years 0.7%

18 and over 2.6%

Married-couple families 0.6%

Female-led households 0.0%

Income support

Source	% of households
Social Security	25.9%
Retirement income	17.0%
Supplemental Security	3.9%
Cash public assistance	3.7%
Food stamps / SNAP	2.5%

Health indicators

Condition	%
Obesity	29.0%
High blood pressure	27.5%
High cholesterol	27.7%
Diabetes	7.1%
Heart disease	4.5%
Stroke	2.1%
Asthma	10.5%
Arthritis	24.4%
Kidney disease	2.1%
Pulmonary disease	5.0%
Cancer	6.3%

Behavior / access	%
Smoking	14.3%
Binge drinking	19.3%
No physical activity	15.0%
Less than 7 hrs sleep	31.7%
Depression	23.7%
Fair or poor health	9.5%
Poor mental health	13.8%
Poor physical health	8.5%
No health insurance	8.9%
Visited doctor (checkup)	73.1%
Visited dentist	73.1%
Cholesterol screening	92.5%
Teeth loss	8.9%

Veterans & disability

Veterans	Count	%
Civilian veterans	144	6.4%

Disability	%
Any disability	8.3%
Under 18	1.4%
18–64 years	7.5%
65 and over	21.6%

Health insurance coverage

Type	%
Private insurance	83.8%
Public insurance	24.8%
No insurance	1.3%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	2,819	94.0%
Spanish	9	0.3%
Other Indo-European	0	0.0%
Asian & Pacific Islander	9	0.3%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	2,907	96.9%
Born in same state	2,874	95.8%
Born in different state	1,629	54.3%
Foreign born	33	1.1%
Naturalized citizen	93	3.1%
Not a US citizen	84	90.3%

Ancestry

Ancestry	Count	%
Italian	625	20.8%
French	594	19.8%
Arab	304	10.1%
German	295	9.8%

Ancestry	Count	%
English	31	1%
Dutch	19	0.6%
Irish	5	0.2%

Technology access

Metric	% of households
Computer access	35.4%
Internet access	97.4%

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

Frequently asked questions about ZIP code 03046

What city is ZIP code 03046 in?

ZIP code 03046 is primarily assigned to Dunbarton, New Hampshire.

What county is ZIP code 03046 in?

ZIP code 03046 falls within Merrimack County, New Hampshire.

Is ZIP code 03046 mostly owner-occupied?

96% of occupied units in ZIP code 03046 are owner-occupied, well above the national average.

What is the median household income in ZIP code 03046?

The median household income in ZIP code 03046 is $138,036, above the national median of ~$75,000.

What is the typical home value in ZIP code 03046?

The median home value in ZIP code 03046 is $411,200.

What is the population of ZIP code 03046?

ZIP code 03046 has an estimated population of 3,000 residents, with a density of 97 people per square mile.

What timezone is ZIP code 03046 in?

ZIP code 03046 observes the EST timezone.