Demographics of Haddam town, Connecticut

Haddam town, Connecticut had 8,947 people on July 1, 2025, by the Census Bureau’s estimate: +507 since July 2020. Age, income, poverty, housing and origin below come from the survey, averaged over 2020–2024, each with its margin of error.

Haddam town, in four figures

8,947
Population: July 1, 2025, Vintage 2025 estimate. The survey’s 2020–⁠2024 figure is 8,644 ±20.; +6.0%
Change since July 2020: +507 people.; 45.9 ±2.6
Median age: ACS 2020–⁠2024.; $114,426 ±$15,147
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.

Haddam town, Connecticut's population grew 6.0% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Haddam 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

Haddam town, Connecticut's population grew 6.0% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Haddam 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	8,440	100.0	100.0
2021	8,511	100.8	100.2
2022	8,679	102.8	100.7
2023	8,786	104.1	101.6
2024	8,788	104.1	102.5
2025	8,947	106.0	103.1

Population of Haddam town, Connecticut on July 1 of each year, Vintage 2025
July 1	Population	Change
2020	8,440	—
2021	8,511	+71
2022	8,679	+168
2023	8,786	+107
2024	8,788	+2
2025	8,947	+159

Age, 2020–2024

The median age is 45.9 ±2.6: for men 45.9 ±2.1 and for women 45.8 ±4.0. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Haddam town by age, ACS 2020–2024
Age	People	Share	Connecticut	United States
Under 5	231 ±101	2.7% ±1.2	5.0% ±<0.1	5.6% ±<0.1
5 to 17	1,612 ±282	18.6% ±3.3	15.2% ±0.1	16.3% ±<0.1
18 to 24	435 ±177	5.0% ±2.0	9.3% ±0.1	9.1% ±<0.1
25 to 44	1,962 ±336	22.7% ±3.9	25.3% ±0.1	26.9% ±<0.1
45 to 64	2,593 ±398	30.0% ±4.6	26.7% ±0.1	24.8% ±<0.1
65 and over	1,811 ±253	21.0% ±2.9	18.5% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $114,426 ±$15,147, and income per person $59,294 ±$5,660, 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 Haddam town by income, ACS 2020–2024
Household income	Households	Share	Connecticut	United States
Under $25,000	69 to 247	2.0% to 7.3%	12.9% ±0.3	14.6% ±<0.1
$25,000 to $49,999	280 ±113	8.3% ±3.3	13.7% ±0.3	16.7% ±<0.1
$50,000 to $74,999	311 ±126	9.2% ±3.7	13.3% ±0.3	15.5% ±<0.1
$75,000 to $99,999	662 ±216	19.5% ±6.3	11.9% ±0.3	12.6% ±<0.1
$100,000 to $149,999	862 ±238	25.4% ±6.9	17.7% ±0.3	17.5% ±<0.1
$150,000 to $199,999	519 ±150	15.3% ±4.3	11.3% ±0.2	9.6% ±<0.1
$200,000 or more	597 ±145	17.6% ±4.1	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 Haddam town by age, ACS 2020–2024
Age	Below poverty	Rate	Connecticut	United States
All ages	203 to 615	2.4% to 7.2%	10.0% ±0.2	12.5% ±0.1
Under 18	15 to 197	0.9% to 10.6%	13.0% ±0.5	16.1% ±0.1
18 to 59	96 to 336	2.3% to 7.8%	9.4% ±0.3	11.6% ±0.1
60 and over	34 to 140	1.5% to 5.8%	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 Haddam town, ACS 2020–2024
Measure	Haddam town	Connecticut	United States
Housing units	3,637 ±234	1,541,822 ±276	143,775,355 ±10,234
Occupied	93.2% ±8.3	93.0% ±0.2	89.9% ±0.1
Vacant	3.0% to 10.6%	7.0% ±0.2	10.1% ±0.1
Owner occupied	86.7% ±3.0	66.5% ±0.4	65.2% ±0.3
Renter occupied	13.3% ±4.3	33.5% ±0.3	34.8% ±0.1
Median home value	$379,700 ±$25,349	$366,900 ±$1,621	$332,700 ±$236
Median gross rent	$1,567 ±$258	$1,488 ±$10	$1,413 ±$2
Median year built	1971 ±3	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 Haddam town by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Connecticut	United States
Hispanic or Latino	213 to 737	2.5% to 8.5%	18.3% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	7,359 ±385	85.1% ±4.4	61.9% ±0.1	57.4% ±<0.1
Black alone, not Hispanic	0 to 55	0% to 0.6%	9.8% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	54 to 822	0.6% to 9.5%	4.7% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	0 to 24	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 0.2%	< 0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	0 to 80	0% to 0.9%	0.9% ±0.1	0.6% ±<0.1
Two or more races, not Hispanic	129 to 493	1.5% to 5.7%	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 Haddam town by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Connecticut	United States
Born in the state	6,325 ±369	73.2% ±4.3	53.3% ±0.3	57.3% ±<0.1
Born in another state	1,775 ±303	20.5% ±3.5	27.1% ±0.2	26.9% ±<0.1
Born a citizen outside the states	27 to 113	0.3% to 1.3%	3.9% ±0.1	1.7% ±<0.1
Born abroad	222 to 726	2.6% to 8.4%	15.7% ±0.2	14.1% ±<0.1
Naturalized citizens	145 to 631	1.7% to 7.3%	8.7% ±0.1	7.4% ±<0.1
Not citizens	29 to 143	0.3% to 1.7%	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%.

Haddam town among the places and towns of Connecticut

122nd 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 Haddam town in population, ACS 2020–2024
Place	ACS 2020–⁠2024
Woodbridge town	9,073 ±21
East Haddam town	8,969 ±19
Riverside CDP	8,954 ±670
Redding town	8,780 ±26
Long Hill CDP (Greater Bridgeport County)	8,681 ±1,169
Haddam town	8,644 ±20
Brooklyn town	8,517 ±54
Conning Towers-Nautilus Park CDP	8,460 ±724
Woodstock town	8,319 ±21
Litchfield town	8,260 ±48
New Milford CDP	8,188 ±1,057

Rankings this appears in

No. 10 Places in Connecticut by homeownership rate
No. 13 Places in Connecticut by median age
No. 17 Places in Connecticut by median rent
No. 28 Places in Connecticut by median household income
No. 34 Places in Connecticut by per capita income
No. 50 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