Demographics of Lancaster town, Massachusetts

Lancaster town, Massachusetts had 9,161 people on July 1, 2025, by the Census Bureau’s estimate: +714 since July 2020. Age, income, poverty, housing and origin below come from the survey, averaged over 2020–2024, each with its margin of error.

Lancaster town, in four figures

9,161
Population: July 1, 2025, Vintage 2025 estimate. The survey’s 2020–⁠2024 figure is 8,606 ±19.; +8.5%
Change since July 2020: +714 people.; 43.1 ±4.9
Median age: ACS 2020–⁠2024.; $134,833 ±$27,224
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.

Lancaster town, Massachusetts's population grew 8.5% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Lancaster 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

Lancaster town, Massachusetts's population grew 8.5% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Lancaster 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	8,447	100.0	100.0
2021	8,336	98.7	100.2
2022	8,459	100.1	100.7
2023	8,880	105.1	101.6
2024	9,026	106.9	102.5
2025	9,161	108.5	103.1

Population of Lancaster town, Massachusetts on July 1 of each year, Vintage 2025
July 1	Population	Change
2020	8,447	—
2021	8,336	−111
2022	8,459	+123
2023	8,880	+421
2024	9,026	+146
2025	9,161	+135

Age, 2020–2024

The median age is 43.1 ±4.9: for men 39.2 ±4.9 and for women 44.9 ±6.0. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Lancaster town by age, ACS 2020–2024
Age	People	Share	Massachusetts	United States
Under 5	292 ±113	3.4% ±1.3	5.0% ±<0.1	5.6% ±<0.1
5 to 17	1,358 ±323	15.8% ±3.8	14.4% ±0.1	16.3% ±<0.1
18 to 24	651 ±253	7.6% ±2.9	9.8% ±0.1	9.1% ±<0.1
25 to 44	2,330 ±341	27.1% ±4.0	27.1% ±0.1	26.9% ±<0.1
45 to 64	2,260 ±443	26.3% ±5.1	25.9% ±0.1	24.8% ±<0.1
65 and over	1,715 ±358	19.9% ±4.2	17.9% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $134,833 ±$27,224, and income per person $51,052 ±$6,352, 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 Lancaster town by income, ACS 2020–2024
Household income	Households	Share	Massachusetts	United States
Under $25,000	41 to 217	1.4% to 7.3%	13.2% ±0.2	14.6% ±<0.1
$25,000 to $49,999	45 to 361	1.6% to 12.2%	12.5% ±0.2	16.7% ±<0.1
$50,000 to $74,999	501 ±216	16.9% ±7.2	12.0% ±0.2	15.5% ±<0.1
$75,000 to $99,999	82 to 424	2.8% to 14.3%	10.7% ±0.2	12.6% ±<0.1
$100,000 to $149,999	507 ±169	17.1% ±5.5	17.5% ±0.2	17.5% ±<0.1
$150,000 to $199,999	729 ±278	24.6% ±9.2	11.9% ±0.1	9.6% ±<0.1
$200,000 or more	638 ±189	21.6% ±6.1	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 Lancaster town by age, ACS 2020–2024
Age	Below poverty	Rate	Massachusetts	United States
All ages	12 to 194	0.2% to 2.6%	10.0% ±0.1	12.5% ±0.1
Under 18	0 to 33	0% to 2.2%	11.7% ±0.3	16.1% ±0.1
18 to 59	0 to 110	0% to 2.8%	9.3% ±0.2	11.6% ±0.1
60 and over	0 to 106	< 0.1% to 4.9%	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 Lancaster town, ACS 2020–2024
Measure	Lancaster town	Massachusetts	United States
Housing units	3,025 ±246	3,030,406 ±453	143,775,355 ±10,234
Occupied	97.9% ±11.2	91.9% ±0.2	89.9% ±0.1
Vacant	0% to 5.0%	8.1% ±0.2	10.1% ±0.1
Owner occupied	85.1% ±8.2	62.5% ±0.3	65.2% ±0.3
Renter occupied	14.9% ±5.1	37.5% ±0.2	34.8% ±0.1
Median home value	$519,100 ±$60,133	$562,100 ±$2,169	$332,700 ±$236
Median gross rent	$2,338 ±$539	$1,762 ±$9	$1,413 ±$2
Median year built	1971 ±13	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 Lancaster town by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Massachusetts	United States
Hispanic or Latino	1,005 ±416	11.7% ±4.8	13.3% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	6,815 ±452	79.2% ±5.2	66.6% ±0.1	57.4% ±<0.1
Black alone, not Hispanic	453 ±141	5.3% ±1.6	6.4% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	0 to 162	0% to 1.9%	7.3% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	0 to 19	0% to 0.2%	0.1% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 19	0% to 0.2%	< 0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	0 to 213	0% to 2.5%	1.2% ±0.1	0.6% ±<0.1
Two or more races, not Hispanic	35 to 317	0.4% to 3.7%	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 Lancaster town by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Massachusetts	United States
Born in the state	6,527 ±384	75.8% ±4.5	58.7% ±0.2	57.3% ±<0.1
Born in another state	1,288 ±309	15.0% ±3.6	20.3% ±0.2	26.9% ±<0.1
Born a citizen outside the states	50 to 432	0.6% to 5.0%	2.9% ±0.1	1.7% ±<0.1
Born abroad	550 ±245	6.4% ±2.8	18.0% ±0.1	14.1% ±<0.1
Naturalized citizens	325 ±153	3.8% ±1.8	9.7% ±0.1	7.4% ±<0.1
Not citizens	0 to 470	0% to 5.5%	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%.

Lancaster town among the places and towns of Massachusetts

205th 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 Lancaster town in population, ACS 2020–2024
Place	ACS 2020–⁠2024
Williamstown town	9,150 ±37
Townsend town	9,100 ±19
Millis town	8,888 ±24
Athol CDP	8,801 ±568
Ayer town	8,645 ±27
Lancaster town	8,606 ±19
Montague town	8,482 ±24
Georgetown town	8,474 ±29
Cohasset town	8,427 ±19
Westminster town	8,374 ±19
Templeton town	8,252 ±19

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