Ranking of California Congressional Districts By Percentage of Population Aged 25 years and above with an Educational attainment of High School Graduate or Equivalent in 2021 (ACS-5Yrs)

Updated on September 4, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, the percentage of the population of California (aged 25 years and above) who had an educational attainment of High School Graduate or Equivalent was 20.44%. Among all California congressional districts, CA CD 10 had the highest percentage of its population (aged 25 years and above) with an educational attainment of High School Graduate or Equivalent (29.48%), followed by CA CD 8 (29.37%), and CA CD 41 (29.00%).

The chart below shows the top 10 California congressional districts, and the table below shows the ranking of all California 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.

Ranking of California Congressional Districts By Percentage of Population (Aged 25yrs+) with an Educational Attainment of High School Graduate or Equivalent in 2021
CA CD 10
CA CD 8
CA CD 41
CA CD 21
CA CD 36
CA CD 9
CA CD 51
CA CD 35
CA CD 32
CA CD 31
Ranking of California Congressional Districts By Percentage of Population (Aged 25yrs+) with an Educational Attainment of High School Graduate or Equivalent in 2021
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Rank Congressional District Percentage of Population (Aged 25yrs+) (%)
1 CA Congressional District 10 29.48
2 CA Congressional District 8 29.37
3 CA Congressional District 41 29.00
4 CA Congressional District 21 28.39
5 CA Congressional District 36 28.10
6 CA Congressional District 9 27.50
7 CA Congressional District 51 27.14
8 CA Congressional District 35 26.77
9 CA Congressional District 32 26.26
10 CA Congressional District 31 26.10
11 CA Congressional District 23 26.02
12 CA Congressional District 38 26.01
13 CA Congressional District 44 25.88
14 CA Congressional District 40 25.46
15 CA Congressional District 16 25.18
16 CA Congressional District 1 24.79
17 CA Congressional District 42 24.77
18 CA Congressional District 3 24.10
19 CA Congressional District 46 23.99
20 CA Congressional District 25 23.75
21 CA Congressional District 29 23.66
22 CA Congressional District 6 22.73
23 CA Congressional District 22 22.31
23 CA Congressional District 50 22.31
24 CA Congressional District 43 21.77
25 CA Congressional District 4 20.55
26 CA Congressional District 7 20.29
27 CA Congressional District 5 20.19
28 CA Congressional District 20 19.83
28 CA Congressional District 34 19.83
29 CA Congressional District 26 19.38
30 CA Congressional District 19 18.77
31 CA Congressional District 47 18.46
32 CA Congressional District 24 18.20
33 CA Congressional District 39 17.96
34 CA Congressional District 2 17.81
35 CA Congressional District 15 17.74
36 CA Congressional District 27 17.62
37 CA Congressional District 53 17.57
38 CA Congressional District 37 16.86
39 CA Congressional District 11 16.66
40 CA Congressional District 28 16.65
41 CA Congressional District 30 16.20
42 CA Congressional District 48 15.72
43 CA Congressional District 14 15.28
44 CA Congressional District 49 15.05
45 CA Congressional District 13 14.55
46 CA Congressional District 17 12.67
47 CA Congressional District 45 12.05
48 CA Congressional District 12 10.99
49 CA Congressional District 52 10.55
50 CA Congressional District 18 10.13
51 CA Congressional District 33 9.23