Ranking of California Congressional Districts By 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 population of California (aged 25 years and above) who had an educational attainment of High School Graduate or Equivalent was 5,477,154. Among all California congressional districts, CA CD 36 had the highest population (aged 25 years and above) with an educational attainment of High School Graduate or Equivalent (149,094), followed by CA CD 10 (143,902), and CA CD 9 (139,449).
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.
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Related Topics: California ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census - ACS 5-Year Estimates.
Ranking of California Congressional Districts By Population (Aged 25yrs+) with an Educational Attainment of High School Graduate or Equivalent in 2021
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| Rank | Congressional District | Number of People |
|---|---|---|
| 1 | CA Congressional District 36 | 149094 |
| 2 | CA Congressional District 10 | 143902 |
| 3 | CA Congressional District 9 | 139449 |
| 4 | CA Congressional District 8 | 137734 |
| 5 | CA Congressional District 41 | 133213 |
| 6 | CA Congressional District 42 | 130508 |
| 7 | CA Congressional District 23 | 127280 |
| 8 | CA Congressional District 38 | 126342 |
| 9 | CA Congressional District 32 | 126320 |
| 10 | CA Congressional District 31 | 126314 |
| 11 | CA Congressional District 51 | 125846 |
| 12 | CA Congressional District 35 | 124590 |
| 13 | CA Congressional District 1 | 123889 |
| 14 | CA Congressional District 6 | 118839 |
| 15 | CA Congressional District 3 | 118311 |
| 16 | CA Congressional District 21 | 118290 |
| 17 | CA Congressional District 44 | 117951 |
| 18 | CA Congressional District 25 | 115302 |
| 19 | CA Congressional District 4 | 113254 |
| 20 | CA Congressional District 50 | 112755 |
| 21 | CA Congressional District 29 | 112613 |
| 22 | CA Congressional District 16 | 112118 |
| 23 | CA Congressional District 40 | 110551 |
| 24 | CA Congressional District 46 | 110477 |
| 25 | CA Congressional District 7 | 108633 |
| 26 | CA Congressional District 22 | 108361 |
| 27 | CA Congressional District 43 | 107357 |
| 28 | CA Congressional District 5 | 104903 |
| 29 | CA Congressional District 34 | 101027 |
| 30 | CA Congressional District 15 | 99359 |
| 31 | CA Congressional District 19 | 96386 |
| 32 | CA Congressional District 53 | 94978 |
| 33 | CA Congressional District 20 | 94508 |
| 34 | CA Congressional District 26 | 94493 |
| 35 | CA Congressional District 2 | 93275 |
| 36 | CA Congressional District 47 | 91816 |
| 37 | CA Congressional District 27 | 91366 |
| 38 | CA Congressional District 39 | 91031 |
| 39 | CA Congressional District 28 | 91027 |
| 40 | CA Congressional District 11 | 89686 |
| 41 | CA Congressional District 30 | 88926 |
| 42 | CA Congressional District 24 | 86534 |
| 43 | CA Congressional District 37 | 85089 |
| 44 | CA Congressional District 14 | 83595 |
| 45 | CA Congressional District 48 | 82859 |
| 46 | CA Congressional District 13 | 80731 |
| 47 | CA Congressional District 49 | 74354 |
| 48 | CA Congressional District 17 | 70949 |
| 49 | CA Congressional District 45 | 67509 |
| 50 | CA Congressional District 12 | 66729 |
| 51 | CA Congressional District 52 | 56511 |
| 52 | CA Congressional District 18 | 53142 |
| 53 | CA Congressional District 33 | 47078 |