Demographics of Sandwich town, Massachusetts

Sandwich town, Massachusetts had 20,575 people on July 1, 2025, by the Census Bureau’s estimate: +314 since July 2020. Age, income, poverty, housing and origin below come from the survey, averaged over 2020–2024, each with its margin of error.

Sandwich town, in four figures

20,575
Population: July 1, 2025, Vintage 2025 estimate. The survey’s 2020–⁠2024 figure is 20,522 ±41.; +1.5%
Change since July 2020: +314 people.; 51.8 ±1.8
Median age: ACS 2020–⁠2024.; $122,486 ±$11,558
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. The Bureau publishes no births, deaths or migration for a town, so the change is the difference between one July estimate and the next.

Sandwich town, Massachusetts's population grew 1.5% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Sandwich town, Massachusetts's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).

Source: The Census Bureau

About this chart

The figures

Sandwich town, Massachusetts's population grew 1.5% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Sandwich town, Massachusetts's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).
July 1	Population	Index	United States
2020	20,261	100.0	100.0
2021	20,608	101.7	100.2
2022	20,689	102.1	100.7
2023	20,639	101.9	101.6
2024	20,624	101.8	102.5
2025	20,575	101.5	103.1

Population of Sandwich town, Massachusetts on July 1 of each year, Vintage 2025
July 1	Population	Change
2020	20,261	—
2021	20,608	+347
2022	20,689	+81
2023	20,639	−50
2024	20,624	−15
2025	20,575	−49

Age, 2020–2024

The median age is 51.8 ±1.8: for men 50.1 ±2.9 and for women 54.9 ±2.2. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Sandwich town by age, ACS 2020–2024
Age	People	Share	Massachusetts	United States
Under 5	732 ±184	3.6% ±0.9	5.0% ±<0.1	5.6% ±<0.1
5 to 17	2,814 ±368	13.7% ±1.8	14.4% ±0.1	16.3% ±<0.1
18 to 24	1,234 ±335	6.0% ±1.6	9.8% ±0.1	9.1% ±<0.1
25 to 44	3,891 ±471	19.0% ±2.3	27.1% ±0.1	26.9% ±<0.1
45 to 64	6,230 ±639	30.4% ±3.1	25.9% ±0.1	24.8% ±<0.1
65 and over	5,621 ±642	27.4% ±3.1	17.9% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $122,486 ±$11,558, and income per person $64,229 ±$5,153, in 2024 dollars. The median is $103,960 ±$527 in Massachusetts and $80,734 ±$166 in the United States.

Households by income

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Households in Sandwich town by income, ACS 2020–2024
Household income	Households	Share	Massachusetts	United States
Under $25,000	736 ±249	8.7% ±2.9	13.2% ±0.2	14.6% ±<0.1
$25,000 to $49,999	799 ±288	9.5% ±3.4	12.5% ±0.2	16.7% ±<0.1
$50,000 to $74,999	881 ±226	10.4% ±2.6	12.0% ±0.2	15.5% ±<0.1
$75,000 to $99,999	750 ±203	8.9% ±2.4	10.7% ±0.2	12.6% ±<0.1
$100,000 to $149,999	1,890 ±317	22.4% ±3.6	17.5% ±0.2	17.5% ±<0.1
$150,000 to $199,999	1,432 ±378	17.0% ±4.4	11.9% ±0.1	9.6% ±<0.1
$200,000 or more	1,950 ±338	23.1% ±3.8	22.3% ±0.2	13.4% ±0.1

Poverty by age

The poverty rate is the share of people whose family income is below the federal threshold for their family’s size, of everyone for whom the Bureau determines it (B17020).

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Poverty rate in Sandwich town by age, ACS 2020–2024
Age	Below poverty	Rate	Massachusetts	United States
All ages	1,420 ±568	7.0% ±2.8	10.0% ±0.1	12.5% ±0.1
Under 18	23 to 221	0.7% to 6.3%	11.7% ±0.3	16.1% ±0.1
18 to 59	775 ±337	8.2% ±3.5	9.3% ±0.2	11.6% ±0.1
60 and over	166 to 880	2.3% to 11.8%	10.4% ±0.2	11.0% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Housing, 2020–2024

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Housing in Sandwich town, ACS 2020–2024
Measure	Sandwich town	Massachusetts	United States
Housing units	10,052 ±350	3,030,406 ±453	143,775,355 ±10,234
Occupied	83.9% ±2.9	91.9% ±0.2	89.9% ±0.1
Vacant	16.1% ±2.6	8.1% ±0.2	10.1% ±0.1
Owner occupied	89.2% ±1.6	62.5% ±0.3	65.2% ±0.3
Renter occupied	10.8% ±2.9	37.5% ±0.2	34.8% ±0.1
Median home value	$601,400 ±$25,932	$562,100 ±$2,169	$332,700 ±$236
Median gross rent	$1,751 ±$121	$1,762 ±$9	$1,413 ±$2
Median year built	1982 ±2	1964 ±1	1980 ±1

Occupied and vacant are shares of all housing units; owner and renter occupied are shares of occupied units. Value and rent are medians in 2024 dollars.

Origin and place of birth, 2020–2024

Hispanic or Latino origin is not a race in the Census Bureau’s tables. Here the people of Hispanic origin, of any race, are one row, and everyone else is counted by race alone (B03002), so the rows add to the whole.

Hispanic origin and race

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People in Sandwich town by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Massachusetts	United States
Hispanic or Latino	425 ±178	2.1% ±0.9	13.3% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	18,967 ±413	92.4% ±2.0	66.6% ±0.1	57.4% ±<0.1
Black alone, not Hispanic	0 to 68	0% to 0.3%	6.4% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	136 to 520	0.7% to 2.5%	7.3% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	0 to 100	0% to 0.5%	0.1% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 25	0% to 0.1%	< 0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	0 to 351	0% to 1.7%	1.2% ±0.1	0.6% ±<0.1
Two or more races, not Hispanic	573 ±244	2.8% ±1.2	5.1% ±0.1	4.3% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Place of birth and citizenship

“Born a citizen outside the states” counts people born in Puerto Rico, the island areas, or abroad to American parents. Naturalized citizens and those who are not citizens together make up the people born abroad (B05002).

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People in Sandwich town by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Massachusetts	United States
Born in the state	14,167 ±808	69.0% ±3.9	58.7% ±0.2	57.3% ±<0.1
Born in another state	5,213 ±752	25.4% ±3.7	20.3% ±0.2	26.9% ±<0.1
Born a citizen outside the states	381 ±181	1.9% ±0.9	2.9% ±0.1	1.7% ±<0.1
Born abroad	761 ±246	3.7% ±1.2	18.0% ±0.1	14.1% ±<0.1
Naturalized citizens	593 ±211	2.9% ±1.0	9.7% ±0.1	7.4% ±<0.1
Not citizens	56 to 280	0.3% to 1.4%	8.3% ±0.1	6.8% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Sandwich town among the places and towns of Massachusetts

95th of 291 places and towns of 5,000 or more by the survey’s 2020–2024 count. Every one is listed on the Massachusetts page.

Places of Massachusetts near Sandwich town in population, ACS 2020–2024
Place	ACS 2020–⁠2024
Wilmington CDP	23,336 ±47
Wareham town	23,302 ±24
Westborough town	21,944 ±31
Gardner city	21,148 ±23
Ludlow town	20,904 ±23
Sandwich town	20,522 ±41
Marblehead CDP	20,413 ±24
Bourne town	20,323 ±24
Hudson town	20,077 ±37
Holden town	20,064 ±26
Grafton town	19,902 ±65

Rankings this appears in

No. 11 Places in Massachusetts by homeownership rate
No. 17 Places in Massachusetts by median age
No. 33 Places in Massachusetts by poverty rate
No. 53 Places in Massachusetts by median household income
No. 58 Places in Massachusetts by median rent
No. 58 Places in Massachusetts by per capita income

Sources

Census Bureau population estimates — incorporated places and New England towns — U.S. Census Bureau · U.S. Government work · retrieved September 25, 2026
American Community Survey 5-year estimates — table-based Summary File · U.S. Government work

Compiled automatically from Census Bureau population estimates — incorporated places and New England towns and American Community Survey 5-year estimates — table-based Summary File by a checked SQL query · Editor: Kian O'Connor · How this site is built

Data retrieved September 25, 2026