03055 ZIP Code — Milford, NH
Hillsborough County, New Hampshire
ZIP code 03055 is located in Milford, New Hampshire, within Hillsborough County. It covers approximately 25.41 square miles and serves a population of 16,151 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 603.
About ZIP code 03055
The housing stock consists of a mix of housing types. Most homes were built in the 1980s, giving the area an established character. Median home value is $332,300. Owner-occupancy sits near the national average at 62%.
The gap between median ($84,912) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 5% is below the national average.
The dominant occupation class is management, business, and professional, with manufacturing as the leading industry. The average commute of 29 minutes is near the national average.
Educational attainment is near the national average, with 33% of residents holding a bachelor's degree or higher.
16,151
population
25.41
sq mi land
Standard
ZIP type
Eastern (ET)
timezone
03055 ZIP code map
Cities in ZIP code 03055
Below are the cities the US Postal Service accepts for ZIP code 03055. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Milford | Preferred |
Nearby ZIP codes
03031 Amherst (4.5 mi)
03033 Brookline (4.9 mi)
03086 Wilton (5.5 mi)
03057 Mont Vernon (5.6 mi)
03049 Hollis (6.3 mi)
03048 Greenville (6.7 mi)
03063 Nashua (7.9 mi)
03082 Lyndeborough (8.1 mi)
03054 Merrimack (8.1 mi)
03084 Temple (9.9 mi)
03064 Nashua (10.3 mi)
03062 Nashua (10.7 mi)
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 16,151 |
| Population density | 636 / sq mi |
| State FIPS | 33 |
| County FIPS | 011 |
| Geography | |
|---|---|
| Land area | 25.41 sq mi |
| Water area | 0.06 sq mi |
| Latitude | 42.8195 |
| Longitude | -71.6680 |
| Timezone | Eastern (ET) |
| Area code | 603 |
Total population by age
Gender
Race & ethnicity
Economics
updated 05/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 31.2% | 29.3% | 31.0% |
| $50k – $100k | 33.3% | 29.8% | 31.2% |
| $100k – $200k | 29.1% | 30.5% | 28.1% |
| Over $200k | 6.4% | 10.5% | 9.7% |
Demographics & statistics
16,151
Population
636
People per sq mi
37.8
Median age
$84,912
Median household income
$44,519
Per capita income
$332,300
Median home value
$1,492
Median monthly rent
62.3%
Home ownership
4.8%
Poverty rate
3.8%
Unemployment
4,230
Housing units
33.2%
Bachelor's or higher
Age distribution
Male
Female
519
Under 5
516
346
5–9
344
617
10–14
615
568
15–19
565
366
20–24
365
1,262
25–34
1,256
1,127
35–44
1,122
1,138
45–54
1,134
538
55–59
535
435
60–64
433
645
65–74
642
353
75–84
352
179
85+
179
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 3,651 | 22.6% |
| 18 and over | 12,500 | 77.4% |
| 65 and over | 2,350 | 14.6% |
| Median age | 37.8 years | |
Race & ethnicity
White
83.7%
Two or more races
7.7%
Hispanic or Latino
6%
Asian
1.4%
Other race
0.9%
Black or African American
0.2%
| Group | Count | % |
|---|---|---|
| White | 14,390 | 83.7% |
| Two or more races | 1,325 | 7.7% |
| Hispanic or Latino | 1,039 | 6% |
| Asian | 246 | 1.4% |
| Other race | 151 | 0.9% |
| Black or African American | 32 | 0.2% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 31.2% | 29.3% | 31.0% |
| $50k – $100k | 33.3% | 29.8% | 31.2% |
| $100k – $200k | 29.1% | 30.5% | 28.1% |
| Over $200k | 6.4% | 10.5% | 9.7% |
Under $10k
1.3%
$10k–$15k
2.8%
$15k–$25k
5.5%
$25k–$35k
5.4%
$35k–$50k
9.5%
$50k–$75k
16.3%
$75k–$100k
13.8%
$100k–$150k
21.3%
$150k–$200k
10.2%
$200k+
13.9%
| Range | % of households |
|---|---|
| Under $10k | 1.3% |
| $10k–$15k | 2.8% |
| $15k–$25k | 5.5% |
| $25k–$35k | 5.4% |
| $35k–$50k | 9.5% |
| $50k–$75k | 16.3% |
| $75k–$100k | 13.8% |
| $100k–$150k | 21.3% |
| $150k–$200k | 10.2% |
| $200k+ | 13.9% |
| Median income | $84,912 |
Housing
Home values
Under $50k
4.6%
$50k–$100k
3.0%
$100k–$150k
2.2%
$150k–$200k
8.3%
$200k–$300k
22.6%
$300k–$500k
44.4%
$500k–$1M
13.7%
$1M+
1.2%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $332,300 |
| Median rent / month | $1,492 |
| Owner occupied | 62.3% |
| Renter occupied | 37.7% |
| Vacant | 3.7% |
| Single-family detached | 47.8% |
| Large apartment buildings | 13.2% |
| Mobile homes | 5.0% |
| Median rooms | 5.1 |
| Avg household size (owned) | 2.62 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.3% |
| 2010–2019 | 8.6% |
| 2000–2009 | 12.1% |
| 1990–1999 | 9.2% |
| 1980–1989 | 21.8% |
| 1970–1979 | 14.9% |
| 1960–1969 | 7.7% |
| 1950–1959 | 4.0% |
| 1940–1949 | 2.2% |
| 1939 or earlier | 19.2% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 2.7% |
| 1 bedroom | 12.7% |
| 2 bedrooms | 32.6% |
| 3 bedrooms | 35.7% |
| 4 bedrooms | 12.8% |
| 5+ bedrooms | 3.5% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 3.9% |
| 1 vehicle | 30.1% |
| 2 vehicles | 45.4% |
| 3 or more | 20.7% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 18.5% |
| Electricity | 17.6% |
| Propane / LP gas | 23.2% |
| Fuel oil | 35.8% |
| Wood | 2.7% |
| No fuel used | 0.7% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 3,175 | 49.6% |
| Cohabiting couple | 789 | 12.3% |
| Male householder, no spouse | 887 | 13.9% |
| Female householder, no spouse | 1,548 | 24.2% |
| Households with children under 18 | 2,131 | 33.3% |
| Households with seniors (65+) | 1,647 | 25.7% |
| Average household size | 2.50 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 32.7% | 27.2% |
| Married | 53.3% | 47.6% |
| Separated | 0.2% | 0.7% |
| Widowed | 3.3% | 8.3% |
| Divorced | 10.5% | 16.2% |
Education
Less than 9th grade
2.3%
Some HS, no diploma
2.2%
HS graduate
32.3%
Some college, no degree
21.1%
Associate's degree
8.9%
Bachelor's degree
17.8%
Graduate / professional
15.4%
| Metric | % |
|---|---|
| HS diploma or higher | 95.6% |
| Bachelor's or higher | 33.2% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 382 | 9.8% |
| Kindergarten | 31 | 0.8% |
| Elementary school | 1,757 | 45.2% |
| High school | 932 | 24.0% |
| College / grad school | 785 | 20.2% |
Employment
Industry of employment
Manufacturing
20.3%
Education & healthcare
18.1%
Retail trade
13.8%
Professional & management
12.9%
Arts, food & hospitality
7.3%
Construction
6.6%
Other services
6.3%
Finance & real estate
4.7%
Transportation & utilities
4.2%
Public administration
2.6%
Information
1.8%
Wholesale trade
1.3%
Agriculture & mining
0.1%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 40.0% |
| Service | 13.2% |
| Sales & office | 26.9% |
| Natural resources & construction | 6.1% |
| Production & transportation | 13.8% |
Employment type
| Type | % |
|---|---|
| Private sector | 81.3% |
| Government | 9.9% |
| Self-employed | 8.8% |
| Unpaid family workers | 0.0% |
Commute
| Method | % |
|---|---|
| Drive alone | 78.8% |
| Carpool | 5.4% |
| Public transit | 0.2% |
| Walk | 2.0% |
| Work from home | 13.1% |
| Other means | 0.5% |
| Avg commute (minutes) | 28.6 |
Poverty
All people
4.8%
Under 18 years
2.9%
18 and over
5.3%
Married-couple families
0.6%
Female-led households
7.6%
Income support
| Source | % of households |
|---|---|
| Social Security | 28.8% |
| Retirement income | 21.2% |
| Supplemental Security | 3.8% |
| Cash public assistance | 1.9% |
| Food stamps / SNAP | 4.5% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 29.8% |
| High blood pressure | 28.2% |
| High cholesterol | 28.9% |
| Diabetes | 8.0% |
| Heart disease | 5.2% |
| Stroke | 2.3% |
| Asthma | 11.3% |
| Arthritis | 23.6% |
| Kidney disease | 2.3% |
| Pulmonary disease | 5.6% |
| Cancer | 6.4% |
| Behavior / access | % |
|---|---|
| Smoking | 14.7% |
| Binge drinking | 18.7% |
| No physical activity | 19.5% |
| Less than 7 hrs sleep | 33.3% |
| Depression | 21.8% |
| Fair or poor health | 10.9% |
| Poor mental health | 14.5% |
| Poor physical health | 9.1% |
| No health insurance | 10.1% |
| Visited doctor (checkup) | 71.6% |
| Visited dentist | 70.7% |
| Cholesterol screening | 90.6% |
| Teeth loss | 11.2% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 1,052 | 8.5% |
| Disability | % |
|---|---|
| Any disability | 11.1% |
| Under 18 | 5.8% |
| 18–64 years | 9.5% |
| 65 and over | 27.2% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 74.8% |
| Public insurance | 26.9% |
| No insurance | 8.1% |
| Uninsured under 19 | 0.4% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 15,116 | 93.6% |
| Spanish | 434 | 2.9% |
| Other Indo-European | 118 | 0.8% |
| Asian & Pacific Islander | 227 | 1.5% |
| Other languages | 89 | 0.6% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 15,060 | 93.2% |
| Born in same state | 14,933 | 92.5% |
| Born in different state | 7,611 | 47.1% |
| Foreign born | 127 | 0.8% |
| Naturalized citizen | 1,091 | 6.8% |
| Not a US citizen | 386 | 35.4% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| French | 3,371 | 20.9% |
| Italian | 3,270 | 20.2% |
| German | 1,539 | 9.5% |
| Arab | 747 | 4.6% |
| Polish | 161 | 1% |
| Ancestry | Count | % |
|---|---|---|
| Dutch | 71 | 0.4% |
| English | 43 | 0.3% |
| Norwegian | 34 | 0.2% |
| Irish | 23 | 0.1% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 39.6% |
| Internet access | 95.7% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 03055
What city is ZIP code 03055 in?
ZIP code 03055 is primarily assigned to Milford, New Hampshire.
What county is ZIP code 03055 in?
ZIP code 03055 falls within Hillsborough County, New Hampshire.
What is the typical home value in ZIP code 03055?
The median home value in ZIP code 03055 is $332,300.
What is the population of ZIP code 03055?
ZIP code 03055 has an estimated population of 16,151 residents, with a density of 636 people per square mile.
What is the median household income in ZIP code 03055?
The median household income in ZIP code 03055 is $84,912, above the national median of ~$75,000.
What timezone is ZIP code 03055 in?
ZIP code 03055 observes the EST timezone.