Ranking of California Congressional Districts 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)

Updated on September 5, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, the percentage of the California White Alone population (aged 25 years and above) who had an educational attainment of Less than High School Diploma was 11.36%. Among all California congressional districts, CA Congressional District 40 had the highest percentage of its White Alone population (aged 25 years and above) with an educational attainment of Less than High School Diploma (41.03%), followed by CA Congressional District 44 (36.78%), and CA Congressional District 21 (34.42%).

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, and for other races and ethnicities.

You can also see similar information for other states and for the United States.

Ranking of California Congressional Districts By Percentage of White Alone Population (Aged 25yrs+) with an Educational Attainment of Less than High School Diploma in 2021
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Ranking of California Congressional Districts By Percentage of White Alone Population (Aged 25yrs+) with an Educational Attainment of Less than High School Diploma in 2021
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Rank Congressional District Percentage of Population (Aged 25yrs+) (%)
1 CA Congressional District 40 41.03
2 CA Congressional District 44 36.78
3 CA Congressional District 21 34.42
4 CA Congressional District 51 25.56
5 CA Congressional District 34 24.23
6 CA Congressional District 16 24.20
7 CA Congressional District 29 24.11
8 CA Congressional District 46 23.55
9 CA Congressional District 35 22.75
10 CA Congressional District 43 21.92
11 CA Congressional District 32 18.24
12 CA Congressional District 41 16.52
13 CA Congressional District 31 15.94
14 CA Congressional District 38 15.41
15 CA Congressional District 10 15.36
16 CA Congressional District 23 14.54
17 CA Congressional District 37 14.51
18 CA Congressional District 8 14.46
19 CA Congressional District 9 13.90
20 CA Congressional District 22 13.13
21 CA Congressional District 47 13.03
22 CA Congressional District 26 12.91
23 CA Congressional District 36 12.12
24 CA Congressional District 3 11.58
25 CA Congressional District 25 11.11
26 CA Congressional District 20 11.04
27 CA Congressional District 19 10.99
28 CA Congressional District 24 10.27
29 CA Congressional District 6 9.98
30 CA Congressional District 50 9.17
31 CA Congressional District 39 8.55
32 CA Congressional District 42 8.46
33 CA Congressional District 28 8.04
34 CA Congressional District 1 7.67
35 CA Congressional District 53 7.49
36 CA Congressional District 5 7.44
37 CA Congressional District 30 6.72
38 CA Congressional District 15 6.57
39 CA Congressional District 27 6.46
40 CA Congressional District 49 6.33
41 CA Congressional District 14 6.16
42 CA Congressional District 11 6.00
43 CA Congressional District 2 5.80
44 CA Congressional District 7 5.76
45 CA Congressional District 17 5.63
46 CA Congressional District 4 4.85
47 CA Congressional District 13 4.73
48 CA Congressional District 48 4.58
49 CA Congressional District 45 4.13
50 CA Congressional District 18 3.61
51 CA Congressional District 33 2.92
52 CA Congressional District 52 2.91
53 CA Congressional District 12 2.56