Sandown, NH demographics:
population, income, and more

Total population
6,625
0.6% year-over-year change
Median household income
$135,040/yr
-2.0% year-over-year change
Housing units
2,397
4.6% year-over-year change

Sandown population

How many people live in Sandown

Sandown is home to 6,625 residents, according to the most recent Census data. Gender-wise, 43.9% of Sandown locals are male, and 56.1% are female.

Total population
6,625
0.6% year-over-year change
Gender ratio
Male
43.9%
2,907
Female
56.1%
3,718
Value Percent YoY change
Male 2,907 43.9% -2.5%
Female 3,718 56.1% 3.1%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Sandown is 41, with the population distributed as follows: about 15.4% are children under 15, then 17.6% are in the 15 to 24 age group. Adults between 25 and 44 make up 21.8% of the population, while another 31% fall into the 45 to 64 bracket. Finally, around 14.2% are 65 or older.

Median age
40.8
Age breakdown
Under 15
15.4%
15 to 24
17.6%
25 to 44
21.8%
45 to 64
31%
Over 65
14.2%
Value Percent YoY change
Under 15 1,019 15.4% -14.7%
15 to 24 1,166 17.6% 16.0%
25 to 44 1,445 21.8% 1.8%
45 to 64 2,052 31% -4.5%
Over 65 944 14.2% 15.3%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Sandown, 94.2% of the population are US-born citizens, while 4.8% have gained naturalized citizenship. At the same time, 1% of residents are non-citizens. As for race, 95% of locals are Caucasian, 0.4% are African American and 0.5% have Asian roots. There’s also a share of 2.5% that includes residents with two or more races.

Citizenship
U.S.-born citizens
94.2%
Non-U.S.-born citizens
4.8%
Non-citizens
1%
Value Percent YoY change
U.S.-born citizens 6,240 94.2% -0.9%
Non-U.S.-born citizens 316 4.8% 40.4%
Non-citizens 69 1% 6.2%
Racial breakdown
White
95%
Black or African American
0.4%
American Indian and Alaska Native
0%
Asian
0.5%
Native Hawaiian and other Pacific Islander
0%
Two or more races
2.5%
Other
1.7%
Value Percent
White 6,291 95%
Black or African American 24 0.4%
Asian 31 0.5%
Two or more races 167 2.5%
Other 112 1.7%

Households in Sandown

A peek inside Sandown households

Sandown has 2,347 households, with an average of 3 members in each. Of these, 87.5% are families, while the remaining 12.5% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
2,347
5.6% year-over-year change
Average people per household
3
Non-family households
293
Family households
2,054
Value Percent YoY change
Non-family households 293 12.5% 11.0%
Family households 2,054 87.5% 4.9%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Sandown

The housing landscape of Sandown

Sandown's housing consists of 2,397 units, with 81.1% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 2.5% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 2% of the housing landscape.

Housing units
2,397
4.6% year-over-year change
Housing types
Value Percent
1 unit, detached 1,943 81.1%
1 unit, attached 60 2.5%
2 units 39 1.6%
3 or 4 units 245 10.2%
5 to 9 units 20 0.8%
10 to 19 units 28 1.2%
Mobile home 48 2%
Boat, RV, van, etc. 14 0.6%
Homes built since 2020
% year-over-year change

The age of buildings in Sandown

In Sandown, the median construction year is 1986. About 10.7% of homes were built before the 1940s, with another 4.3% going up by 1949. Most development happened in the second half of the 20th century.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 256 10.7% -14.1%
Built between 1940 and 1949 103 4.3% 2.0%
Built between 1950 and 1959 30 1.2% -36.2%
Built between 1960 and 1969 86 3.6% 14.7%
Built between 1970 and 1979 356 14.8% 16.0%
Built between 1980 and 1989 593 24.7% -18.9%
Built between 1990 and 1999 248 10.3% 24.6%
Built between 2000 and 2009 612 25.5% 39.7%
Built between 2010 and 2019 114 4.8% 17.5%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Sandown occupancy rates

Out of the 2,347 occupied housing units in Sandown, 82.5% are owner-occupied, while 17.5% are lived in by tenants. Meanwhile, 2.1% of all homes on the local market sit vacant.

Occupied housing units
2,347
5.6% year-over-year change
Occupancy breakdown
Renter occupied
410
Owner occupied
1,937
Value Percent YoY
change
Renter occupied 410 17.5% 10.5%
Owner occupied 1,937 82.5% 4.7%
Unoccupied housing units
2.1%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Sandown housing costs

Housing costs in Sandown come to a median of $2,192 per month, while tenants specifically pay a median gross rent of $1,893.

Median housing costs per month
$2,192/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Sandown
$1,893/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Sandown

Sandown education at a glance

About 32.9% of the population in Sandown went to high school, while 20.3% pursued college studies. Another 12.2% earned an associate degree and 19.3% hold a bachelor’s. Meanwhile, 13.8% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 80 1.6% -12.1%
High school diploma 1,685 32.9% -2.9%
College diploma 1,042 20.3% -11.5%
Associate degree 624 12.2% -2.5%
Bachelor's degree 988 19.3% 33.1%
Graduate degree 707 13.8% 7.0%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Sandown

How much people earn in Sandown

The average annual household income in Sandown was $144,996 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +9.7% change from the previous year. At the same time, the median income stood at $135,040, reflecting a -2% shift over the same period.

Average household income in Sandown
$144,996/year
9.7% year-over-year change
Median household income in Sandown
$135,040/year
-2.0% year-over-year change

Sandown income by age

In Sandown, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $136,552. Those with someone between 45 and 64 in charge, often well established professionally, earn $166,750 overall. Overall, 89.1% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $136,552 -13.3%
45 - 64 $166,750 15.2%
Over 65 $95,339 10.7%
Above poverty level
5,876
Below poverty level
717
Value Percent YoY
change
Above poverty level 5,876 89.1% 0.7%
Below poverty level 717 10.9% 6.7%

Employment in Sandown

Workforce and job types in Sandown

81.9% of the working population are employed in professional or administrative positions, while 18.1% are in hands-on or service-based jobs. Also, 6.9% run their own businesses, 73.1% are employed by private companies, and 11% work in the public sector.

Workforce demographics

White collar
2,716
Blue collar
600
Value Percent YoY change
White collar 2,716 81.9% 3.7%
Blue collar 600 18.1% -34.6%
Employer type
Self employees
6.9%
Private companies
73.1%
Governmental workers
11%
Not for profit companies
8.9%
Value Percent YoY change
Self employees 230 6.9% -28.6%
Private companies 2,425 73.1% -4.7%
Governmental workers 365 11% 45.4%
Not for profit companies 296 8.9% -29.7%

Transportation in Sandown

How people get around in Sandown

Commuting methods vary: 99.4% of residents travel by personal vehicle and 0.3% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 2,336 99.4% -19.8%
Bus or trolleybus 6 0.3% -50.0%
Walk 8 0.3% -42.9%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Sandown by zipcode?

Zipcode Population Number of households Median income Average income
03873 6,628 2,348 $135,040 $152,077

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FAQs about Sandown demographics 

What is the total population of Sandown?

Sandown has a total population of 6,625 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by +0.6% compared to a year ago.

What is the gender ratio in Sandown?

The gender ratio in Sandown is as follows:
  • 43.9% males (2,907 residents)
  • 56.1% females (3,718 residents)

What is the median age in Sandown?

The median age in Sandown is 40.8.

What is the age distribution of the population in Sandown?

The age distribution in Sandown is as follows:
  • Under 15: 15.4% (1,019 residents)
  • Ages 15-24: 17.6% (1,166 residents)
  • Ages 25-44: 21.8% (1,445 residents)
  • Ages 45-64: 31% (2,052 residents)
  • Over 65: 14.2% (944 residents)

What is the racial and ethnic makeup of Sandown?

The racial and ethnic makeup of Sandown is as follows:
  • White: 95% (6,291 residents)
  • Black or African American: 0.4% (24 residents)
  • American Indian and Alaska Native: 0% ( residents)
  • Asian: 0.5% (31 residents)
  • Native Hawaiian and Other Pacific Islander: 0% ( residents)
  • Two or More Races: 2.5% (167 residents)
  • Other: 1.7% (112 residents)

What percentage of the population in Sandown are U.S.-born citizens?

U.S.-born citizens represent 94.2% of the population in Sandown.

How many housing units are there in Sandown?

There are 2,397 housing units in Sandown, reflecting a +4.6% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Sandown and what is the average household size?

Sandown has a total of 2,347 households, with an average of 3 people in each.

What is the median household income in Sandown?

Sandown has a median household income of $135,040, representing a -2.0% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Sandown?

Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 81.9% (2,716 residents)
  • Blue-collar workers: 18.1% (600 residents)

Places of employment:
  • Self-employed: 6.9% (230 residents)
  • Private companies: 73.1% (2,425 residents)
  • Governmental workers: 11% (365 residents)
  • Not-for-profit companies: 8.9% (296 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025