Ranking of Connecticut Counties By Two Or More Races Population Aged 25 years and above with an Educational attainment of Less than High School Diploma in 2021 (ACS-5Yrs)

Updated on September 5, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, the Connecticut Two Or More Races population (aged 25 years and above) who had an educational attainment of Less than High School Diploma was 16,691. Among all Connecticut counties, Hartford County had the highest Two Or More Races population (aged 25 years and above) with an educational attainment of Less than High School Diploma (5,324), followed by Fairfield County (4,821), and New Haven County (3,934).

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

You can see similar information for other educational attainments, and for other races and ethnicities.

You can also see similar information for other states and for the United States.

Ranking of Connecticut Counties By Two Or More Races Population (Aged 25yrs+) with an Educational Attainment of Less than High School Diploma in 2021
Hartford County
Fairfield County
New Haven County
New London County
Windham County
Middlesex County
Litchfield County
Tolland County
Ranking of Connecticut Counties By Two Or More Races Population (Aged 25yrs+) with an Educational Attainment of Less than High School Diploma in 2021
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Rank County Number of People
1 Hartford County 5324
2 Fairfield County 4821
3 New Haven County 3934
4 New London County 992
5 Windham County 575
6 Middlesex County 484
7 Litchfield County 412
8 Tolland County 149