Demographics of Colchester town, Connecticut

Colchester town, Connecticut had 15,825 people on July 1, 2025, by the Census Bureau’s estimate: +305 since July 2020. Age, income, poverty, housing and origin below come from the survey, averaged over 2020–2024, each with its margin of error.

Colchester town, in four figures

15,825
Population: July 1, 2025, Vintage 2025 estimate. The survey’s 2020–⁠2024 figure is 15,648 ±29.; +2.0%
Change since July 2020: +305 people.; 43.5 ±3.8
Median age: ACS 2020–⁠2024.; $122,390 ±$14,194
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.

Colchester town, Connecticut's population grew 2.0% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Colchester 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

Colchester town, Connecticut's population grew 2.0% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Colchester 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	15,520	100.0	100.0
2021	15,677	101.0	100.2
2022	15,708	101.2	100.7
2023	15,737	101.4	101.6
2024	15,812	101.9	102.5
2025	15,825	102.0	103.1

Population of Colchester town, Connecticut on July 1 of each year, Vintage 2025
July 1	Population	Change
2020	15,520	—
2021	15,677	+157
2022	15,708	+31
2023	15,737	+29
2024	15,812	+75
2025	15,825	+13

Age, 2020–2024

The median age is 43.5 ±3.8: for men 41.9 ±2.6 and for women 47.0 ±5.8. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Colchester town by age, ACS 2020–2024
Age	People	Share	Connecticut	United States
Under 5	1,148 ±318	7.3% ±2.0	5.0% ±<0.1	5.6% ±<0.1
5 to 17	2,085 ±311	13.3% ±2.0	15.2% ±0.1	16.3% ±<0.1
18 to 24	808 ±239	5.2% ±1.5	9.3% ±0.1	9.1% ±<0.1
25 to 44	4,018 ±512	25.7% ±3.3	25.3% ±0.1	26.9% ±<0.1
45 to 64	4,413 ±523	28.2% ±3.3	26.7% ±0.1	24.8% ±<0.1
65 and over	3,176 ±377	20.3% ±2.4	18.5% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $122,390 ±$14,194, and income per person $60,108 ±$4,389, 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 Colchester town by income, ACS 2020–2024
Household income	Households	Share	Connecticut	United States
Under $25,000	514 ±189	8.0% ±2.9	12.9% ±0.3	14.6% ±<0.1
$25,000 to $49,999	682 ±214	10.7% ±3.3	13.7% ±0.3	16.7% ±<0.1
$50,000 to $74,999	494 ±149	7.7% ±2.3	13.3% ±0.3	15.5% ±<0.1
$75,000 to $99,999	811 ±265	12.7% ±4.1	11.9% ±0.3	12.6% ±<0.1
$100,000 to $149,999	1,266 ±247	19.8% ±3.7	17.7% ±0.3	17.5% ±<0.1
$150,000 to $199,999	1,125 ±224	17.6% ±3.4	11.3% ±0.2	9.6% ±<0.1
$200,000 or more	1,496 ±300	23.4% ±4.6	19.2% ±0.3	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 Colchester town by age, ACS 2020–2024
Age	Below poverty	Rate	Connecticut	United States
All ages	598 ±208	3.9% ±1.3	10.0% ±0.2	12.5% ±0.1
Under 18	0 to 93	0% to 2.9%	13.0% ±0.5	16.1% ±0.1
18 to 59	346 ±169	4.3% ±2.1	9.4% ±0.3	11.6% ±0.1
60 and over	87 to 333	2.1% to 7.7%	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 Colchester town, ACS 2020–2024
Measure	Colchester town	Connecticut	United States
Housing units	6,710 ±342	1,541,822 ±276	143,775,355 ±10,234
Occupied	95.2% ±6.7	93.0% ±0.2	89.9% ±0.1
Vacant	1.9% to 7.7%	7.0% ±0.2	10.1% ±0.1
Owner occupied	76.5% ±2.9	66.5% ±0.4	65.2% ±0.3
Renter occupied	23.5% ±4.4	33.5% ±0.3	34.8% ±0.1
Median home value	$366,800 ±$16,403	$366,900 ±$1,621	$332,700 ±$236
Median gross rent	$1,474 ±$153	$1,488 ±$10	$1,413 ±$2
Median year built	1984 ±2	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 Colchester town by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Connecticut	United States
Hispanic or Latino	689 ±299	4.4% ±1.9	18.3% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	13,898 ±456	88.8% ±2.9	61.9% ±0.1	57.4% ±<0.1
Black alone, not Hispanic	152 to 698	1.0% to 4.5%	9.8% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	23 to 317	0.1% to 2.0%	4.7% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	0 to 21	0% to 0.1%	0.1% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 21	0% to 0.1%	< 0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	3 to 71	< 0.1% to 0.5%	0.9% ±0.1	0.6% ±<0.1
Two or more races, not Hispanic	429 ±156	2.7% ±1.0	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 Colchester town by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Connecticut	United States
Born in the state	10,240 ±626	65.4% ±4.0	53.3% ±0.3	57.3% ±<0.1
Born in another state	4,263 ±501	27.2% ±3.2	27.1% ±0.2	26.9% ±<0.1
Born a citizen outside the states	68 to 288	0.4% to 1.8%	3.9% ±0.1	1.7% ±<0.1
Born abroad	967 ±318	6.2% ±2.0	15.7% ±0.2	14.1% ±<0.1
Naturalized citizens	703 ±287	4.5% ±1.8	8.7% ±0.1	7.4% ±<0.1
Not citizens	264 ±114	1.7% ±0.7	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%.

Colchester town among the places and towns of Connecticut

78th 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 Colchester town in population, ACS 2020–2024
Place	ACS 2020–⁠2024
Plainville town	17,551 ±27
Seymour town	16,889 ±24
Ellington town	16,455 ±26
Wolcott town	16,279 ±44
Suffield town	15,702 ±24
Colchester town	15,648 ±29
Ledyard town	15,433 ±38
Storrs CDP	15,207 ±648
Plainfield town	15,141 ±23
Greenwich CDP	14,792 ±1,194
Tolland town	14,606 ±31

Rankings this appears in

No. 16 Places in Connecticut by median age
No. 22 Places in Connecticut by median household income
No. 35 Places in Connecticut by per capita income
No. 38 Places in Connecticut by median rent
No. 47 Places in Connecticut by poverty rate
No. 61 Places in Connecticut by median home value

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