Ranking of Connecticut Counties By Percentage of Some Other Race Alone 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 Some Other Race Alone population (aged 25 years and above) who had an educational attainment of High School Graduate or Equivalent was 33.87%. Among all Connecticut counties, New London County had the highest percentage of its Some Other Race Alone population (aged 25 years and above) with an educational attainment of High School Graduate or Equivalent (42.02%), followed by New Haven County (37.15%), and Middlesex County (35.22%).

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 Some Other Race Alone Population (Aged 25yrs+) with an Educational Attainment of High School Graduate or Equivalent in 2021
New London County
New Haven County
Middlesex County
Hartford County
Windham County
Fairfield County
Tolland County
Litchfield County
Ranking of Connecticut Counties By Percentage of Some Other Race Alone Population (Aged 25yrs+) with an Educational Attainment of High School Graduate or Equivalent in 2021
Items per page:
0 of 0
Rank County Percentage of Population (Aged 25yrs+) (%)
1 New London County 42.02
2 New Haven County 37.15
3 Middlesex County 35.22
4 Hartford County 34.60
5 Windham County 32.05
6 Fairfield County 30.54
7 Tolland County 28.54
8 Litchfield County 22.26