Ranking of Connecticut Counties By Population Density from Census 2020

According to the data from the US 2020 Census, as at April 2020, among all Connecticut counties, Fairfield County had the highest population density per square mile (1.53K people per sqr mile), followed by New Haven County (1.43K people per sqr mile), and Hartford County (1.22K people per sqr mile).

On the other hand, Litchfield County had the lowest population density (201.18 people per sqr mile), followed by Windham County (226.97 people per sqr mile), and Tolland County (365.02 people per sqr mile).

The chart below shows the top 8 counties with high population density, and the table below shows the ranking of all Connecticut counties.

You can also see similar ranking of counties information for other states as well as for all counties in the United States.