Ranking of California Counties By Percentage of Two Or More Races Population Aged 25 years and above with an Educational attainment of Less than High School Diploma in 2021 (ACS-5Yrs)
Based on the US Census ACS-5Yrs estimates, in 2021, the percentage of the California Two Or More Races population (aged 25 years and above) who had an educational attainment of Less than High School Diploma was 20.18%. Among all California counties, Mono County had the highest percentage of its Two Or More Races population (aged 25 years and above) with an educational attainment of Less than High School Diploma (53.80%), followed by Glenn County (45.91%), and Lassen County (35.71%).
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.
| Rank | County | Percentage of Population (Aged 25yrs+) (%) |
|---|---|---|
| 1 | Mono County | 53.80 |
| 2 | Glenn County | 45.91 |
| 3 | Lassen County | 35.71 |
| 4 | Tulare County | 34.72 |
| 5 | Kings County | 32.67 |
| 6 | Santa Barbara County | 31.31 |
| 7 | Kern County | 30.46 |
| 8 | Madera County | 28.72 |
| 9 | Imperial County | 27.55 |
| 10 | Napa County | 27.00 |
| 11 | Fresno County | 26.79 |
| 12 | Colusa County | 26.16 |
| 13 | Stanislaus County | 25.54 |
| 14 | Ventura County | 25.42 |
| 15 | San Benito County | 24.43 |
| 16 | Sutter County | 23.65 |
| 17 | Los Angeles County | 23.46 |
| 18 | San Joaquin County | 23.40 |
| 19 | Mendocino County | 22.93 |
| 20 | Lake County | 22.78 |
| 21 | Tehama County | 22.68 |
| 22 | San Bernardino County | 20.47 |
| 23 | Merced County | 20.33 |
| 24 | Calaveras County | 19.75 |
| 25 | Monterey County | 19.25 |
| 26 | Yolo County | 18.88 |
| 27 | Riverside County | 18.34 |
| 28 | Orange County | 18.13 |
| 29 | San Diego County | 17.73 |
| 30 | Santa Clara County | 16.73 |
| 31 | Tuolumne County | 15.71 |
| 32 | Del Norte County | 15.27 |
| 33 | Sonoma County | 15.26 |
| 34 | Butte County | 15.04 |
| 35 | Contra Costa County | 14.62 |
| 36 | Solano County | 13.91 |
| 37 | San Luis Obispo County | 13.53 |
| 38 | Siskiyou County | 13.35 |
| 39 | Yuba County | 13.21 |
| 40 | Sacramento County | 13.16 |
| 41 | Santa Cruz County | 12.88 |
| 42 | San Mateo County | 11.97 |
| 43 | Modoc County | 10.61 |
| 44 | Alameda County | 10.10 |
| 45 | Marin County | 10.02 |
| 46 | Amador County | 9.87 |
| 47 | Humboldt County | 9.81 |
| 48 | Nevada County | 9.71 |
| 49 | Inyo County | 9.54 |
| 50 | Shasta County | 9.24 |
| 51 | Alpine County | 8.57 |
| 52 | San Francisco County | 7.65 |
| 53 | El Dorado County | 7.16 |
| 54 | Placer County | 6.76 |
| 55 | Mariposa County | 5.97 |
| 56 | Trinity County | 4.03 |
| 57 | Plumas County | 3.15 |
| 58 | Sierra County | 0.00 |