Demographics Table
Demographic Data Report for California by County
Education: Less than 9th grade
Population Ages 25+
All Races (includes Hispanic), Both Sexes
2019-2023 American Community Survey 5-Year Data
Sorted by Rank
County
|
2023 Rural-Urban Continuum Codes Φ
|
Value (Percent)
|
People (Education: Less Than 9th Grade)
|
Rank within US (of 3143 counties) 
|
|---|---|---|---|---|
| California | N/A | 8.7 | 2,343,992 | 51 of 52 |
| United States | N/A | 4.7 | 10,732,389 | N/A |
| Colusa County | Rural | 18.2 | 2,545 | 3,130 |
| Monterey County | Urban | 17.4 | 48,630 | 3,123 |
| Merced County | Urban | 17.2 | 29,491 | 3,121 |
| Tulare County | Urban | 16.2 | 46,120 | 3,112 |
| Madera County | Urban | 15.5 | 15,548 | 3,106 |
| Imperial County | Urban | 14.1 | 15,603 | 3,088 |
| Kings County | Urban | 13.4 | 12,776 | 3,076 |
| Kern County | Urban | 12.8 | 71,804 | 3,067 |
| Fresno County | Urban | 12.0 | 75,747 | 3,055 |
| Glenn County | Rural | 11.6 | 2,165 | 3,042 |
| Los Angeles County | Urban | 11.6 | 800,955 | 3,042 |
| San Joaquin County | Urban | 11.4 | 57,517 | 3,033 |
| Santa Barbara County | Urban | 11.4 | 31,864 | 3,033 |
| Stanislaus County | Urban | 11.2 | 39,494 | 3,027 |
| Sutter County | Urban | 11.1 | 7,229 | 3,025 |
| San Benito County | Urban | 9.5 | 4,145 | 2,978 |
| Napa County | Urban | 9.4 | 9,208 | 2,971 |
| Riverside County | Urban | 8.8 | 143,323 | 2,935 |
| Ventura County | Urban | 8.8 | 50,900 | 2,935 |
| San Bernardino County | Urban | 8.3 | 116,351 | 2,903 |
| Orange County | Urban | 7.3 | 160,449 | 2,796 |
| Mendocino County | Rural | 7.0 | 4,587 | 2,749 |
| San Francisco County | Urban | 6.9 | 46,453 | 2,733 |
| Santa Cruz County | Urban | 6.9 | 12,465 | 2,733 |
| Tehama County | Rural | 6.7 | 3,017 | 2,697 |
| Yuba County | Urban | 6.7 | 3,547 | 2,697 |
| Lassen County | Rural | 6.6 | 1,551 | 2,682 |
| Yolo County | Urban | 6.6 | 8,658 | 2,682 |
| Alameda County | Urban | 6.4 | 75,609 | 2,648 |
| Santa Clara County | Urban | 6.4 | 85,465 | 2,648 |
| Sonoma County | Urban | 6.3 | 22,125 | 2,631 |
| Sacramento County | Urban | 6.1 | 66,036 | 2,587 |
| San Diego County | Urban | 6.0 | 135,208 | 2,563 |
| San Mateo County | Urban | 5.9 | 32,007 | 2,536 |
| Contra Costa County | Urban | 5.4 | 43,968 | 2,390 |
| Solano County | Urban | 5.4 | 17,092 | 2,390 |
| Modoc County | Rural | 4.9 | 314 | 2,252 |
| Lake County | Rural | 4.8 | 2,333 | 2,213 |
| Marin County | Urban | 4.7 | 8,872 | 2,171 |
| Mono County | Rural | 4.5 | 433 | 2,106 |
| Del Norte County | Rural | 4.2 | 838 | 1,974 |
| Butte County | Urban | 3.7 | 5,042 | 1,734 |
| San Luis Obispo County | Urban | 3.6 | 6,924 | 1,681 |
| Siskiyou County | Rural | 3.4 | 1,084 | 1,563 |
| Sierra County | Rural | 3.2 | 69 | 1,444 |
| Mariposa County | Rural | 2.8 | 375 | 1,173 |
| Inyo County | Rural | 2.6 | 356 | 1,024 |
| Humboldt County | Rural | 2.5 | 2,380 | 946 |
| Amador County | Rural | 2.4 | 778 | 875 |
| Shasta County | Urban | 2.4 | 3,035 | 875 |
| Plumas County | Rural | 2.2 | 333 | 723 |
| Placer County | Urban | 2.1 | 6,127 | 658 |
| El Dorado County | Urban | 1.9 | 2,720 | 512 |
| Alpine County | Rural | 1.7 | 20 | 376 |
| Trinity County | Rural | 1.7 | 214 | 376 |
| Tuolumne County | Rural | 1.5 | 624 | 281 |
| Nevada County | Rural | 1.3 | 1,040 | 189 |
| Calaveras County | Rural | 1.2 | 429 | 156 |
Notes:
Created by statecancerprofiles.cancer.gov on 07/19/2025 8:46 am.
Φ Rural-Urban Continuum Codes provided by the USDA.
Source: Demographic data provided by the Census Bureau and the American Community Survey.
For more information about Education: Less than 9th grade, see the dictionary.
Data for United States does not include Puerto Rico.
Created by statecancerprofiles.cancer.gov on 07/19/2025 8:46 am.
Φ Rural-Urban Continuum Codes provided by the USDA.
Source: Demographic data provided by the Census Bureau and the American Community Survey.
For more information about Education: Less than 9th grade, see the dictionary.
Data for United States does not include Puerto Rico.