03285 ZIP Code — Thornton, NH
Grafton County, New Hampshire
ZIP code 03285 is located in Thornton, New Hampshire, within Grafton County. It covers approximately 50.09 square miles and serves a population of 2,715 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 603.
About ZIP code 03285
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 $273,900. Owner-occupancy is high at 81%, well above the national average.
Median household income is $82,593.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 27 minutes is near the national average.
Educational attainment is near the national average, with 40% of residents holding a bachelor's degree or higher.
2,715
population
50.09
sq mi land
Standard
ZIP type
Eastern (ET)
timezone
03285 ZIP code map
Cities in ZIP code 03285
Below are the cities the US Postal Service accepts for ZIP code 03285. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Thornton | Acceptable |
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 2,715 |
| Population density | 54 / sq mi |
| State FIPS | 33 |
| County FIPS | 009 |
| Geography | |
|---|---|
| Land area | 50.09 sq mi |
| Water area | 0.60 sq mi |
| Latitude | 43.9517 |
| Longitude | -71.6216 |
| 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 | 28.5% | 37.5% | 31.0% |
| $50k – $100k | 47.5% | 32.1% | 31.2% |
| $100k – $200k | 22.9% | 21.7% | 28.1% |
| Over $200k | 1.0% | 8.6% | 9.7% |
Demographics & statistics
2,715
Population
54
People per sq mi
45.9
Median age
$82,593
Median household income
$42,922
Per capita income
$273,900
Median home value
$1,309
Median monthly rent
80.7%
Home ownership
7.7%
Poverty rate
1.5%
Unemployment
1,745
Housing units
39.9%
Bachelor's or higher
Age distribution
Male
Female
73
Under 5
58
80
5–9
65
91
10–14
74
76
15–19
62
48
20–24
38
186
25–34
150
164
35–44
133
179
45–54
145
163
55–59
132
148
60–64
119
163
65–74
132
109
75–84
88
22
85+
18
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 536 | 19.7% |
| 18 and over | 2,179 | 80.3% |
| 65 and over | 531 | 19.6% |
| Median age | 45.9 years | |
Race & ethnicity
White
98.4%
Asian
0.6%
Black or African American
0.4%
Two or more races
0.3%
American Indian / Alaska Native
0.3%
| Group | Count | % |
|---|---|---|
| White | 2,672 | 98.4% |
| Asian | 17 | 0.6% |
| Black or African American | 10 | 0.4% |
| Two or more races | 9 | 0.3% |
| American Indian / Alaska Native | 7 | 0.3% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 28.5% | 37.5% | 31.0% |
| $50k – $100k | 47.5% | 32.1% | 31.2% |
| $100k – $200k | 22.9% | 21.7% | 28.1% |
| Over $200k | 1.0% | 8.6% | 9.7% |
Under $10k
4.0%
$10k–$15k
3.1%
$15k–$25k
8.3%
$25k–$35k
3.4%
$35k–$50k
7.6%
$50k–$75k
13.9%
$75k–$100k
20.3%
$100k–$150k
24.8%
$150k–$200k
10.3%
$200k+
4.2%
| Range | % of households |
|---|---|
| Under $10k | 4.0% |
| $10k–$15k | 3.1% |
| $15k–$25k | 8.3% |
| $25k–$35k | 3.4% |
| $35k–$50k | 7.6% |
| $50k–$75k | 13.9% |
| $75k–$100k | 20.3% |
| $100k–$150k | 24.8% |
| $150k–$200k | 10.3% |
| $200k+ | 4.2% |
| Median income | $82,593 |
Housing
Home values
Under $50k
1.3%
$50k–$100k
3.8%
$100k–$150k
7.1%
$150k–$200k
14.1%
$200k–$300k
35.2%
$300k–$500k
36.1%
$500k–$1M
1.1%
$1M+
1.2%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $273,900 |
| Median rent / month | $1,309 |
| Owner occupied | 80.7% |
| Renter occupied | 19.3% |
| Vacant | 42.3% |
| Single-family detached | 69.7% |
| Large apartment buildings | 0.6% |
| Mobile homes | 5.5% |
| Median rooms | 5.8 |
| Avg household size (owned) | 2.41 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.0% |
| 2010–2019 | 2.5% |
| 2000–2009 | 19.5% |
| 1990–1999 | 8.3% |
| 1980–1989 | 34.2% |
| 1970–1979 | 17.6% |
| 1960–1969 | 7.0% |
| 1950–1959 | 0.7% |
| 1940–1949 | 0.8% |
| 1939 or earlier | 9.4% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 1.7% |
| 1 bedroom | 5.7% |
| 2 bedrooms | 30.1% |
| 3 bedrooms | 43.0% |
| 4 bedrooms | 16.5% |
| 5+ bedrooms | 3.1% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 1.2% |
| 1 vehicle | 36.0% |
| 2 vehicles | 37.7% |
| 3 or more | 25.1% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 1.1% |
| Electricity | 9.5% |
| Propane / LP gas | 27.7% |
| Fuel oil | 41.8% |
| Wood | 18.8% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 607 | 53.6% |
| Cohabiting couple | 112 | 9.9% |
| Male householder, no spouse | 288 | 25.4% |
| Female householder, no spouse | 125 | 11.0% |
| Households with children under 18 | 258 | 22.8% |
| Households with seniors (65+) | 374 | 33.0% |
| Average household size | 2.37 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 32.9% | 13.4% |
| Married | 51.1% | 63.1% |
| Separated | 0.0% | 0.6% |
| Widowed | 3.8% | 9.6% |
| Divorced | 12.2% | 13.3% |
Education
Less than 9th grade
0.0%
Some HS, no diploma
1.1%
HS graduate
28.5%
Some college, no degree
19.6%
Associate's degree
11.0%
Bachelor's degree
26.8%
Graduate / professional
13.0%
| Metric | % |
|---|---|
| HS diploma or higher | 98.9% |
| Bachelor's or higher | 39.9% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 0 | 0.0% |
| Kindergarten | 35 | 6.7% |
| Elementary school | 261 | 49.9% |
| High school | 105 | 20.1% |
| College / grad school | 122 | 23.3% |
Employment
Industry of employment
Education & healthcare
25.7%
Arts, food & hospitality
17.1%
Construction
10.2%
Transportation & utilities
10.1%
Public administration
9.2%
Professional & management
8.6%
Manufacturing
4.6%
Other services
3.8%
Finance & real estate
3.6%
Retail trade
3.4%
Wholesale trade
3.3%
Agriculture & mining
0.3%
Information
0.3%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 31.0% |
| Service | 23.6% |
| Sales & office | 18.7% |
| Natural resources & construction | 15.4% |
| Production & transportation | 11.4% |
Employment type
| Type | % |
|---|---|
| Private sector | 71.4% |
| Government | 17.6% |
| Self-employed | 11.0% |
| Unpaid family workers | 0.0% |
Commute
| Method | % |
|---|---|
| Drive alone | 77.6% |
| Carpool | 3.4% |
| Public transit | 0.0% |
| Walk | 0.7% |
| Work from home | 13.1% |
| Other means | 5.3% |
| Avg commute (minutes) | 26.6 |
Poverty
All people
7.7%
Under 18 years
4.5%
18 and over
8.5%
Married-couple families
4.0%
Female-led households
50.0%
Income support
| Source | % of households |
|---|---|
| Social Security | 27.7% |
| Retirement income | 21.7% |
| Supplemental Security | 4.3% |
| Cash public assistance | 3.0% |
| Food stamps / SNAP | 4.2% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 33.2% |
| High blood pressure | 28.0% |
| High cholesterol | 30.6% |
| Diabetes | 8.6% |
| Heart disease | 6.0% |
| Stroke | 2.6% |
| Asthma | 10.6% |
| Arthritis | 25.6% |
| Kidney disease | 2.5% |
| Pulmonary disease | 6.2% |
| Cancer | 7.1% |
| Behavior / access | % |
|---|---|
| Smoking | 15.1% |
| Binge drinking | 16.5% |
| No physical activity | 16.8% |
| Less than 7 hrs sleep | 30.3% |
| Depression | 23.2% |
| Fair or poor health | 11.4% |
| Poor mental health | 14.1% |
| Poor physical health | 9.8% |
| No health insurance | 9.6% |
| Visited doctor (checkup) | 73.8% |
| Visited dentist | 68.5% |
| Cholesterol screening | 92.1% |
| Teeth loss | 10.5% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 146 | 6.7% |
| Disability | % |
|---|---|
| Any disability | 10.2% |
| Under 18 | 3.0% |
| 18–64 years | 10.0% |
| 65 and over | 18.1% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 70.1% |
| Public insurance | 33.0% |
| No insurance | 6.7% |
| Uninsured under 19 | 3.7% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 2,584 | 95.2% |
| 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) | 2,568 | 94.6% |
| Born in same state | 2,561 | 94.3% |
| Born in different state | 1,524 | 56.1% |
| Foreign born | 7 | 0.3% |
| Naturalized citizen | 147 | 5.4% |
| Not a US citizen | 99 | 67.3% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| French | 702 | 25.9% |
| Italian | 539 | 19.9% |
| German | 186 | 6.9% |
| Arab | 143 | 5.3% |
| English | 86 | 3.2% |
| Ancestry | Count | % |
|---|---|---|
| Polish | 14 | 0.5% |
| Dutch | 12 | 0.4% |
| Norwegian | 11 | 0.4% |
| Irish | 7 | 0.3% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 41.7% |
| Internet access | 95.5% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 03285
What city is ZIP code 03285 in?
ZIP code 03285 is primarily assigned to Thornton, New Hampshire.
What county is ZIP code 03285 in?
ZIP code 03285 falls within Grafton County, New Hampshire.
Is ZIP code 03285 mostly owner-occupied?
81% of occupied units in ZIP code 03285 are owner-occupied, well above the national average.
What is the population of ZIP code 03285?
ZIP code 03285 has an estimated population of 2,715 residents, with a density of 54 people per square mile.
What is the median household income in ZIP code 03285?
The median household income in ZIP code 03285 is $82,593, above the national median of ~$75,000.
What is the typical home value in ZIP code 03285?
The median home value in ZIP code 03285 is $273,900.
What timezone is ZIP code 03285 in?
ZIP code 03285 observes the EST timezone.