Mind-boggled by Connecticut Demographics?

Get the Connecticut demographic data that you need. You can get the most current Connecticut data from the US Census Bureau without spending 8 to 10 high-value hours searching the internet.

The Connecticut population is 3,605,597 people according to the US Census Bureau's 2021 Population Estimates Program.
The Connecticut median household income in the past 12 months is $79,855 in 2020 inflation-adjusted dollars according to the US Census Bureau's 2020 American Community Survey.
Connecticut has 1,521,199 housing units according to the US Census Bureau's 2020 American Community Survey.

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Most Popular data — like population, income & age
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How Current are the Data?

The Connecticut demographics on this site are the most current data available from the US Census Bureau.

Currently, most data points are from 2020 datasets – specifically the 2020 American Community Survey (ACS) 5-year dataset. We use the Census’ ACS 5-year dataset for 3 reasons.

It’s updated every year.
It typically has the smallest margins of error of the Census’ ACS datasets.
It allows for apples to apples comparisons of large geographies to small geographies (i.e. state data to city data).

We’re constantly updating the demographic reports and this site with the most current data throughout the year.

Got questions about these Connecticut demographics? Call us at 1-800-939-2130.

Connecticut Counties by Population

1	Fairfield County	959,768
2	Hartford County	896,854
3	New Haven County	863,700
4	New London County	268,805
5	Litchfield County	185,000
6	Middlesex County	164,759
7	Tolland County	150,293
8	Windham County	116,418

See all Connecticut Counties by Population

Connecticut Cities by Population

1	Bridgeport	148,333
2	Stamford	136,309
3	New Haven	135,081
4	Hartford	120,576
5	Waterbury	113,811
6	Norwalk	91,194
7	Danbury	86,759
8	New Britain	73,841
9	West Hartford	63,973
10	Greenwich	63,514