03450 ZIP Code — Harrisville, NH

Cheshire County, New Hampshire

ZIP code 03450 is located in Harrisville, New Hampshire, within Cheshire County. It covers approximately 18.56 square miles and serves a population of 977 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 603.

About ZIP code 03450

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $311,300. Owner-occupancy is high at 93%, well above the national average.

The gap between median ($89,737) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 4% is below the national average. 48% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 28 minutes is near the national average.

Educational attainment is high — 48% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 03450 reflects a community defined by high homeownership and a significant Social Security-dependent population.

977
population
18.56
sq mi land
Standard
ZIP type
Eastern (ET)
timezone
03450 ZIP code map
Cities in ZIP code 03450

Below are the cities the US Postal Service accepts for ZIP code 03450. Using any city not on this list may result in mail delivery delays.

City Status
Harrisville Preferred
Nearby ZIP codes
03444 Dublin (3.9 mi) 03449 Hancock (4.8 mi) 03455 Marlborough (5.2 mi) 03445 Sullivan (8 mi) 03452 Jaffrey (8.2 mi) 03458 Peterborough (8.9 mi) 03440 Antrim (9.2 mi) 03465 Troy (9.7 mi) 03431 Keene (9.9 mi) 03435 Keene (10 mi) 03448 Gilsum (10.2 mi) 03047 Greenfield (10.6 mi)
Demographics updated 05/2026
Population
Total population 977
Population density 53 / sq mi
State FIPS 33
County FIPS 005
Geography
Land area 18.56 sq mi
Water area 1.58 sq mi
Latitude 42.9485
Longitude -72.0835
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 24.3% 36.3% 31.0%
$50k – $100k 34.8% 35.9% 31.2%
$100k – $200k 24.1% 22.5% 28.1%
Over $200k 16.8% 5.4% 9.7%

Demographics & statistics

977
Population
53
People per sq mi
56.6
Median age
$89,737
Median household income
$52,823
Per capita income
$311,300
Median home value
$1,306
Median monthly rent
92.8%
Home ownership
4.3%
Poverty rate
1.7%
Unemployment
660
Housing units
48.0%
Bachelor's or higher

Age distribution

Male Female
24
Under 5
26
26
5–9
30
15
10–14
17
11
15–19
12
11
20–24
13
43
25–34
48
53
35–44
60
32
45–54
35
58
55–59
65
50
60–64
57
93
65–74
105
32
75–84
35
12
85+
14
← Male
Female →

Age summary

GroupCount%
Under 1814915.3%
18 and over82884.7%
65 and over29129.8%
Median age56.6 years

Race & ethnicity

White 93.3%
Two or more races 2.8%
Black or African American 1.7%
Asian 1.2%
American Indian / Alaska Native 0.9%
GroupCount%
White91293.3%
Two or more races272.8%
Black or African American171.7%
Asian121.2%
American Indian / Alaska Native90.9%

Household income

Income range This ZIP County avg State avg
Under $50k 24.3% 36.3% 31.0%
$50k – $100k 34.8% 35.9% 31.2%
$100k – $200k 24.1% 22.5% 28.1%
Over $200k 16.8% 5.4% 9.7%
Under $10k 1.7%
$10k–$15k 0.7%
$15k–$25k 2.4%
$25k–$35k 3.6%
$35k–$50k 12.3%
$50k–$75k 18.3%
$75k–$100k 19.5%
$100k–$150k 15.1%
$150k–$200k 10.3%
$200k+ 16.1%
Range% of households
Under $10k1.7%
$10k–$15k0.7%
$15k–$25k2.4%
$25k–$35k3.6%
$35k–$50k12.3%
$50k–$75k18.3%
$75k–$100k19.5%
$100k–$150k15.1%
$150k–$200k10.3%
$200k+16.1%
Median income$89,737

Housing

Home values

Under $50k 3.9%
$50k–$100k 0.8%
$100k–$150k 1.0%
$150k–$200k 6.5%
$200k–$300k 36.3%
$300k–$500k 31.6%
$500k–$1M 18.1%
$1M+ 1.8%

Housing overview

MetricValue
Median home value$311,300
Median rent / month$1,306
Owner occupied92.8%
Renter occupied7.2%
Vacant39.7%
Single-family detached93.5%
Large apartment buildings0.0%
Mobile homes5.1%
Median rooms5.5
Avg household size (owned)2.32

Year built

Era%
2020 or later0.0%
2010–20190.4%
2000–200910.0%
1990–19994.9%
1980–198911.4%
1970–197910.1%
1960–196913.0%
1950–19597.5%
1940–194910.3%
1939 or earlier32.2%

Bedrooms

Size% of units
No bedroom (studio)1.2%
1 bedroom13.2%
2 bedrooms25.5%
3 bedrooms38.8%
4 bedrooms11.0%
5+ bedrooms10.3%

Vehicles per household

Vehicles% of households
No vehicle1.7%
1 vehicle19.2%
2 vehicles48.1%
3 or more31.0%

Heating fuel

Fuel type%
Utility gas1.9%
Electricity3.6%
Propane / LP gas16.1%
Fuel oil50.2%
Wood19.5%
Solar0.7%

Households & families

Household typeCount%
Married-couple family27165.1%
Cohabiting couple419.9%
Male householder, no spouse4510.8%
Female householder, no spouse5914.2%
Households with children under 188119.5%
Households with seniors (65+)18243.8%
Average household size2.35

Marital status

StatusMaleFemale
Never married13.7%14.6%
Married67.8%62.0%
Separated0.0%0.7%
Widowed1.8%5.2%
Divorced16.6%17.6%

Education

Less than 9th grade 0.0%
Some HS, no diploma 3.2%
HS graduate 24.2%
Some college, no degree 12.0%
Associate's degree 12.6%
Bachelor's degree 27.9%
Graduate / professional 20.1%
Metric%
HS diploma or higher96.8%
Bachelor's or higher48.0%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool1610.1%
Kindergarten74.4%
Elementary school7648.1%
High school1710.8%
College / grad school4226.6%

Employment

Industry of employment

Education & healthcare 37.6%
Manufacturing 11.3%
Retail trade 10.7%
Professional & management 10.2%
Finance & real estate 7.6%
Construction 6.7%
Arts, food & hospitality 4.8%
Other services 3.7%
Public administration 3.3%
Wholesale trade 2.6%
Agriculture & mining 1.1%
Transportation & utilities 0.4%

Occupation

Category%
Management, business & arts55.9%
Service15.4%
Sales & office18.3%
Natural resources & construction7.0%
Production & transportation3.5%

Employment type

Type%
Private sector74.1%
Government14.6%
Self-employed11.3%
Unpaid family workers0.0%

Commute

Method%
Drive alone81.8%
Carpool4.0%
Public transit1.6%
Walk0.9%
Work from home10.4%
Other means1.3%
Avg commute (minutes)27.5

Poverty

All people 4.3%
Under 18 years 0.0%
18 and over 5.1%
Married-couple families 0.0%
Female-led households 0.0%

Income support

Source% of households
Social Security47.6%
Retirement income38.5%
Supplemental Security1.2%
Cash public assistance0.7%
Food stamps / SNAP0.0%

Health indicators

Condition%
Obesity30.7%
High blood pressure32.9%
High cholesterol31.5%
Diabetes9.5%
Heart disease6.7%
Stroke2.9%
Asthma10.8%
Arthritis30.7%
Kidney disease2.9%
Pulmonary disease6.9%
Cancer8.5%
Behavior / access%
Smoking13.2%
Binge drinking15.6%
No physical activity18.8%
Less than 7 hrs sleep32.2%
Depression22.6%
Fair or poor health12.3%
Poor mental health13.5%
Poor physical health10.4%
No health insurance8.9%
Visited doctor (checkup)70.6%
Visited dentist69.1%
Cholesterol screening93.4%
Teeth loss10.4%

Veterans & disability

VeteransCount%
Civilian veterans688.2%
Disability%
Any disability12.3%
Under 182.0%
18–64 years12.1%
65 and over17.9%

Health insurance coverage

Type%
Private insurance68.3%
Public insurance41.8%
No insurance6.7%
Uninsured under 192.5%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only92794.9%
Spanish60.6%
Other Indo-European00.0%
Asian & Pacific Islander60.6%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)93295.4%
Born in same state91293.3%
Born in different state46547.6%
Foreign born202.0%
Naturalized citizen454.6%
Not a US citizen3271.1%

Ancestry

AncestryCount%
French26126.7%
Italian17517.9%
German9910.1%
Arab323.3%
AncestryCount%
Polish131.3%
Irish111.1%
English50.5%
Dutch40.4%

Technology access

Metric% of households
Computer access42.6%
Internet access95.9%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 03450

What city is ZIP code 03450 in?

ZIP code 03450 is primarily assigned to Harrisville, New Hampshire.

What county is ZIP code 03450 in?

ZIP code 03450 falls within Cheshire County, New Hampshire.

Does ZIP code 03450 have an older population?

30% of residents in ZIP code 03450 are 65 or older, above the national average of ~17%.

Is ZIP code 03450 mostly owner-occupied?

93% of occupied units in ZIP code 03450 are owner-occupied, well above the national average.

Does ZIP code 03450 have a large retiree population?

48% of households in ZIP code 03450 receive Social Security income, suggesting a significant retiree or disability population.

How educated is the population of ZIP code 03450?

48% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

What timezone is ZIP code 03450 in?

ZIP code 03450 observes the EST timezone.

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