Sandwich, NH demographics:
population, income, and more

Total population
1,640
0.2% year-over-year change
Median household income
$115,894/yr
3.9% year-over-year change
Housing units
1,236
-1.6% year-over-year change

Sandwich population

How many people live in Sandwich

Sandwich is home to 1,640 residents, according to the most recent Census data. Gender-wise, 58.4% of Sandwich locals are male, and 41.6% are female.

Total population
1,640
0.2% year-over-year change
Gender ratio
Male
58.4%
957
Female
41.6%
683
Value Percent YoY change
Male 957 58.4% -0.3%
Female 683 41.6% 1.0%
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 Sandwich is 65, with the population distributed as follows: about 6.4% are children under 15, then 4.8% are in the 15 to 24 age group. Adults between 25 and 44 make up 12.2% of the population, while another 30.1% fall into the 45 to 64 bracket. Finally, around 46.5% are 65 or older.

Median age
65
Age breakdown
Under 15
6.4%
15 to 24
4.8%
25 to 44
12.2%
45 to 64
30.1%
Over 65
46.5%
Value Percent YoY change
Under 15 105 6.4% -13.9%
15 to 24 79 4.8% -33.6%
25 to 44 200 12.2% 11.1%
45 to 64 494 30.1% 2.9%
Over 65 762 46.5% 3.7%
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 Sandwich, 94% of the population are US-born citizens, while 5.2% have gained naturalized citizenship. At the same time, 0.7% of residents are non-citizens. There’s also a share of 3.3% that includes residents with two or more races.

Citizenship
U.S.-born citizens
94%
Non-U.S.-born citizens
5.2%
Non-citizens
0.7%
Value Percent YoY change
U.S.-born citizens 1,542 94% -0.1%
Non-U.S.-born citizens 86 5.2% 11.7%
Non-citizens 12 0.7% -20.0%
Racial breakdown
White
96.6%
Black or African American
0%
American Indian and Alaska Native
0%
Asian
0.1%
Native Hawaiian and other Pacific Islander
0%
Two or more races
3.3%
Other
0%
Value Percent
White 1,585 96.6%
Asian 1 0.1%
Two or more races 54 3.3%

Households in Sandwich

A peek inside Sandwich households

Sandwich has 869 households, with an average of 2 members in each. Of these, 55% are families, while the remaining 45% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
869
2.2% year-over-year change
Average people per household
2
Non-family households
391
Family households
478
Value Percent YoY change
Non-family households 391 45% 1.3%
Family households 478 55% 3.0%
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 Sandwich

The housing landscape of Sandwich

Sandwich's housing consists of 1,236 units, with 97% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 0.5% 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 0.3% of the housing landscape.

Housing units
1,236
-1.6% year-over-year change
Housing types
Value Percent
1 unit, detached 1,199 97%
1 unit, attached 6 0.5%
2 units 18 1.5%
5 to 9 units 4 0.3%
10 to 19 units 5 0.4%
Mobile home 4 0.3%
Homes built since 2020
19
90.0% year-over-year change

The age of buildings in Sandwich

In Sandwich, the median construction year is 1967. About 26.9% of homes were built before the 1940s, with another 13.8% going up by 1949. Most development happened in the second half of the 20th century. Then, 7.4% of homes were added from 2000 to 2009, 10.4% between 2010 and 2019, and 1.5% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 332 26.9% -11.5%
Built between 1940 and 1949 170 13.8% 0.6%
Built between 1950 and 1959 68 5.5% -29.2%
Built between 1960 and 1969 43 3.5% -29.5%
Built between 1970 and 1979 157 12.7% -7.7%
Built between 1980 and 1989 108 8.7% 28.6%
Built between 1990 and 1999 119 9.6% 32.2%
Built between 2000 and 2009 92 7.4% 3.4%
Built between 2010 and 2019 128 10.4% 14.3%
Built in 2020 or later 19 1.5% 90.0%
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.

Sandwich occupancy rates

Out of the 869 occupied housing units in Sandwich, 93.9% are owner-occupied, while 6.1% are lived in by tenants. Meanwhile, 29.7% of all homes on the local market sit vacant.

Occupied housing units
869
2.2% year-over-year change
Occupancy breakdown
Renter occupied
53
Owner occupied
816
Value Percent YoY
change
Renter occupied 53 6.1% -17.2%
Owner occupied 816 93.9% 3.8%
Unoccupied housing units
29.7%
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.

Sandwich housing costs

Housing costs in Sandwich come to a median of $837 per month, while tenants specifically pay a median gross rent of $1,571.

Median housing costs per month
$837/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 Sandwich
$1,571/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 Sandwich

Sandwich education at a glance

About 16.6% of the population in Sandwich went to high school, while 12% pursued college studies. Another 9.2% earned an associate degree and 26.8% hold a bachelor’s. Meanwhile, 35.2% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 2 0.1% -60.0%
High school diploma 253 16.6% -13.4%
College diploma 183 12% 8.3%
Associate degree 141 9.2% -4.1%
Bachelor's degree 409 26.8% 8.8%
Graduate degree 536 35.2% 6.8%
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 Sandwich

How much people earn in Sandwich

The average annual household income in Sandwich was $182,739 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +6.4% change from the previous year. At the same time, the median income stood at $115,894, reflecting a +3.9% shift over the same period.

Average household income in Sandwich
$182,739/year
6.4% year-over-year change
Median household income in Sandwich
$115,894/year
3.9% year-over-year change

Sandwich income by age

In Sandwich, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $154,750. Those with someone between 45 and 64 in charge, often well established professionally, earn $114,854 overall. Overall, 95.1% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $154,750 26.8%
45 - 64 $114,854 -11.0%
Over 65 $138,768 2.7%
Above poverty level
1,560
Below poverty level
80
Value Percent YoY
change
Above poverty level 1,560 95.1% -1.6%
Below poverty level 80 4.9% 66.7%

Employment in Sandwich

Workforce and job types in Sandwich

84.2% of the working population are employed in professional or administrative positions, while 15.8% are in hands-on or service-based jobs. Also, 23.1% run their own businesses, 38.1% are employed by private companies, and 14.9% work in the public sector.

Workforce demographics

White collar
706
Blue collar
133
Value Percent YoY change
White collar 706 84.2% -0.6%
Blue collar 133 15.8% -13.1%
Employer type
Self employees
23.1%
Private companies
38.1%
Governmental workers
14.9%
Not for profit companies
23.8%
Value Percent YoY change
Self employees 194 23.1% -8.9%
Private companies 320 38.1% -3.6%
Governmental workers 125 14.9% -1.6%
Not for profit companies 200 23.8% 4.7%

Transportation in Sandwich

How people get around in Sandwich

Commuting methods vary: 96.4% of residents travel by personal vehicle and 3.6% 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 505 96.4% -8.3%
Walk 19 3.6% -5.0%
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 Sandwich by zipcode?

Zipcode Population Number of households Median income Average income
03227 1,388 724 $146,917 $205,008
03259 252 145 $84,872 $142,455

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FAQs about Sandwich demographics 

What is the total population of Sandwich?

Sandwich has a total population of 1,640 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 +0.2% compared to a year ago.

What is the gender ratio in Sandwich?

The gender ratio in Sandwich is as follows:
  • 58.4% males (957 residents)
  • 41.6% females (683 residents)

What is the median age in Sandwich?

The median age in Sandwich is 65.

What is the age distribution of the population in Sandwich?

The age distribution in Sandwich is as follows:
  • Under 15: 6.4% (105 residents)
  • Ages 15-24: 4.8% (79 residents)
  • Ages 25-44: 12.2% (200 residents)
  • Ages 45-64: 30.1% (494 residents)
  • Over 65: 46.5% (762 residents)

What is the racial and ethnic makeup of Sandwich?

The racial and ethnic makeup of Sandwich is as follows:
  • White: 96.6% (1,585 residents)
  • Black or African American: 0% ( residents)
  • American Indian and Alaska Native: 0% ( residents)
  • Asian: 0.1% (1 residents)
  • Native Hawaiian and Other Pacific Islander: 0% ( residents)
  • Two or More Races: 3.3% (54 residents)
  • Other: 0% ( residents)

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

U.S.-born citizens represent 94% of the population in Sandwich.

How many housing units are there in Sandwich?

There are 1,236 housing units in Sandwich, reflecting a -1.6% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

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

Sandwich has a total of 869 households, with an average of 2 people in each.

What is the median household income in Sandwich?

Sandwich has a median household income of $115,894, representing a +3.9% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Sandwich?

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

Job types:
  • White-collar workers: 84.2% (706 residents)
  • Blue-collar workers: 15.8% (133 residents)

Places of employment:
  • Self-employed: 23.1% (194 residents)
  • Private companies: 38.1% (320 residents)
  • Governmental workers: 14.9% (125 residents)
  • Not-for-profit companies: 23.8% (200 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