Demographics of Chatham town, Massachusetts

Chatham town, Massachusetts had 6,752 people on July 1, 2025, by the Census Bureau’s estimate: +155 since July 2020. Age, income, poverty, housing and origin below come from the survey, averaged over 2020–2024, each with its margin of error.

Chatham town, in four figures

6,752
Population: July 1, 2025, Vintage 2025 estimate. The survey’s 2020–⁠2024 figure is 6,681 ±19.; +2.3%
Change since July 2020: +155 people.; 63.4 ±2.8
Median age: ACS 2020–⁠2024.; $85,167 ±$8,892
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.

Chatham town, Massachusetts's population grew 2.3% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Chatham 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

Chatham town, Massachusetts's population grew 2.3% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Chatham 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	6,597	100.0	100.0
2021	6,699	101.5	100.2
2022	6,732	102.0	100.7
2023	6,738	102.1	101.6
2024	6,749	102.3	102.5
2025	6,752	102.3	103.1

Population of Chatham town, Massachusetts on July 1 of each year, Vintage 2025
July 1	Population	Change
2020	6,597	—
2021	6,699	+102
2022	6,732	+33
2023	6,738	+6
2024	6,749	+11
2025	6,752	+3

Age, 2020–2024

The median age is 63.4 ±2.8: for men 62.5 ±4.1 and for women 64.1 ±3.0. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Chatham town by age, ACS 2020–2024
Age	People	Share	Massachusetts	United States
Under 5	87 to 311	1.3% to 4.6%	5.0% ±<0.1	5.6% ±<0.1
5 to 17	393 ±154	5.9% ±2.3	14.4% ±0.1	16.3% ±<0.1
18 to 24	500 ±194	7.5% ±2.9	9.8% ±0.1	9.1% ±<0.1
25 to 44	851 ±215	12.7% ±3.2	27.1% ±0.1	26.9% ±<0.1
45 to 64	1,700 ±269	25.4% ±4.0	25.9% ±0.1	24.8% ±<0.1
65 and over	3,038 ±360	45.5% ±5.4	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 $85,167 ±$8,892, and income per person $89,747 ±$15,334, 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 Chatham town by income, ACS 2020–2024
Household income	Households	Share	Massachusetts	United States
Under $25,000	513 ±156	15.4% ±4.6	13.2% ±0.2	14.6% ±<0.1
$25,000 to $49,999	270 ±97	8.1% ±2.9	12.5% ±0.2	16.7% ±<0.1
$50,000 to $74,999	620 ±177	18.6% ±5.2	12.0% ±0.2	15.5% ±<0.1
$75,000 to $99,999	435 ±169	13.0% ±5.0	10.7% ±0.2	12.6% ±<0.1
$100,000 to $149,999	410 ±142	12.3% ±4.2	17.5% ±0.2	17.5% ±<0.1
$150,000 to $199,999	289 ±92	8.7% ±2.7	11.9% ±0.1	9.6% ±<0.1
$200,000 or more	803 ±173	24.0% ±5.0	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 Chatham town by age, ACS 2020–2024
Age	Below poverty	Rate	Massachusetts	United States
All ages	700 ±263	10.8% ±4.1	10.0% ±0.1	12.5% ±0.1
Under 18	0 to 155	0% to 27.4%	11.7% ±0.3	16.1% ±0.1
18 to 59	113 to 457	4.9% to 18.5%	9.3% ±0.2	11.6% ±0.1
60 and over	341 ±157	9.7% ±4.3	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 Chatham town, ACS 2020–2024
Measure	Chatham town	Massachusetts	United States
Housing units	7,377 ±251	3,030,406 ±453	143,775,355 ±10,234
Occupied	45.3% ±1.5	91.9% ±0.2	89.9% ±0.1
Vacant	54.7% ±2.7	8.1% ±0.2	10.1% ±0.1
Owner occupied	85.4% ±4.0	62.5% ±0.3	65.2% ±0.3
Renter occupied	14.6% ±4.1	37.5% ±0.2	34.8% ±0.1
Median home value	$942,800 ±$77,505	$562,100 ±$2,169	$332,700 ±$236
Median gross rent	$1,485 ±$209	$1,762 ±$9	$1,413 ±$2
Median year built	1974 ±3	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 Chatham town by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Massachusetts	United States
Hispanic or Latino	3 to 123	< 0.1% to 1.8%	13.3% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	5,981 ±378	89.5% ±5.7	66.6% ±0.1	57.4% ±<0.1
Black alone, not Hispanic	0 to 494	0% to 7.4%	6.4% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	0 to 284	0% to 4.3%	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 19	0% to 0.3%	< 0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	0 to 19	0% to 0.3%	1.2% ±0.1	0.6% ±<0.1
Two or more races, not Hispanic	123 to 439	1.8% to 6.6%	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 Chatham town by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Massachusetts	United States
Born in the state	3,329 ±349	49.8% ±5.2	58.7% ±0.2	57.3% ±<0.1
Born in another state	2,875 ±356	43.0% ±5.3	20.3% ±0.2	26.9% ±<0.1
Born a citizen outside the states	0 to 62	0% to 0.9%	2.9% ±0.1	1.7% ±<0.1
Born abroad	184 to 716	2.8% to 10.7%	18.0% ±0.1	14.1% ±<0.1
Naturalized citizens	94 to 314	1.4% to 4.7%	9.7% ±0.1	7.4% ±<0.1
Not citizens	35 to 457	0.5% to 6.8%	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%.

Chatham town among the places and towns of Massachusetts

239th 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 Chatham town in population, ACS 2020–2024
Place	ACS 2020–⁠2024
Pinehurst CDP	6,845 ±604
Berkley town	6,829 ±18
Groveland town	6,777 ±17
Newbury town	6,777 ±23
Merrimac town	6,748 ±17
Chatham town	6,681 ±19
Mattapoisett town	6,634 ±22
Topsfield town	6,564 ±18
North Scituate CDP	6,492 ±698
Cochituate CDP	6,471 ±522
Walpole CDP	6,461 ±736

Rankings this appears in

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