US ZIP Code
03851

Milton, NH

Strafford County  ·  New Hampshire

● Active
👥 4,286 Population ↑ 5% since 2019
💰 $98,750 Median HH Income
▲ 29% above avg ↑ 38% since 2019
🎂 45.6 Median Age ↓ 3% since 2019
🏠 $282,500 Median Home Value
≈ Avg ↑ 37% since 2019
🎓 27.3% College Grads
▼ 30% below avg
📊 3.5% Unemployment
▼ 28% below avg ↓ 41% since 2019
ZIP Code Details
ZIP Code03851
CityMilton
StateNew Hampshire (NH)
CountyStrafford County
Area Code603
Elevation758 ft
Latitude43.437283
Longitude-71.025251
TimezoneNew York (DST)
FIPS33017
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 54.0% (2,315) Female 46.0% (1,971) ♀

Race & Ethnicity

White: 95.2%Hispanic: 0.9%Asian: 1.3%Other: 2.7%Race
White95.2%
Hispanic0.9%
Asian1.3%
Other2.7%

Age Breakdown

Under 5
4%
5–17
16%
18–24
7%
25–44
22%
45–64
36%
65+
9%

Key Indicators

Median Age45.6 yrs ↓ 3% since 2019
Avg Household Size2.72
Below Poverty7.1% ▼ 29% below avg
College Grads27.3% ▼ 30% below avg
Unemployment3.5% ▼ 28% below avg
No HS Diploma61 (2.1%)
HS Graduate1,234 (42.4%)
Some College478 (16.4%)
Associates342 (11.8%)
Bachelors287 (9.9%)
Graduate Degree506 (17.4%)

Education

No HS: 2.1%HS Grad: 42.4%Some College: 16.4%Associates: 11.8%Bachelors: 9.9%Graduate: 17.4%Edu
No HS2.1%
HS Grad42.4%
Some College16.4%
Associates11.8%
Bachelors9.9%
Graduate17.4%
Housing & Income

Housing Tenure

Owner: 83.5%Renter: 16.5%Tenure
Owner83.5%
Renter16.5%

Home Value Distribution

Under $50k
4%
$50k–100k
3%
$100k–150k
12%
$150k–200k
3%
$200k–300k
34%
$300k–500k
33%
Over $500k
13%

Financials

Median HH Income$98,750 ▲ 29% above avg ↑ 38% since 2019
Median Home Value$282,500 ≈ Avg ↑ 37% since 2019
Home/Income Ratio2.9x (nat avg ~3.5x)
Median Rent$1,503/mo ↑ 47% since 2019
Total Units1,785
Vacant Units222
Avg HH Size2.72

Income Distribution

Under $25k
7%
$25k–50k
12%
$50k–75k
23%
$75k–100k
7%
$100k–150k
25%
$150k–200k
19%
Over $200k
7%
Employment & Commute

How People Get to Work

Drove Alone
78%
Walked
1%
Work From Home
22%

Commute Time

Under 15 min
17%
15–30 min
27%
30–45 min
33%
Over 45 min
22%
Housing Stock

Year Built

Before 1940
2%
1940s–1950s
9%
1960s–1970s
16%
1980s–1990s
15%
2000+
58%

Summary

Total Units1,785
Vacant222
Owner Occupied83.5%
Renter Occupied16.5%
Avg HH Size2.72
Frequently Asked Questions
ZIP code 03851 is in Milton, NH, in Strafford County.
ZIP code 03851 is located in New Hampshire (NH).
ZIP code 03851 is in Strafford County, NH.
ZIP 03851 observes the New York timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 03851 is 4,286 people (ACS 2023).
The median household income in ZIP code 03851 is $98,750 (ACS 2023).
The median home value in ZIP 03851 is $282,500 (ACS 2023).
About ZIP Code 03851

ZIP code 03851 is located in Milton, New Hampshire, within Strafford County. With a population of 4,286, this is a lightly populated ZIP code with a mature community — the median age is 45.6 years. Economically, 03851 is a middle-income ZIP code: the median household income of $98,750 is above the national average.

Real estate in ZIP code 03851 represents a mid-range housing market. The median home value of $282,500 is near the national average. Renters can expect to pay around $1,503 per month in median rent. Homeownership is strong here — 83.5% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 37% since 2019.

The population of 03851 is primarily White (95.17%). Residents are moderately educated — 27.3% hold a bachelor's degree or higher, which is below the national average. Poverty affects a relatively small share of residents at 7.1%. Household income has grown by 38% since 2019.

The unemployment rate in 03851 stands at 3.5%, which is below the national average. About 19% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 70%.

Overall, ZIP code 03851 in Milton, NH is characterized as middle-income, moderately educated, a mature community, and predominantly owner-occupied. With 4,286 residents, a median household income of $98,750, and a median home value of $282,500, it offers a clear picture of life in this part of New Hampshire.