State

Connecticut

Connecticut. Connecticut had 3,688,496 residents on July 1, 2025 by the Census Bureau's estimate, up 2.2% since 2020, slower than the United States (+3.1%). 357 places (30 incorporated, 142 towns and townships and 185 census-designated) in 9 planning regions; 4,843 square miles of land.

Residents, 2025 estimate

3,688,496

Census Bureau estimate (no margin published)
2020 Census count: 3,605,944

Median household income

$95,781

±$732 (90% margin)

Median home value

$366,900

±$1,621 (90% margin)

Median gross rent

$1,488

±$10 (90% margin)

How many people live in Connecticut?

The 2020 Census counted 3,605,944 residents in Connecticut. The Census Bureau estimates 3,688,496 for July 1, 2025, up 2.2% since 2020, slower than the United States (+3.1%). 62.1% of residents live in an incorporated place or a census-designated place (a city, village, borough or CDP); the state is also divided into 142 towns and townships that are local governments, and many of those places lie inside one.

July 2020→2021 +28,122 (3,607,765)
2021→2022 +10,942 (3,618,707)
2022→2023 +22,662 (3,641,369)
2023→2024 +33,080 (3,674,449)
2024→2025 +14,047 (3,688,496)

Connecticut is the 29th-most populous of the 50 states by the July 2025 estimates (every state ranked).

Counts, ACS 2020-2024 5-year estimates, with the change from 2015-2019
Measure	Connecticut	Change since 2015-2019
Total population	3,624,508	+49,434
Households	1,434,007 ±3,233	+63,261
Average household size	2.46 ±0.01	−0.07
Housing units	1,541,822 ±276	+25,193

Connecticut's population since 2000

From 3,405,565 in 2000 to 3,688,496 in 2025: up 8.3%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.

2000 Census 3,405,565
2005 (estimate) 3,506,956
2010 Census 3,574,097
2015 (estimate) 3,588,561
2020 Census 3,605,944
2025 (estimate) 3,688,496

Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025; 2020 Census · Check it at data.census.gov

What are the largest cities in Connecticut?

Bridgeport is Connecticut's largest place with 152,273 residents in 2025, followed by Stamford (139,535 residents in 2025) and New Haven (138,774 residents in 2025).

The 25 largest places in Connecticut: Census estimate for 2025 (incorporated places) or ACS 2020-2024 (census-designated places)
Place	Residents	Change since 2020	Median household income	County
Bridgeport	152,273	+2.5%	$58,685	Greater Bridgeport Planning Region
Stamford	139,535	+3.0%	$111,586	Western Connecticut Planning Region
New Haven	138,774	+3.6%	$56,851	South Central Connecticut Planning Region
Hartford	121,981	+0.3%	$46,411	Capitol Planning Region
Waterbury	115,771	+1.2%	$51,886	Naugatuck Valley Planning Region
Norwalk	94,508	+3.6%	$107,616	Western Connecticut Planning Region
Danbury	89,033	+2.5%	$83,393	Western Connecticut Planning Region
New Britain	76,286	+2.9%	$58,613	Capitol Planning Region
Fairfield	66,262	+7.7%	$172,432	Greater Bridgeport Planning Region
Greenwich	64,801	+2.0%	$206,130	Western Connecticut Planning Region
West Hartford	63,620	CDP: no estimate	$129,890	Capitol Planning Region
Bristol	62,341	+2.4%	$79,076	Naugatuck Valley Planning Region
Hamden	61,824	+0.9%	$98,306	South Central Connecticut Planning Region
Meriden	60,810	−0.0%	$71,253	South Central Connecticut Planning Region
Manchester	59,773	+0.1%	$86,840	Capitol Planning Region
West Haven	55,351	−0.4%	$74,382	South Central Connecticut Planning Region
Stratford	53,908	+2.9%	$95,815	Greater Bridgeport Planning Region
Milford	53,606	+3.1%	$110,669	South Central Connecticut Planning Region
Milford city	51,215	+1.3%	$111,201	South Central Connecticut Planning Region
East Hartford	50,918	CDP: no estimate	$70,778	Capitol Planning Region
Middletown	48,439	+1.5%	$79,438	Lower Connecticut River Valley Planning Region
Wallingford	44,406	−0.6%	$104,773	South Central Connecticut Planning Region
Southington	44,242	+1.7%	$124,309	Capitol Planning Region
Shelton	42,880	+5.0%	$108,185	Naugatuck Valley Planning Region
Enfield	41,142	−2.3%	$90,404	Capitol Planning Region

All 357 places in Connecticut, sortable

Source: PEP Vintage 2025 (SUB-EST2025); American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Census population estimates

What planning regions are in Connecticut?

Connecticut has 9 planning regions. Capitol Planning Region is the largest with 994,115 residents in 2025; Northeastern Connecticut Planning Region is the smallest with 98,096.

All 9 planning regions of Connecticut

Source: PEP Vintage 2025 (CO-EST2025), U.S. Census Bureau · Census population estimates

Who lives in Connecticut?

The median resident of Connecticut is 41.1 years old; 20.2% are under 18 and 18.5% are 65 or older. The largest group is non-Hispanic white residents at 61.9%, then Hispanic or Latino residents (of any race) at 18.3%. 15.7% of residents were born outside the United States.

ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
Measure	Connecticut	Change since 2015-2019
Median age	41.1 ±0.2	no clear change
Under 18 years	20.2% ±0.1 pts	–
65 years and over	18.5% ±0.1 pts	–
Hispanic or Latino (any race)	18.3%	+2.2 pts
White alone, not Hispanic	61.9% ±0.1 pts	−5.0 pts
Black or African American alone, not Hispanic	9.8% ±0.1 pts	no clear change
Asian alone, not Hispanic	4.7% ±0.1 pts	+0.2 pts
American Indian and Alaska Native alone, not Hispanic	0.1% ±0.1 pts	–
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0.0% ±0.1 pts	–
Two or more races, not Hispanic	4.3% ±0.1 pts	–
Some other race alone, not Hispanic	0.9% ±0.1 pts	–
Born outside the United States	15.7% ±0.2 pts	+1.1 pts
Speak a language other than English at home (age 5+)	23.4% ±0.2 pts	–
Civilian veterans (age 18+)	4.7% ±0.1 pts	–
With a disability	12.2% ±0.2 pts	–
No health insurance coverage	5.4% ±0.2 pts	no clear change
High school graduate or higher (age 25+)	91.5% ±0.2 pts	–
Bachelor's degree or higher (age 25+)	42.5% ±0.3 pts	+3.2 pts
Graduate or professional degree (age 25+)	19.2% ±0.2 pts	–
Moved from another state in the past year	2.6% ±0.1 pts	–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (DP02, DP05) · Check it at data.census.gov

What do households in Connecticut earn?

Half of Connecticut's 1,434,007 households earn less than $95,781 a year (±$732). In 2015-2019 it was $96,541 in 2024 dollars; the margins of error cannot tell the two periods apart. 10.0% of residents live below the poverty line.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates
Measure	Connecticut	Change since 2015-2019
Median household income	$95,781 ±$732	no clear change
Mean household income	$138,744 ±$1,031	–
Per capita income	$55,915 ±$406	+$1,154
People below the poverty line	10.0% ±0.2 pts	no clear change
Children under 18 below the poverty line	13.0% ±0.5 pts	no clear change
Households receiving SNAP	11.8% ±0.2 pts	–
Households with a broadband subscription	92.2% ±0.2 pts	–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (DP03) · Check it at data.census.gov

What does housing cost in Connecticut?

Owners occupy 66.5% of Connecticut's occupied homes and renters 33.5%. The median owner-occupied home is valued at $366,900 by its owner (±$1,621). The median renter pays $1,488 a month including utilities, and 43.5% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates
Measure	Connecticut	Change since 2015-2019
Median home value (owner-occupied)	$366,900 ±$1,621	+$27,967
Median gross rent	$1,488 ±$10	+$36
Renters paying 35% or more of income on rent	43.5% ±0.8 pts	+1.0 pts
Median monthly owner costs, with a mortgage	$2,429 ±$11	–
Owner-occupied homes	66.5% ±0.3 pts	no clear change
Housing units	1,541,822 ±276	+25,193
Homeowner vacancy rate	0.8% ±0.1 pts	–
Rental vacancy rate	4.3% ±0.3 pts	–
Single-family detached homes	58.6% ±0.3 pts	–
Mobile homes	0.7% ±0.1 pts	–
Built 2020 or later	0.7% ±0.1 pts	–
Built 1939 or earlier	20.2% ±0.3 pts	–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (DP04) · Check it at data.census.gov

How many new homes is Connecticut building?

Builders took permits for 7,273 new housing units in Connecticut in 2025 (2,080 single-family), 2.0 per 1,000 residents.

2019 5,854 units
2020 5,471 units
2021 4,651 units
2022 5,926 units
2023 6,272 units
2024 5,926 units
2025 7,273 units

Source: Building Permits Survey, annual county files summed by state, U.S. Census Bureau · Census Building Permits Survey

How do people in Connecticut get to work?

68.8% of Connecticut's workers drive alone and 16.0% work from home. The average trip to work takes 26.5 minutes. The unemployment rate in 2020-2024 averaged 5.6%.

Work and commuting, ACS 2020-2024 5-year estimates
Measure	Connecticut	Change since 2015-2019
In the labor force (age 16+)	65.9% ±0.2 pts	–
Unemployment rate	5.6% ±0.2 pts	−0.4 pts
Drove alone to work	68.8% ±0.3 pts	–
Carpooled	7.9% ±0.2 pts	–
Public transportation	3.3% ±0.1 pts	–
Walked	2.5% ±0.1 pts	–
Worked from home	16.0% ±0.2 pts	+10.7 pts
Mean travel time to work	26.5 min ±0.1	no clear change

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (DP03) · Check it at data.census.gov

How these figures are made: methodology and release checks · reading a margin of error · every state · corrections