Ranking of Connecticut Cities and Places By Percentage of Non-Hispanic White Alone 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 Non-Hispanic White Alone population (aged 25 years and above) who had an educational attainment of Less than High School Diploma was 5.00%. Among all Connecticut cities and places with a population of 10K or higher, Hartford city had the highest percentage of its Non-Hispanic White Alone population (aged 25 years and above) with an educational attainment of Less than High School Diploma (16.82%), followed by Waterbury city (13.33%), and Bridgeport city (12.19%).

The chart below shows the top 10 Connecticut cities and places (with a population of 10K+), and the table below shows the ranking of all Connecticut cities and places (with a population of 10K+).

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 Cities and Places By Percentage of Non-Hispanic White Alone Population (Aged 25yrs+) with an Educational Attainment of Less than High School Diploma in 2021
Hartford city
Waterbury city
Bridgeport city
New Britain city
Willimantic CDP
West Haven city
Ansonia city
Torrington city
Naugatuck borough
New Haven city
Ranking of Connecticut Cities and Places By Percentage of Non-Hispanic White Alone Population (Aged 25yrs+) with an Educational Attainment of Less than High School Diploma in 2021
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Rank City of Place Percentage of Population (Aged 25yrs+) (%)
1 Hartford city 16.82
2 Waterbury city 13.33
3 Bridgeport city 12.19
4 New Britain city 10.94
5 Willimantic CDP 10.82
6 West Haven city 9.15
7 Ansonia city 8.35
8 Torrington city 8.24
9 Naugatuck borough 8.12
10 New Haven city 7.71
11 Bristol city 7.60
12 East Hartford CDP 7.58
13 Norwich city 7.53
14 Newington CDP 7.29
15 Danbury city 7.08
16 Meriden city 7.06
17 East Haven CDP 6.36
18 Derby city 6.34
19 Manchester CDP 5.90
20 Bethel CDP 4.94
21 New London city 4.70
22 Wallingford Center CDP 4.61
23 Windsor Locks CDP 4.52
24 Storrs CDP 4.51
25 North Haven CDP 4.33
26 Middletown city 4.32
27 Wethersfield CDP 4.21
28 Milford city (balance) 4.16
29 Norwalk city 4.13
30 Shelton city 3.68
31 Greenwich CDP 3.51
32 Stamford city 3.14
33 West Hartford CDP 2.14
34 Orange CDP 1.56
35 Trumbull Center CDP 1.50