Demographics of Mendon town, Massachusetts

Mendon town, Massachusetts had 6,479 people on July 1, 2025, by the Census Bureau’s estimate: +260 since July 2020. Age, income, poverty, housing and origin below come from the survey, averaged over 2020–2024, each with its margin of error.

Mendon town, in four figures

6,479
Population: July 1, 2025, Vintage 2025 estimate. The survey’s 2020–⁠2024 figure is 6,325 ±19.; +4.2%
Change since July 2020: +260 people.; 44.1 ±4.4
Median age: ACS 2020–⁠2024.; $132,256 ±$32,533
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.

Mendon town, Massachusetts's population grew 4.2% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Mendon 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).

U.S. Census Bureau — Census Bureau population estimates — incorporated places and New England towns

About this chart

The figures

Mendon town, Massachusetts's population grew 4.2% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Mendon 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	6,219	100.0	100.0
2021	6,272	100.9	100.2
2022	6,322	101.7	100.7
2023	6,376	102.5	101.6
2024	6,448	103.7	102.5
2025	6,479	104.2	103.1

Population of Mendon town, Massachusetts on July 1 of each year, Vintage 2025
July 1	Population	Change
2020	6,219	—
2021	6,272	+53
2022	6,322	+50
2023	6,376	+54
2024	6,448	+72
2025	6,479	+31

Age, 2020–2024

The median age is 44.1 ±4.4: for men 46.9 ±3.1 and for women 41.3 ±4.1. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Mendon town by age, ACS 2020–2024
Age	People	Share	Massachusetts	United States
Under 5	85 to 303	1.3% to 4.8%	5.0% ±<0.1	5.6% ±<0.1
5 to 17	1,250 ±378	19.8% ±6.0	14.4% ±0.1	16.3% ±<0.1
18 to 24	524 ±186	8.3% ±2.9	9.8% ±0.1	9.1% ±<0.1
25 to 44	1,282 ±284	20.3% ±4.5	27.1% ±0.1	26.9% ±<0.1
45 to 64	2,146 ±411	33.9% ±6.5	25.9% ±0.1	24.8% ±<0.1
65 and over	929 ±213	14.7% ±3.4	17.9% ±0.1	17.2% ±<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%.

Income and poverty, 2020–2024

Median household income is $132,256 ±$32,533, and income per person $51,493 ±$6,209, 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 Mendon town by income, ACS 2020–2024
Household income	Households	Share	Massachusetts	United States
Under $25,000	7 to 105	0.3% to 5.0%	13.2% ±0.2	14.6% ±<0.1
$25,000 to $49,999	46 to 252	2.2% to 11.9%	12.5% ±0.2	16.7% ±<0.1
$50,000 to $74,999	112 to 414	5.3% to 19.5%	12.0% ±0.2	15.5% ±<0.1
$75,000 to $99,999	40 to 412	1.9% to 19.4%	10.7% ±0.2	12.6% ±<0.1
$100,000 to $149,999	496 ±181	23.4% ±8.4	17.5% ±0.2	17.5% ±<0.1
$150,000 to $199,999	407 ±156	19.2% ±7.3	11.9% ±0.1	9.6% ±<0.1
$200,000 or more	521 ±167	24.6% ±7.8	22.3% ±0.2	13.4% ±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%.

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 Mendon town by age, ACS 2020–2024
Age	Below poverty	Rate	Massachusetts	United States
All ages	105 to 785	1.7% to 12.5%	10.0% ±0.1	12.5% ±0.1
Under 18	17 to 333	1.8% to 22.6%	11.7% ±0.3	16.1% ±0.1
18 to 59	95 to 441	2.9% to 13.1%	9.3% ±0.2	11.6% ±0.1
60 and over	0 to 21	0% to 1.4%	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 Mendon town, ACS 2020–2024
Measure	Mendon town	Massachusetts	United States
Housing units	2,240 ±160	3,030,406 ±453	143,775,355 ±10,234
Occupied	94.6% ±8.6	91.9% ±0.2	89.9% ±0.1
Vacant	0.2% to 10.7%	8.1% ±0.2	10.1% ±0.1
Owner occupied	86.9% ±7.8	62.5% ±0.3	65.2% ±0.3
Renter occupied	6.2% to 20.0%	37.5% ±0.2	34.8% ±0.1
Median home value	$616,000 ±$36,959	$562,100 ±$2,169	$332,700 ±$236
Median gross rent	$1,840 ±$196	$1,762 ±$9	$1,413 ±$2
Median year built	1985 ±4	1964 ±1	1980 ±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%.

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 Mendon town by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Massachusetts	United States
Hispanic or Latino	85 to 447	1.3% to 7.1%	13.3% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	5,817 ±258	92.0% ±4.1	66.6% ±0.1	57.4% ±<0.1
Black alone, not Hispanic	0 to 10	0% to 0.2%	6.4% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	0 to 19	0% to 0.3%	7.3% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	0 to 19	0% to 0.3%	0.1% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 27	0% to 0.4%	< 0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	0 to 8	0% to 0.1%	1.2% ±0.1	0.6% ±<0.1
Two or more races, not Hispanic	76 to 380	1.2% to 6.0%	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 Mendon town by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Massachusetts	United States
Born in the state	4,561 ±501	72.1% ±7.9	58.7% ±0.2	57.3% ±<0.1
Born in another state	1,214 ±389	19.2% ±6.1	20.3% ±0.2	26.9% ±<0.1
Born a citizen outside the states	0 to 171	0% to 2.7%	2.9% ±0.1	1.7% ±<0.1
Born abroad	169 to 801	2.7% to 12.7%	18.0% ±0.1	14.1% ±<0.1
Naturalized citizens	11 to 583	0.2% to 9.2%	9.7% ±0.1	7.4% ±<0.1
Not citizens	55 to 321	0.9% to 5.1%	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%.

Mendon town among the places and towns of Massachusetts

249th 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 Mendon town in population, ACS 2020–2024
Place	ACS 2020–⁠2024
Walpole CDP	6,461 ±736
Ashburnham town	6,415 ±17
Orleans town	6,415 ±16
Northborough CDP	6,392 ±679
Ware CDP	6,369 ±677
Mendon town	6,325 ±19
Dalton town	6,256 ±30
Foxborough CDP	6,251 ±924
Rowley town	6,251 ±17
East Falmouth CDP	6,245 ±840
Sharon CDP	6,232 ±622

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

Data retrieved September 25, 2026