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

Updated on September 5, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, the percentage of the California Asian Alone population (aged 25 years and above) who had an educational attainment of High School Graduate or Equivalent was 13.38%. Among all California counties, Plumas County had the highest percentage of its Asian Alone population (aged 25 years and above) with an educational attainment of High School Graduate or Equivalent (51.61%), followed by Mono County (42.25%), and Calaveras County (34.48%).

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

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 Counties By Percentage of Asian Alone Population (Aged 25yrs+) with an Educational Attainment of High School Graduate or Equivalent in 2021
Plumas County
Mono County
Calaveras County
Lassen County
Siskiyou County
Tuolumne County
Inyo County
Mariposa County
Yuba County
Mendocino County
Ranking of California Counties By Percentage of Asian Alone Population (Aged 25yrs+) with an Educational Attainment of High School Graduate or Equivalent in 2021
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Rank County Percentage of Population (Aged 25yrs+) (%)
1 Plumas County 51.61
2 Mono County 42.25
3 Calaveras County 34.48
4 Lassen County 33.93
5 Siskiyou County 31.29
6 Tuolumne County 30.64
7 Inyo County 30.47
8 Mariposa County 29.07
9 Yuba County 28.02
10 Mendocino County 27.04
11 Tehama County 23.95
12 Lake County 23.83
13 Tulare County 22.97
14 Stanislaus County 22.10
15 Shasta County 22.08
16 San Benito County 21.79
17 Amador County 21.36
18 Del Norte County 21.03
19 Kern County 20.50
20 Sutter County 20.33
21 San Joaquin County 20.18
22 Monterey County 19.52
23 Humboldt County 19.43
24 Imperial County 19.23
25 Merced County 19.19
26 Fresno County 18.86
27 Solano County 17.97
28 Butte County 17.90
29 Sacramento County 17.44
30 Kings County 17.08
31 Riverside County 15.15
32 Los Angeles County 14.32
33 Santa Barbara County 14.19
34 San Francisco County 14.14
35 San Luis Obispo County 13.94
36 San Bernardino County 13.56
37 Sonoma County 13.53
38 Santa Cruz County 13.40
39 Glenn County 13.35
40 Madera County 13.33
41 Orange County 12.58
42 Alameda County 12.41
42 San Diego County 12.41
43 Yolo County 11.98
44 Ventura County 11.91
45 Contra Costa County 11.63
46 San Mateo County 11.29
47 Napa County 11.12
48 Nevada County 10.68
49 Placer County 10.32
50 Marin County 10.13
51 El Dorado County 9.99
52 Colusa County 9.35
53 Modoc County 9.09
54 Santa Clara County 8.70
55 Trinity County 8.13
56 Alpine County 0.00