Ranking of California Counties By Percentage of Black or African American 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 Black or African American Alone population (aged 25 years and above) who had an educational attainment of High School Graduate or Equivalent was 23.71%. Among all California counties, Alpine County had the highest percentage of its Black or African American Alone population (aged 25 years and above) with an educational attainment of High School Graduate or Equivalent (100.00%), followed by Modoc County (52.67%), and Colusa County (43.88%).

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 Black or African American Alone Population (Aged 25yrs+) with an Educational Attainment of High School Graduate or Equivalent in 2021
Alpine County
Modoc County
Colusa County
Trinity County
Imperial County
Mendocino County
Lassen County
San Joaquin County
Del Norte County
Merced County
Ranking of California Counties By Percentage of Black or African American Alone Population (Aged 25yrs+) with an Educational Attainment of High School Graduate or Equivalent in 2021
Items per page:
0 of 0
Rank County Percentage of Population (Aged 25yrs+) (%)
1 Alpine County 100.00
2 Modoc County 52.67
3 Colusa County 43.88
4 Trinity County 43.75
5 Imperial County 35.85
6 Mendocino County 34.31
7 Lassen County 31.42
8 San Joaquin County 31.23
9 Del Norte County 31.12
10 Merced County 30.92
11 Amador County 30.04
12 Kings County 29.37
13 Tehama County 29.25
14 Kern County 29.04
15 Monterey County 28.72
16 Siskiyou County 27.20
17 Madera County 27.13
18 Humboldt County 27.11
19 Stanislaus County 26.98
20 Fresno County 25.92
21 Solano County 25.34
22 Riverside County 25.30
23 San Bernardino County 25.09
24 Lake County 24.86
25 San Diego County 24.73
26 Sacramento County 24.59
27 Shasta County 24.37
28 Marin County 24.16
29 Napa County 24.15
30 Tuolumne County 24.02
31 San Mateo County 23.48
32 Los Angeles County 23.01
33 San Francisco County 22.94
34 Contra Costa County 22.46
35 Alameda County 22.29
36 San Luis Obispo County 22.22
37 Sutter County 22.18
38 Santa Barbara County 20.76
39 Yolo County 20.52
40 Butte County 20.35
41 Glenn County 20.25
42 Sonoma County 19.90
43 Ventura County 19.75
44 Tulare County 19.32
45 Orange County 18.93
46 Placer County 18.08
47 Yuba County 16.88
48 Santa Clara County 16.25
49 Santa Cruz County 14.46
50 El Dorado County 13.56
51 Nevada County 10.42
52 San Benito County 9.67
53 Mariposa County 7.25
54 Inyo County 6.49
55 Calaveras County 4.84
56 Plumas County 2.65
57 Mono County 0.00
57 Sierra County 0.00