PlainZIP

Milton, NH · standard

ZIP Code 03851

Strafford County, New Hampshire - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

4,040
59/sq mi
$93,412
Median income
$314,300
Median home value
20.9%
Bachelor's or higher

The verdict

Milton pairs an upper-quartile household income with above-median home values, in a rural, homeowner-dominated area.

Top 24%
household income, US ZIPs
Top 31%
home value, US ZIPs
59
people per sq mi
86%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 03851 against every reporting US ZIP.

ZIP code 03851 covers 68.4 square miles in Milton, Strafford County, New Hampshire (a standard USPS delivery area), with a modest 4,040 residents on file, a density of 59 people per square mile, in the New York time zone.

ZIP 03851 lands in the middle-income range, with a median household income of $93,412 (9% below the New Hampshire average), while per-capita income is $41,413. Poverty here runs at 8.0%, with unemployment measured at 3.3%. Median home value sits at $314,300 (22% below the state average), median rent at $1,587 a month, and owner-occupancy at 85.7%.

Educational attainment sits below the national norm: 20.9% of adults hold a bachelor's degree or higher, the median age is 45.3, and the average commute is 33 minutes. A geography-based comparison follows: 9 ZIP codes within about 10 miles of 03851, plus 6 more within Strafford County, give a clearer read than the national average alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 03851

Top 5 sectors by establishment count in Milton, NH

Which industries have the most business establishments in ZIP 03851.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 03851, Milton, NH · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

4,040

Population

68.4

Area (sq mi)

59

People / sq mi

New York

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 03851?

45.3

Median Age

55.7%

Male

44.3%

Female

2.3%

Foreign-Born

White 94.7%
African American 0.0%
Asian 1.4%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 3.5%
Hispanic or Latino 1.0%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$93,412

Median Household Income

-9% vs state

$41,413

Per Capita Income

8.0%

Poverty Rate

3.3%

Unemployment Rate

32.6 min

Mean Commute Time

How ZIP 03851 ranks nationally

Milton, NH household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$93,412 Top 24% higher than 76% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). This entry sits in this band. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 65.8%
Bachelor's Degree or Higher 20.9%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

1,918

Total Housing Units

1,625

Occupied Units

293

Vacant Units

2.64

Avg Household Size

Occupancy Type

Owner 85.7%
Renter 14.3%

$314,300

Median Home Value

-22% vs state

$1,587

Median Rent

1980

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What businesses operate in this ZIP?

Census Bureau data shows 47 business establishments in ZIP 03851, employing approximately 339 people with a combined annual payroll of $18,448,000.

47

Businesses

339

Employees

$18.4M

Annual Payroll

7

Industry Sectors

Industry Establishments % of Total
Construction 11 23.4%
Accommodation and food services 8 17.0%
Retail trade 6 12.8%
Other services (except public administration) 5 10.6%
Manufacturing 4 8.5%
Administrative and support and waste management and remediation services 4 8.5%
Professional, scientific, and technical services 3 6.4%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 03851 vs 03887 →

ZIP 03851 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 03851 ranks #5 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 03851 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 03851 ranks #5 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
03887 Union, NH 2,154 4.2 mi
03852 Milton Mills, NH 558 4.8 mi
03835 Farmington, NH 6,786 5.9 mi
04027 Lebanon, ME 6,031 5.7 mi
03855 New Durham, NH 2,638 6.6 mi
03872 Sanbornville, NH 3,809 9.3 mi
03867 Rochester, NH 20,758 9.3 mi
04001 Acton, ME 2,429 7.9 mi
03868 Rochester, NH 5,323 8.8 mi

More ZIP Codes in Strafford County

03820 standard
Dover, NH
Pop: 30,039
03867 standard
Rochester, NH
Pop: 20,758
03824 standard
Durham, NH
Pop: 14,638
03878 standard
Somersworth, NH
Pop: 11,824
03825 standard
Barrington, NH
Pop: 8,512
03835 standard
Farmington, NH
Pop: 6,786

Related Areas

Strafford County Milton, NH New Hampshire

Frequently Asked Questions

What county is ZIP code 03851 in? ▼
ZIP code 03851 (Milton) is located in Strafford County, New Hampshire. Strafford County contains multiple ZIP codes, see the full list at /counties/strafford-nh.
What is the population of ZIP code 03851? ▼
ZIP code 03851 in Milton, NH has a population of 4,040 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 03851? ▼
The median household income in ZIP 03851 is $93,412, which is 22% above the national average of $76,288.
What is the average home value in ZIP 03851? ▼
The median home value in ZIP 03851 is $314,300, which is 13% above the national average of $278,155.
What is the demographic makeup of ZIP 03851? ▼
The largest racial group in ZIP 03851 is White at 94.7%. Hispanic or Latino residents make up 1.0% of the population.
How many businesses are in ZIP code 03851? ▼
ZIP code 03851 has 47 business establishments employing approximately 339 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 03851? ▼
The top industries by establishment count in ZIP 03851 are: Construction (11), Accommodation and food services (8), Retail trade (6). There are 7 industry sectors represented in total.
What is the education level in ZIP code 03851? ▼
In ZIP code 03851, 65.8% of residents aged 25+ have a high school diploma or higher, and 20.9% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 03851? ▼
The mean commute time for workers in ZIP code 03851 is 32.6 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 03851? ▼
In ZIP code 03851, approximately 85.7% of occupied housing units are owner-occupied and 14.3% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 03851? ▼
The poverty rate in ZIP code 03851 is 8.0% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.