Ranking of Connecticut Congressional Districts By Population Aged 25 years and above with an Educational attainment of Less than High School Diploma in 2021 (ACS-5Yrs)
Updated on September 4, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, the population of Connecticut (aged 25 years and above) who had an educational attainment of Less than High School Diploma was 225,021. Among all Connecticut congressional districts, CT CD 5 had the highest population (aged 25 years and above) with an educational attainment of Less than High School Diploma (52,397), followed by CT CD 4 (48,690), and CT CD 1 (48,393).
The chart below shows the top 5 Connecticut congressional districts, and the table below shows the ranking of all Connecticut congressional districts.
You can see similar information for other educational attainments.
You can also see similar information for other states and for the United States.
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Related Topics: Connecticut ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census - ACS 5-Year Estimates.
Ranking of Connecticut Congressional Districts By Population (Aged 25yrs+) with an Educational Attainment of Less than High School Diploma in 2021
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| Rank | Congressional District | Number of People |
|---|---|---|
| 1 | CT Congressional District 5 | 52397 |
| 2 | CT Congressional District 4 | 48690 |
| 3 | CT Congressional District 1 | 48393 |
| 4 | CT Congressional District 3 | 42337 |
| 5 | CT Congressional District 2 | 33204 |