Ranking of Connecticut Counties By Percentage of Population that are Non-Hispanic White in 2020

Updated on June 18, 2025.

Based on the US Census Vintage data estimates, in 2020, among all Connecticut counties, Northeastern Connecticut Planning Region had the highest percentage of its population who identified their ethnicity as Non-Hispanic White (89.04%), followed by Northwest Hills Planning Region (84.8%), and Lower Connecticut River Valley Planning Region (82.31%).

The chart below shows the top 9 counties, and the table below shows the ranking of all Connecticut counties.

You can see similar ranking information for other racial and ethnicity groups in the United States.

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

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Ranking of Connecticut Counties By Non-Hispanic White Population in 2020

Related Topics: Connecticut Census Vintage Data Topic List.

Data Source: US Census Bureau (Vintage).

See this for other years:

Ranking of Connecticut Counties By Percentage of Pop. that are Non-Hispanic White in 2020

Northeastern Connecticut Planning Region

Northwest Hills Planning Region

Lower Connecticut River Valley Planning Region

Southeastern Connecticut Planning Region

Naugatuck Valley Planning Region

Capitol Planning Region

Western Connecticut Planning Region

South Central Connecticut Planning Region

Greater Bridgeport Planning Region

Ranking of Connecticut Counties By Percentage of Pop. that are Non-Hispanic White in 2020

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Rank	County	% of County Population
1	Northeastern Connecticut Planning Region	89.04
2	Northwest Hills Planning Region	84.8
3	Lower Connecticut River Valley Planning Region	82.31
4	Southeastern Connecticut Planning Region	72.73
5	Naugatuck Valley Planning Region	63.55
6	Capitol Planning Region	62.78
7	Western Connecticut Planning Region	62.11
8	South Central Connecticut Planning Region	61.46
9	Greater Bridgeport Planning Region	56.36