Ranking of Connecticut Counties By Black or African American Alone Population from Census 2020

Updated on February 22, 2026.

According to the data from the United States 2020 decennial Census for Connecticut counties, in April 2020, Hartford County had the highest number of people who identified their race as Black or African American Alone (127.19K), followed by New Haven County (118.93K), and Fairfield County (106.76K).

The chart below shows the top 8 counties, and the table below shows the ranking of all Connecticut counties based on Black or African American Alone population.

You can see similar ranking information for other states. You can also see similar rankings of counties for other racial groups as well as for the different ethnicities in Connecticut.

Ranking of Connecticut Counties By Black or African American Alone Population from Census 2020
Hartford
New Haven
Fairfield
New London
Middlesex
Tolland
Litchfield
Windham
Ranking of Connecticut Counties By Black or African American Alone Population from Census 2020
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Rank County Black Alone Population
1 Hartford County 127194
2 New Haven County 118933
3 Fairfield County 106756
4 New London County 16026
5 Middlesex County 8565
6 Tolland County 5450
7 Litchfield County 3348
8 Windham County 2403