Ranking of Connecticut Counties By Percentage of White Alone Population Aged 25 years and above with an Educational attainment of Less than High School Diploma in 2021 (ACS-5Yrs)
Based on the US Census ACS-5Yrs estimates, in 2021, the percentage of the Connecticut White Alone population (aged 25 years and above) who had an educational attainment of Less than High School Diploma was 6.48%. Among all Connecticut counties, Windham County had the highest percentage of its White Alone population (aged 25 years and above) with an educational attainment of Less than High School Diploma (9.12%), followed by New Haven County (7.34%), and Hartford County (7.08%).
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.
| Rank | County | Percentage of Population (Aged 25yrs+) (%) |
|---|---|---|
| 1 | Windham County | 9.12 |
| 2 | New Haven County | 7.34 |
| 3 | Hartford County | 7.08 |
| 4 | Fairfield County | 6.12 |
| 5 | Litchfield County | 5.69 |
| 6 | New London County | 5.51 |
| 7 | Tolland County | 4.34 |
| 8 | Middlesex County | 4.18 |