Warner ZIP Codes — Merrimack County, NH

There is one unique ZIP code in Warner, New Hampshire and it is 03278. Area code: 603.

ZIP codes

63.47

sq mi land

0.34

sq mi water

603

area code

Warner, NH ZIP code map

About Warner, NH

Warner, New Hampshire, is a charming town nestled in the picturesque Merrimack County. Known for its rich historical background and quaint New England charm, Warner offers residents and visitors a peaceful retreat from the hustle and bustle of urban life. With its tree-lined streets and historic buildings, it serves as a delightful representation of small-town America.

Location & geography

Located in central New Hampshire, Warner is bordered by several neighboring communities, including Hopkinton to the east, Salisbury to the south, and Webster to the west. The town covers a total land area of 63.47 square miles, with an additional 0.34 square miles designated as water area. The terrain is characterized by rolling hills and rich greenery, making it a popular spot for outdoor activities.

Community & economy

The character of Warner is deeply rooted in its agricultural history, with farms and markets contributing to the local economy. Residents often engage in community events, which foster a strong sense of togetherness and pride in their hometown. Daily life in Warner is enriched by its picturesque surroundings, offering various recreational opportunities such as hiking, fishing, and exploring local nature trails.

Transportation

Warner is conveniently accessible via Interstate 89, which provides connections to larger cities in New Hampshire and beyond. The nearest named airport is Concord Municipal Airport, located approximately 20 miles to the southeast. Public transit options are limited, but the town's location allows for easy travel by car to nearby urban areas.

History

Warner was established in 1774, bringing with it a sense of community and purpose as settlers arrived seeking new opportunities in the region. The town has historically been supported by agriculture and various small industries that have shaped its development over the years. Notable events in Warner's history include the establishment of its textile mills in the 19th century, which played a significant role in the local economy.

Did you know?

One surprising fact about Warner is that it is home to the annual Warner Fall Foliage Festival, which celebrates the town's beautiful autumn scenery with parades and local crafts. Additionally, Warner has a rich literary history, being the birthplace of the famous children's author Harriet Beecher Stowe's husband, Calvin Ellis Stowe.

ZIP codes for Warner, NH (1)

ZIP code	City	County	Map
03278	Warner	Merrimack	View map

Demographics & statistics

3,003

Population

44.7

Median age

$86,806

Median household income

$52,085

Per capita income

$306,000

Median home value

$1,085

Median monthly rent

69.9%

Home ownership

7.6%

Poverty rate

1.5%

Unemployment

1,153

Housing units

36.9%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

243

25–34

275

117

35–44

133

161

45–54

183

133

55–59

151

60–64

100

189

65–74

213

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	535	17.8%
18 and over	2,468	82.2%
65 and over	678	22.6%
Median age	44.7 years

Race & ethnicity

White 91.3%

Two or more races 4.5%

Hispanic or Latino 2.6%

Black or African American 0.9%

Asian 0.7%

Group	Count	%
White	2,815	91.3%
Two or more races	138	4.5%
Hispanic or Latino	79	2.6%
Black or African American	27	0.9%
Asian	23	0.7%

Household income

Under $10k 2.0%

$10k–$15k 2.5%

$15k–$25k 9.6%

$25k–$35k 12.0%

$35k–$50k 7.9%

$50k–$75k 12.9%

$75k–$100k 6.9%

$100k–$150k 24.7%

$150k–$200k 10.3%

$200k+ 11.2%

Range	% of households
Under $10k	2.0%
$10k–$15k	2.5%
$15k–$25k	9.6%
$25k–$35k	12.0%
$35k–$50k	7.9%
$50k–$75k	12.9%
$75k–$100k	6.9%
$100k–$150k	24.7%
$150k–$200k	10.3%
$200k+	11.2%
Median income	$86,806

Housing

Home values

Under $50k 8.3%

$50k–$100k 1.9%

$100k–$150k 2.2%

$150k–$200k 9.5%

$200k–$300k 26.1%

$300k–$500k 39.7%

$500k–$1M 10.2%

$1M+ 2.1%

Housing overview

Metric	Value
Median home value	$306,000
Median rent / month	$1,085
Owner occupied	69.9%
Renter occupied	30.1%
Vacant	19.3%
Single-family detached	71.2%
Large apartment buildings	3.2%
Mobile homes	4.7%
Median rooms	5.2
Avg household size (owned)	2.58

Year built

Era	%
2020 or later	0.0%
2010–2019	5.3%
2000–2009	11.0%
1990–1999	13.3%
1980–1989	14.1%
1970–1979	8.1%
1960–1969	7.9%
1950–1959	5.4%
1940–1949	2.8%
1939 or earlier	32.1%

Bedrooms

Size	% of units
No bedroom (studio)	3.0%
1 bedroom	13.2%
2 bedrooms	30.9%
3 bedrooms	40.3%
4 bedrooms	7.6%
5+ bedrooms	5.1%

Vehicles per household

Vehicles	% of households
No vehicle	6.8%
1 vehicle	28.1%
2 vehicles	39.5%
3 or more	25.7%

Heating fuel

Fuel type	%
Utility gas	0.5%
Electricity	4.1%
Propane / LP gas	29.5%
Fuel oil	45.2%
Wood	16.3%
No fuel used	2.0%

Households & families

Household type	Count	%
Married-couple family	634	51.6%
Cohabiting couple	87	7.1%
Male householder, no spouse	183	14.9%
Female householder, no spouse	325	26.4%
Households with children under 18	361	29.4%
Households with seniors (65+)	490	39.9%
Average household size	2.33

Marital status

Status	Male	Female
Never married	28.3%	24.5%
Married	53.0%	48.5%
Separated	2.6%	0.0%
Widowed	1.6%	9.1%
Divorced	14.5%	18.0%

Education

Less than 9th grade 2.0%

Some HS, no diploma 4.8%

HS graduate 28.5%

Some college, no degree 18.1%

Associate's degree 9.7%

Bachelor's degree 17.8%

Graduate / professional 19.0%

Metric	%
HS diploma or higher	93.2%
Bachelor's or higher	36.9%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	42	7.0%
Kindergarten	38	6.3%
Elementary school	193	32.0%
High school	159	26.4%
College / grad school	171	28.4%

Employment

Industry of employment

Education & healthcare 20.2%

Retail trade 13.1%

Arts, food & hospitality 11.8%

Manufacturing 9.8%

Professional & management 9.1%

Construction 7.1%

Public administration 6.9%

Transportation & utilities 6.5%

Finance & real estate 4.2%

Other services 3.2%

Information 2.9%

Agriculture & mining 2.8%

Wholesale trade 2.5%

Occupation

Category	%
Management, business & arts	39.8%
Service	17.4%
Sales & office	15.9%
Natural resources & construction	9.9%
Production & transportation	16.9%

Employment type

Type	%
Private sector	81.2%
Government	12.0%
Self-employed	6.9%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	80.3%
Carpool	4.7%
Public transit	0.0%
Walk	2.8%
Other means	0.0%
Avg commute (minutes)	32.8

Poverty

All people 7.6%

Under 18 years 4.7%

18 and over 8.2%

Married-couple families 3.3%

Female-led households 12.7%

Income support

Source	% of households
Social Security	37.3%
Retirement income	25.0%
Supplemental Security	3.7%
Cash public assistance	2.6%
Food stamps / SNAP	9.2%

Health indicators

Condition	%
High blood pressure	30.8%
High cholesterol	29.2%
Heart disease	5.8%
Stroke	2.7%
Asthma	10.9%
Arthritis	27.7%
Kidney disease	2.5%
Pulmonary disease	6.3%
Cancer	7.2%

Behavior / access	%
Binge drinking	17.6%
No physical activity	17.4%
Less than 7 hrs sleep	31.7%
Fair or poor health	11.6%
Poor mental health	14.3%
Poor physical health	9.7%
No health insurance	9.9%
Visited doctor (checkup)	74.4%
Visited dentist	70.1%
Cholesterol screening	91.6%
Teeth loss	11.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	176	7.1%

Disability	%
Any disability	13.5%
Under 18	6.4%
18–64 years	10.7%
65 and over	28.2%

Health insurance coverage

Type	%
Private insurance	73.9%
Public insurance	35.9%
Uninsured under 19	5.5%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	2,868	95.5%
Spanish	10	0.3%
Other Indo-European	10	0.3%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	2,890	96.2%
Born in same state	2,862	95.3%
Born in different state	1,470	49.0%
Foreign born	28	0.9%
Naturalized citizen	113	3.8%
Not a US citizen	85	75.2%

Ancestry

Ancestry	Count	%
French	670	22.3%
Italian	440	14.7%
Arab	283	9.4%
German	115	3.8%
English	87	2.9%

Ancestry	Count	%
Polish	30	1%
Irish	26	0.9%
Dutch	19	0.6%
Norwegian	16	0.5%

Technology access

Metric	% of households
Computer access	40.9%
Internet access	90.8%

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

Frequently asked questions

What ZIP codes does Warner, NH have?

Warner, NH has one ZIP code: 03278. Each ZIP code serves a distinct delivery area within the city and surrounding region.