Demographics of Thomaston town, Connecticut

Thomaston town, Connecticut had 7,572 people on July 1, 2025, by the Census Bureau’s estimate: +132 since July 2020. Age, income, poverty, housing and origin below come from the survey, averaged over 2020–2024, each with its margin of error.

Thomaston town, in four figures

7,572
Population: July 1, 2025, Vintage 2025 estimate. The survey’s 2020–⁠2024 figure is 7,492 ±27.; +1.8%
Change since July 2020: +132 people.; 41.5 ±7.7
Median age: ACS 2020–⁠2024.; $103,218 ±$15,497
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.

Thomaston town, Connecticut's population grew 1.8% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Thomaston town, Connecticut'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

Thomaston town, Connecticut's population grew 1.8% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Thomaston town, Connecticut'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	7,440	100.0	100.0
2021	7,469	100.4	100.2
2022	7,480	100.5	100.7
2023	7,526	101.2	101.6
2024	7,553	101.5	102.5
2025	7,572	101.8	103.1

Population of Thomaston town, Connecticut on July 1 of each year, Vintage 2025
July 1	Population	Change
2020	7,440	—
2021	7,469	+29
2022	7,480	+11
2023	7,526	+46
2024	7,553	+27
2025	7,572	+19

Age, 2020–2024

The median age is 41.5 ±7.7: for men 34.6 ±11.9 and for women 46.6 ±4.3. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Thomaston town by age, ACS 2020–2024
Age	People	Share	Connecticut	United States
Under 5	504 ±234	6.7% ±3.1	5.0% ±<0.1	5.6% ±<0.1
5 to 17	1,032 ±312	13.8% ±4.2	15.2% ±0.1	16.3% ±<0.1
18 to 24	551 ±186	7.4% ±2.5	9.3% ±0.1	9.1% ±<0.1
25 to 44	1,938 ±399	25.9% ±5.3	25.3% ±0.1	26.9% ±<0.1
45 to 64	2,071 ±376	27.6% ±5.0	26.7% ±0.1	24.8% ±<0.1
65 and over	1,396 ±273	18.6% ±3.6	18.5% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $103,218 ±$15,497, and income per person $56,568 ±$10,929, in 2024 dollars. The median is $95,781 ±$732 in Connecticut and $80,734 ±$166 in the United States.

Households by income

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Households in Thomaston town by income, ACS 2020–2024
Household income	Households	Share	Connecticut	United States
Under $25,000	226 ±102	7.3% ±3.2	12.9% ±0.3	14.6% ±<0.1
$25,000 to $49,999	225 to 695	7.4% to 22.3%	13.7% ±0.3	16.7% ±<0.1
$50,000 to $74,999	359 ±121	11.6% ±3.8	13.3% ±0.3	15.5% ±<0.1
$75,000 to $99,999	466 ±172	15.0% ±5.4	11.9% ±0.3	12.6% ±<0.1
$100,000 to $149,999	652 ±171	21.1% ±5.2	17.7% ±0.3	17.5% ±<0.1
$150,000 to $199,999	547 ±196	17.7% ±6.1	11.3% ±0.2	9.6% ±<0.1
$200,000 or more	195 to 579	12.5% ±6.1	19.2% ±0.3	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 Thomaston town by age, ACS 2020–2024
Age	Below poverty	Rate	Connecticut	United States
All ages	175 ±79	2.3% ±1.1	10.0% ±0.2	12.5% ±0.1
Under 18	0 to 33	0% to 2.2%	13.0% ±0.5	16.1% ±0.1
18 to 59	27 to 159	0.7% to 4.0%	9.4% ±0.3	11.6% ±0.1
60 and over	30 to 134	1.7% to 6.7%	8.9% ±0.3	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 Thomaston town, ACS 2020–2024
Measure	Thomaston town	Connecticut	United States
Housing units	3,349 ±291	1,541,822 ±276	143,775,355 ±10,234
Occupied	92.5% ±2.1	93.0% ±0.2	89.9% ±0.1
Vacant	2.5% to 12.6%	7.0% ±0.2	10.1% ±0.1
Owner occupied	77.7% ±3.5	66.5% ±0.4	65.2% ±0.3
Renter occupied	22.3% ±7.1	33.5% ±0.3	34.8% ±0.1
Median home value	$282,600 ±$23,378	$366,900 ±$1,621	$332,700 ±$236
Median gross rent	$1,037 ±$147	$1,488 ±$10	$1,413 ±$2
Median year built	1961 ±8	1967 ±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 Thomaston town by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Connecticut	United States
Hispanic or Latino	131 to 1,273	1.7% to 17.0%	18.3% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	5,620 ±651	75.0% ±8.7	61.9% ±0.1	57.4% ±<0.1
Black alone, not Hispanic	51 to 341	0.7% to 4.6%	9.8% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	19 to 581	0.3% to 7.8%	4.7% ±<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%	0.9% ±0.1	0.6% ±<0.1
Two or more races, not Hispanic	674 ±255	9.0% ±3.4	4.3% ±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 Thomaston town by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Connecticut	United States
Born in the state	5,531 ±414	73.8% ±5.5	53.3% ±0.3	57.3% ±<0.1
Born in another state	1,368 ±264	18.3% ±3.5	27.1% ±0.2	26.9% ±<0.1
Born a citizen outside the states	0 to 4	0% to 0.1%	3.9% ±0.1	1.7% ±<0.1
Born abroad	266 to 918	3.6% to 12.3%	15.7% ±0.2	14.1% ±<0.1
Naturalized citizens	219 to 865	2.9% to 11.5%	8.7% ±0.1	7.4% ±<0.1
Not citizens	0 to 104	0% to 1.4%	7.1% ±0.2	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%.

Thomaston town among the places and towns of Connecticut

134th of 168 places and towns of 5,000 or more by the survey’s 2020–2024 count. Every one is listed on the Connecticut page.

Places of Connecticut near Thomaston town in population, ACS 2020–2024
Place	ACS 2020–⁠2024
Thompsonville CDP	7,927 ±960
Middlebury town	7,807 ±43
Old Lyme town	7,679 ±18
Easton town	7,670 ±31
Cos Cob CDP	7,546 ±960
Thomaston town	7,492 ±27
Staples CDP	7,340 ±695
Glastonbury Center CDP	7,266 ±930
Durham town	7,208 ±31
Putnam CDP	7,120 ±317
Lebanon town	7,116 ±30

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