Connecticut Population 2024

This figure is based on the 2015 official estimates released by the US Census, and the current rate of decline.

The last confirmed population data for Connecticut was recorded during the 2010 Census, which revealed that the state had a total population of 3,574,097. The latest Census Bureau estimate took that number to 3,590,886, which makes Connecticut the 29th largest state in the United States.

Over the past couple of years, Connecticut has actually begun to see a decline in population numbers, currently losing .11% of its population per year. This makes the state one of just 7 that are seeing a decline beginning in 2016.

Connecticut Population Density and Area

The population density of Connecticut makes for some very interesting reading. Connecticut has a very small land mass -- just 5,543 square miles (14,357 square kilometers) making this only the 48th largest state in the Union by size.

However, Connecticut crams a significant number of citizens into its surface area. The terrain is very flat, and very few areas of the state are inhospitable. As a result, there are an impressive 738.1 people for every square mile (285 per square kilometer), and this ranks Connecticut at 4th place in terms of population density.

The largest city in Connecticut is Bridgeport, with a population of 143,628 people. The largest county in the state by population is Fairfield, with a population of 949,921. See below for interactive graphs and charts for more information on the projected growth in these areas.

Connecticut Gender and Religion Statistics

The median age in Connecticut is 40.6 years, and carries a small gender gap of 51.2% female and 48.8% male individuals in the total state population.

In terms of religious diversity the state shows a strong preference for Christianity, sitting at 70%, with 7% non-Christian affiliations, and the remaining 28% of the population reporting that they are without a particular faith.

Connecticut Boundary, Census, and Statehood History

Connecticut was one of the 13 original States created in the Union. Additionally, apart from claims to territory in the West, which were relinquished by 1800, its boundaries have remained substantially unchanged; small cessions to Massachusetts were made shortly after 1800. Census coverage included all of Connecticut from 1790 on.

According to 2004 data, over 11% of the state's population were foreign-born. Irish American, English American, and Italian American communities are quite large in the state of Connecticut. In fact, its population of Italian Americans is the second highest in the country. The state also has a large population of Hungarian Americans and Polish Americans.

Recent immigrants to the state have come over from Jamaica, Guatemala, Laos, Vietnam, Brazil, Panama and other countries around the world. While the state's highest demographic is non-Hispanic white, this number has declined significantly from the 98% recorded in 1940 as the state becomes more diverse.

Connecticut also has a high percentage of Hispanic and Latino residents, and it has the largest population of Puerto Ricans in the nation. Data from 2011 indicates that over 46% of Connecticut's population under the age of 1 were minorities. The urban areas of Connecticut are primarily where African American and Hispanic residents live.