Milton ZIP Codes — Strafford County, NH

There is one unique ZIP code in Milton, New Hampshire and it is 03851. Area code: 603.

ZIP codes

26.31

sq mi land

0.61

sq mi water

603

area code

Milton, NH ZIP code map

About Milton, NH

Milton is a charming town located in the beautiful state of New Hampshire. Situated within Strafford County, this small community offers a blend of natural beauty and rural New England charm. With a rich history and an inviting atmosphere, Milton is a wonderful place to visit or call home.

Location & geography

Milton is geographically located in the southeastern part of New Hampshire, approximately 12 miles from Rochester and 15 miles from Dover. The town covers a land area of 26.31 square miles, accompanied by a water area of 0.61 square miles, providing ample opportunities for outdoor activities. The terrain is characterized by scenic landscapes, including forests and lakes, ideal for hiking and recreational pursuits.

Community & economy

Milton features a tight-knit community known for its friendly residents and small-town atmosphere. The local economy is supported by various industries, including agriculture, retail, and tourism, contributing to the town's vibrant daily life. Residents enjoy a peaceful lifestyle with access to numerous outdoor activities, local events, and community gatherings.

Transportation

Milton is conveniently accessible via several highways, including New Hampshire Route 125, which connects to neighboring towns and cities. For air travel, the nearest major airports are in nearby Portsmouth and Manchester, providing residents and visitors with broader travel options. Public transportation options are limited, but local road networks facilitate easy commuting.

History

Milton was originally incorporated in 1794 and has since developed a strong agricultural foundation that has shaped its community. Over the years, the town has hosted various industries, including textile manufacturing and timber, contributing to its economic growth. Notable events in Milton’s history include the establishment of community institutions and the preservation of its historical sites.

Did you know?

One surprising fact about Milton is that it is home to several large lakes, including Milton Three Ponds, which offer excellent fishing and recreational activities. Additionally, the town is known for its historic buildings, some of which date back to the 19th century.

ZIP codes for Milton, NH (1)

ZIP code	City	County	Map
03851	Milton	Strafford	View map

Demographics & statistics

4,195

Population

42.6

Median age

$86,392

Median household income

$38,111

Per capita income

$246,100

Median home value

$1,088

Median monthly rent

86.3%

Home ownership

6.0%

Poverty rate

5.4%

Unemployment

1,586

Housing units

19.6%

Bachelor's or higher

Age distribution

Male Female

Under 5

190

5–9

171

110

10–14

115

15–19

103

168

20–24

150

303

25–34

271

216

35–44

194

317

45–54

284

207

55–59

186

177

60–64

158

235

65–74

210

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	928	22.1%
18 and over	3,267	77.9%
65 and over	604	14.4%
Median age	42.6 years

Race & ethnicity

White 94.7%

Two or more races 2.2%

Hispanic or Latino 1.8%

Asian 1.1%

Other race 0.2%

Group	Count	%
White	4,046	94.7%
Two or more races	93	2.2%
Hispanic or Latino	79	1.8%
Asian	48	1.1%
Other race	8	0.2%

Household income

Under $10k 1.9%

$10k–$15k 1.6%

$15k–$25k 6.2%

$25k–$35k 5.1%

$35k–$50k 6.0%

$50k–$75k 24.1%

$75k–$100k 8.8%

$100k–$150k 27.2%

$150k–$200k 13.7%

$200k+ 5.3%

Range	% of households
Under $10k	1.9%
$10k–$15k	1.6%
$15k–$25k	6.2%
$25k–$35k	5.1%
$35k–$50k	6.0%
$50k–$75k	24.1%
$75k–$100k	8.8%
$100k–$150k	27.2%
$150k–$200k	13.7%
$200k+	5.3%
Median income	$86,392

Housing

Home values

Under $50k 6.7%

$100k–$150k 15.8%

$150k–$200k 2.2%

$200k–$300k 40.1%

$300k–$500k 29.6%

$500k–$1M 4.8%

$1M+ 0.8%

Housing overview

Metric	Value
Median home value	$246,100
Median rent / month	$1,088
Owner occupied	86.3%
Renter occupied	13.7%
Vacant	13.6%
Single-family detached	80.3%
Large apartment buildings	0.0%
Mobile homes	8.2%
Median rooms	5.7
Avg household size (owned)	2.83

Year built

Era	%
2020 or later	0.0%
2010–2019	5.3%
2000–2009	20.6%
1990–1999	7.0%
1980–1989	19.1%
1970–1979	6.4%
1960–1969	7.6%
1950–1959	7.9%
1940–1949	2.8%
1939 or earlier	23.3%

Bedrooms

Size	% of units
No bedroom (studio)	1.2%
1 bedroom	8.3%
2 bedrooms	28.5%
3 bedrooms	49.9%
4 bedrooms	11.3%
5+ bedrooms	0.8%

Vehicles per household

Vehicles	% of households
No vehicle	3.3%
1 vehicle	17.6%
2 vehicles	41.1%
3 or more	38.0%

Heating fuel

Fuel type	%
Electricity	5.7%
Propane / LP gas	18.0%
Fuel oil	59.4%
Wood	15.0%

Households & families

Household type	Count	%
Married-couple family	866	55.8%
Cohabiting couple	232	14.9%
Male householder, no spouse	219	14.1%
Female householder, no spouse	236	15.2%
Households with children under 18	516	33.2%
Households with seniors (65+)	434	27.9%
Average household size	2.69

Marital status

Status	Male	Female
Never married	34.5%	24.3%
Married	50.3%	53.2%
Separated	0.0%	3.6%
Widowed	1.4%	3.5%
Divorced	13.9%	15.4%

Education

Less than 9th grade 2.7%

Some HS, no diploma 7.4%

HS graduate 41.7%

Some college, no degree 19.3%

Associate's degree 9.2%

Bachelor's degree 12.8%

Graduate / professional 6.9%

Metric	%
HS diploma or higher	89.8%
Bachelor's or higher	19.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	26	3.5%
Kindergarten	44	5.9%
Elementary school	366	49.5%
High school	280	37.8%
College / grad school	24	3.2%

Employment

Industry of employment

Education & healthcare 19.0%

Manufacturing 18.8%

Construction 9.8%

Retail trade 9.6%

Professional & management 8.6%

Finance & real estate 8.0%

Other services 6.8%

Arts, food & hospitality 5.7%

Public administration 4.9%

Transportation & utilities 3.4%

Wholesale trade 2.3%

Information 1.7%

Agriculture & mining 1.2%

Occupation

Category	%
Management, business & arts	36.8%
Service	11.2%
Sales & office	19.7%
Natural resources & construction	16.7%
Production & transportation	15.6%

Employment type

Type	%
Private sector	78.6%
Government	13.0%
Self-employed	8.4%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	75.4%
Carpool	9.5%
Public transit	0.6%
Walk	0.4%
Other means	0.0%
Avg commute (minutes)	30.0

Poverty

All people 6.0%

Under 18 years 1.6%

18 and over 7.1%

Married-couple families 3.2%

Female-led households 0.0%

Income support

Source	% of households
Social Security	27.3%
Retirement income	22.0%
Supplemental Security	4.2%
Cash public assistance	1.5%
Food stamps / SNAP	3.9%

Health indicators

Condition	%
High blood pressure	30.0%
High cholesterol	32.1%
Heart disease	5.5%
Stroke	2.5%
Asthma	10.6%
Arthritis	23.6%
Kidney disease	2.4%
Pulmonary disease	6.3%
Cancer	6.3%

Behavior / access	%
Binge drinking	18.8%
No physical activity	20.6%
Less than 7 hrs sleep	31.2%
Fair or poor health	12.3%
Poor mental health	16.2%
Poor physical health	10.3%
No health insurance	10.8%
Visited doctor (checkup)	71.6%
Visited dentist	66.9%
Cholesterol screening	90.4%
Teeth loss	12.1%

Veterans & disability

Veterans	Count	%
Civilian veterans	261	8.0%

Disability	%
Any disability	12.8%
Under 18	7.4%
18–64 years	11.3%
65 and over	27.5%

Health insurance coverage

Type	%
Private insurance	72.6%
Public insurance	31.3%
Uninsured under 19	4.4%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	4,023	95.9%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	4,115	98.1%
Born in same state	4,038	96.3%
Born in different state	2,520	60.1%
Foreign born	77	1.8%
Naturalized citizen	80	1.9%
Not a US citizen	46	57.5%

Ancestry

Ancestry	Count	%
Italian	816	19.5%
French	601	14.3%
German	276	6.6%
Arab	130	3.1%

Ancestry	Count	%
Irish	37	0.9%
Polish	37	0.9%
Dutch	15	0.4%

Technology access

Metric	% of households
Computer access	37.0%
Internet access	96.3%

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

Frequently asked questions

What ZIP codes does Milton, NH have?

Milton, NH has one ZIP code: 03851. Each ZIP code serves a distinct delivery area within the city and surrounding region.