Ranking of Connecticut Counties By Percentage of Hispanic or Latino of All Races Population Aged 25 years and above with an Educational attainment of High School Graduate or Equivalent 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 High School Graduate or Equivalent was 31.75%. Among all Connecticut counties, New London County had the highest percentage of its Hispanic or Latino of All Races population (aged 25 years and above) with an educational attainment of High School Graduate or Equivalent (36.56%), followed by Windham County (36.52%), and New Haven County (35.03%).

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 High School Graduate or Equivalent in 2021
New London County
Windham County
New Haven County
Hartford County
Tolland County
Fairfield County
Middlesex County
Litchfield County
Ranking of Connecticut Counties By Percentage of Hispanic or Latino of All Races Population (Aged 25yrs+) with an Educational Attainment of High School Graduate or Equivalent in 2021
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Rank County Percentage of Population (Aged 25yrs+) (%)
1 New London County 36.56
2 Windham County 36.52
3 New Haven County 35.03
4 Hartford County 31.68
5 Tolland County 30.08
6 Fairfield County 29.05
7 Middlesex County 27.61
8 Litchfield County 23.70