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New Hampshire ZIP Codes
Hillsborough County
New Boston, NH
03070
03070 ZIP Code — New Boston, NH
Hillsborough County, New Hampshire
ZIP code 03070 is located in
New Boston ,
New Hampshire ,
within Hillsborough County .
It covers approximately 43.06 square miles and serves a population of
6,099 residents.
This is a standard ZIP code in the Eastern (ET) timezone,
served by area code 603 .
About ZIP code 03070
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 2000s, giving the area an established character. Median home value is $376,700. Owner-occupancy is high at 89%, well above the national average.
Median household income is $137,813. The poverty rate of 5% is below the national average.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. An above-average commute of 40 minutes suggests many residents work outside the immediate area.
Educational attainment is near the national average, with 43% of residents holding a bachelor's degree or higher.
03070 ZIP code map
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Cities in ZIP code 03070
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Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
6,099
Population density
142 / sq mi
State FIPS
33
County FIPS
011
Geography
Land area
43.06 sq mi
Water area
0.40 sq mi
Latitude
42.9759
Longitude
-71.6814
Timezone
Eastern (ET)
Area code
603
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
10.5%
29.3%
31.0%
$50k – $100k
26.9%
29.8%
31.2%
$100k – $200k
41.6%
30.5%
28.1%
Over $200k
21.1%
10.5%
9.7%
Demographics & statistics
$137,813
Median household income
$376,700
Median home value
$1,097
Median monthly rent
42.7%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 1,537 25.2%
18 and over 4,562 74.8%
65 and over 918 15.1%
Median age 40.7 years
Race & ethnicity
Group Count %
White 5,936 95.9%
Hispanic or Latino 93 1.5%
Two or more races 90 1.5%
Other race 73 1.2%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
10.5%
29.3%
31.0%
$50k – $100k
26.9%
29.8%
31.2%
$100k – $200k
41.6%
30.5%
28.1%
Over $200k
21.1%
10.5%
9.7%
Range % of households
Under $10k 1.5%
$10k–$15k 1.3%
$15k–$25k 1.8%
$25k–$35k 2.9%
$35k–$50k 1.5%
$50k–$75k 15.4%
$75k–$100k 11.9%
$100k–$150k 18.0%
$150k–$200k 17.6%
$200k+ 27.9%
Median income $137,813
Housing
Housing overview
Metric Value
Median home value $376,700
Median rent / month $1,097
Owner occupied 88.6%
Renter occupied 11.4%
Vacant 2.1%
Single-family detached 80.3%
Large apartment buildings 0.0%
Mobile homes 4.7%
Median rooms 7.0
Avg household size (owned) 2.95
Year built
Era %
2020 or later 0.0%
2010–2019 5.7%
2000–2009 29.9%
1990–1999 11.8%
1980–1989 26.2%
1970–1979 10.9%
1960–1969 2.5%
1950–1959 0.9%
1940–1949 4.4%
1939 or earlier 7.8%
Bedrooms
Size % of units
No bedroom (studio) 0.0%
1 bedroom 1.5%
2 bedrooms 20.0%
3 bedrooms 52.2%
4 bedrooms 24.6%
5+ bedrooms 1.6%
Vehicles per household
Vehicles % of households
No vehicle 0.9%
1 vehicle 16.7%
2 vehicles 50.8%
3 or more 31.6%
Heating fuel
Fuel type %
Utility gas 4.2%
Electricity 4.5%
Propane / LP gas 35.7%
Fuel oil 36.9%
Wood 13.7%
Households & families
Household type Count %
Married-couple family 1,321 62.3%
Cohabiting couple 217 10.2%
Male householder, no spouse 261 12.3%
Female householder, no spouse 320 15.1%
Households with children under 18 844 39.8%
Households with seniors (65+) 577 27.2%
Average household size 2.86
Marital status
Status Male Female
Never married 25.8% 21.5%
Married 61.6% 59.8%
Separated 2.2% 0.0%
Widowed 0.7% 3.8%
Divorced 9.6% 14.8%
Education
Some college, no degree
11.0%
Graduate / professional
10.6%
Metric %
HS diploma or higher 93.8%
Bachelor's or higher 42.7%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 104 6.4%
Kindergarten 58 3.6%
Elementary school 653 40.0%
High school 540 33.1%
College / grad school 276 16.9%
Employment
Industry of employment
Education & healthcare
28.9%
Professional & management
9.4%
Finance & real estate
9.2%
Arts, food & hospitality
6.2%
Transportation & utilities
4.3%
Public administration
3.8%
Agriculture & mining
0.6%
Occupation
Category %
Management, business & arts 51.3%
Service 13.3%
Sales & office 15.7%
Natural resources & construction 8.8%
Production & transportation 10.9%
Employment type
Type %
Private sector 78.1%
Government 13.1%
Self-employed 8.8%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 72.5%
Carpool 8.4%
Public transit 0.0%
Walk 0.4%
Work from home 18.3%
Other means 0.4%
Avg commute (minutes) 39.9
Poverty
Married-couple families
0.0%
Female-led households
12.3%
Income support
Source % of households
Social Security 25.9%
Retirement income 19.7%
Supplemental Security 1.0%
Cash public assistance 0.0%
Food stamps / SNAP 0.0%
Health indicators
Condition %
Obesity 29.3%
High blood pressure 26.5%
High cholesterol 28.8%
Diabetes 7.1%
Heart disease 4.4%
Stroke 1.9%
Asthma 10.8%
Arthritis 21.9%
Kidney disease 2.0%
Pulmonary disease 4.7%
Cancer 6.0%
Behavior / access %
Smoking 13.4%
Binge drinking 19.5%
No physical activity 16.8%
Less than 7 hrs sleep 32.8%
Depression 21.2%
Fair or poor health 9.0%
Poor mental health 13.7%
Poor physical health 8.0%
No health insurance 8.4%
Visited doctor (checkup) 71.3%
Visited dentist 74.6%
Cholesterol screening 92.2%
Teeth loss 8.4%
Veterans & disability
Veterans Count %
Civilian veterans 420 9.2%
Disability %
Any disability 8.1%
Under 18 4.0%
18–64 years 5.4%
65 and over 25.8%
Health insurance coverage
Type %
Private insurance 86.8%
Public insurance 19.6%
No insurance 4.3%
Uninsured under 19 2.5%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 5,830 95.6%
Spanish 13 0.2%
Other Indo-European 13 0.2%
Asian & Pacific Islander 0 0.0%
Other languages 0 0.0%
Place of birth & citizenship
Origin Count %
Native born (US) 6,081 99.7%
Born in same state 6,034 98.9%
Born in different state 3,361 55.1%
Foreign born 47 0.8%
Naturalized citizen 18 0.3%
Not a US citizen 0 0.0%
Ancestry
Ancestry Count %
Italian 1,733 28.4%
French 1,050 17.2%
German 758 12.4%
Ancestry Count %
Arab 148 2.4%
English 72 1.2%
Polish 25 0.4%
Technology access
Metric % of households
Computer access 34.7%
Internet access 97.5%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 03070
What city is ZIP code 03070 in?
ZIP code 03070 is primarily assigned to New Boston, New Hampshire.
What county is ZIP code 03070 in?
ZIP code 03070 falls within Hillsborough County, New Hampshire.
Is ZIP code 03070 mostly owner-occupied?
89% of occupied units in ZIP code 03070 are owner-occupied, well above the national average.
What is the median household income in ZIP code 03070?
The median household income in ZIP code 03070 is $137,813, above the national median of ~$75,000.
What is the typical home value in ZIP code 03070?
The median home value in ZIP code 03070 is $376,700.
Does ZIP code 03070 have a large veteran population?
9% of civilians in ZIP code 03070 are veterans, above the national average of ~7%.
What timezone is ZIP code 03070 in?
ZIP code 03070 observes the EST timezone.
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