Ranking of Connecticut Counties By Percentage of Hispanic or Latino of All 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 percentage of the Connecticut Hispanic or Latino of All Races population (aged 25 years and above) who had an educational attainment of Less than High School Diploma was 26.37%. Among all Connecticut counties, Fairfield County had the highest percentage of its Hispanic or Latino of All Races population (aged 25 years and above) with an educational attainment of Less than High School Diploma (28.71%), followed by Windham County (28.16%), and Hartford County (26.92%).

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 Percentage of Hispanic or Latino of All Races Population (Aged 25yrs+) with an Educational Attainment of Less than High School Diploma in 2021
Fairfield County
Windham County
Hartford County
New Haven County
New London County
Litchfield County
Tolland County
Middlesex County
Ranking of Connecticut Counties By Percentage of Hispanic or Latino of All Races Population (Aged 25yrs+) with an Educational Attainment of Less than High School Diploma in 2021
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Rank County Percentage of Population (Aged 25yrs+) (%)
1 Fairfield County 28.71
2 Windham County 28.16
3 Hartford County 26.92
4 New Haven County 25.53
5 New London County 20.98
6 Litchfield County 18.74
7 Tolland County 16.30
8 Middlesex County 15.15