Interpretation of Demographics Data
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 Value
United States
- 2023 Rural-Urban Continuum Codes Φ : N/A
- Value (Percent) : The value is 4.7 percent.
- People (Education: Less Than 9th Grade) : The number of people (education: less than 9th grade) is 10,732,389.
- Rank within US : N/A
California
- 2023 Rural-Urban Continuum Codes Φ : N/A
- Value (Percent) : The value is 8.7 percent.
- People (Education: Less Than 9th Grade) : The number of people (education: less than 9th grade) is 2,343,992.
- Rank within US : This state is ranked 51 of 52
Calaveras County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 1.2 percent.
- People (Education: Less Than 9th Grade) : The number of people (education: less than 9th grade) is 429.
- Rank within US : This county is ranked 156 of 3143
Nevada County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 1.3 percent.
- People (Education: Less Than 9th Grade) : The number of people (education: less than 9th grade) is 1,040.
- Rank within US : This county is ranked 189 of 3143
Tuolumne County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 1.5 percent.
- People (Education: Less Than 9th Grade) : The number of people (education: less than 9th grade) is 624.
- Rank within US : This county is ranked 281 of 3143
Alpine County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 1.7 percent.
- People (Education: Less Than 9th Grade) : The number of people (education: less than 9th grade) is 20.
- Rank within US : This county is ranked 376 of 3143
Trinity County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 1.7 percent.
- People (Education: Less Than 9th Grade) : The number of people (education: less than 9th grade) is 214.
- Rank within US : This county is ranked 376 of 3143
El Dorado County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 1.9 percent.
- People (Education: Less Than 9th Grade) : The number of people (education: less than 9th grade) is 2,720.
- Rank within US : This county is ranked 512 of 3143
Placer County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 2.1 percent.
- People (Education: Less Than 9th Grade) : The number of people (education: less than 9th grade) is 6,127.
- Rank within US : This county is ranked 658 of 3143
Plumas County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 2.2 percent.
- People (Education: Less Than 9th Grade) : The number of people (education: less than 9th grade) is 333.
- Rank within US : This county is ranked 723 of 3143
Amador County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 2.4 percent.
- People (Education: Less Than 9th Grade) : The number of people (education: less than 9th grade) is 778.
- Rank within US : This county is ranked 875 of 3143
Shasta County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 2.4 percent.
- People (Education: Less Than 9th Grade) : The number of people (education: less than 9th grade) is 3,035.
- Rank within US : This county is ranked 875 of 3143
Humboldt County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 2.5 percent.
- People (Education: Less Than 9th Grade) : The number of people (education: less than 9th grade) is 2,380.
- Rank within US : This county is ranked 946 of 3143
Inyo County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 2.6 percent.
- People (Education: Less Than 9th Grade) : The number of people (education: less than 9th grade) is 356.
- Rank within US : This county is ranked 1024 of 3143
Mariposa County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 2.8 percent.
- People (Education: Less Than 9th Grade) : The number of people (education: less than 9th grade) is 375.
- Rank within US : This county is ranked 1173 of 3143
Sierra County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 3.2 percent.
- People (Education: Less Than 9th Grade) : The number of people (education: less than 9th grade) is 69.
- Rank within US : This county is ranked 1444 of 3143
Siskiyou County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 3.4 percent.
- People (Education: Less Than 9th Grade) : The number of people (education: less than 9th grade) is 1,084.
- Rank within US : This county is ranked 1563 of 3143
San Luis Obispo County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 3.6 percent.
- People (Education: Less Than 9th Grade) : The number of people (education: less than 9th grade) is 6,924.
- Rank within US : This county is ranked 1681 of 3143
Butte County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 3.7 percent.
- People (Education: Less Than 9th Grade) : The number of people (education: less than 9th grade) is 5,042.
- Rank within US : This county is ranked 1734 of 3143
Del Norte County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 4.2 percent.
- People (Education: Less Than 9th Grade) : The number of people (education: less than 9th grade) is 838.
- Rank within US : This county is ranked 1974 of 3143
Mono County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 4.5 percent.
- People (Education: Less Than 9th Grade) : The number of people (education: less than 9th grade) is 433.
- Rank within US : This county is ranked 2106 of 3143
Marin County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 4.7 percent.
- People (Education: Less Than 9th Grade) : The number of people (education: less than 9th grade) is 8,872.
- Rank within US : This county is ranked 2171 of 3143
Lake County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 4.8 percent.
- People (Education: Less Than 9th Grade) : The number of people (education: less than 9th grade) is 2,333.
- Rank within US : This county is ranked 2213 of 3143
Modoc County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 4.9 percent.
- People (Education: Less Than 9th Grade) : The number of people (education: less than 9th grade) is 314.
- Rank within US : This county is ranked 2252 of 3143
Contra Costa County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 5.4 percent.
- People (Education: Less Than 9th Grade) : The number of people (education: less than 9th grade) is 43,968.
- Rank within US : This county is ranked 2390 of 3143
Solano County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 5.4 percent.
- People (Education: Less Than 9th Grade) : The number of people (education: less than 9th grade) is 17,092.
- Rank within US : This county is ranked 2390 of 3143
San Mateo County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 5.9 percent.
- People (Education: Less Than 9th Grade) : The number of people (education: less than 9th grade) is 32,007.
- Rank within US : This county is ranked 2536 of 3143
San Diego County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 6.0 percent.
- People (Education: Less Than 9th Grade) : The number of people (education: less than 9th grade) is 135,208.
- Rank within US : This county is ranked 2563 of 3143
Sacramento County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 6.1 percent.
- People (Education: Less Than 9th Grade) : The number of people (education: less than 9th grade) is 66,036.
- Rank within US : This county is ranked 2587 of 3143
Sonoma County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 6.3 percent.
- People (Education: Less Than 9th Grade) : The number of people (education: less than 9th grade) is 22,125.
- Rank within US : This county is ranked 2631 of 3143
Alameda County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 6.4 percent.
- People (Education: Less Than 9th Grade) : The number of people (education: less than 9th grade) is 75,609.
- Rank within US : This county is ranked 2648 of 3143
Santa Clara County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 6.4 percent.
- People (Education: Less Than 9th Grade) : The number of people (education: less than 9th grade) is 85,465.
- Rank within US : This county is ranked 2648 of 3143
Lassen County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 6.6 percent.
- People (Education: Less Than 9th Grade) : The number of people (education: less than 9th grade) is 1,551.
- Rank within US : This county is ranked 2682 of 3143
Yolo County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 6.6 percent.
- People (Education: Less Than 9th Grade) : The number of people (education: less than 9th grade) is 8,658.
- Rank within US : This county is ranked 2682 of 3143
Tehama County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 6.7 percent.
- People (Education: Less Than 9th Grade) : The number of people (education: less than 9th grade) is 3,017.
- Rank within US : This county is ranked 2697 of 3143
Yuba County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 6.7 percent.
- People (Education: Less Than 9th Grade) : The number of people (education: less than 9th grade) is 3,547.
- Rank within US : This county is ranked 2697 of 3143
San Francisco County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 6.9 percent.
- People (Education: Less Than 9th Grade) : The number of people (education: less than 9th grade) is 46,453.
- Rank within US : This county is ranked 2733 of 3143
Santa Cruz County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 6.9 percent.
- People (Education: Less Than 9th Grade) : The number of people (education: less than 9th grade) is 12,465.
- Rank within US : This county is ranked 2733 of 3143
Mendocino County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 7.0 percent.
- People (Education: Less Than 9th Grade) : The number of people (education: less than 9th grade) is 4,587.
- Rank within US : This county is ranked 2749 of 3143
Orange County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 7.3 percent.
- People (Education: Less Than 9th Grade) : The number of people (education: less than 9th grade) is 160,449.
- Rank within US : This county is ranked 2796 of 3143
San Bernardino County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 8.3 percent.
- People (Education: Less Than 9th Grade) : The number of people (education: less than 9th grade) is 116,351.
- Rank within US : This county is ranked 2903 of 3143
Riverside County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 8.8 percent.
- People (Education: Less Than 9th Grade) : The number of people (education: less than 9th grade) is 143,323.
- Rank within US : This county is ranked 2935 of 3143
Ventura County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 8.8 percent.
- People (Education: Less Than 9th Grade) : The number of people (education: less than 9th grade) is 50,900.
- Rank within US : This county is ranked 2935 of 3143
Napa County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 9.4 percent.
- People (Education: Less Than 9th Grade) : The number of people (education: less than 9th grade) is 9,208.
- Rank within US : This county is ranked 2971 of 3143
San Benito County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 9.5 percent.
- People (Education: Less Than 9th Grade) : The number of people (education: less than 9th grade) is 4,145.
- Rank within US : This county is ranked 2978 of 3143
Sutter County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 11.1 percent.
- People (Education: Less Than 9th Grade) : The number of people (education: less than 9th grade) is 7,229.
- Rank within US : This county is ranked 3025 of 3143
Stanislaus County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 11.2 percent.
- People (Education: Less Than 9th Grade) : The number of people (education: less than 9th grade) is 39,494.
- Rank within US : This county is ranked 3027 of 3143
San Joaquin County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 11.4 percent.
- People (Education: Less Than 9th Grade) : The number of people (education: less than 9th grade) is 57,517.
- Rank within US : This county is ranked 3033 of 3143
Santa Barbara County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 11.4 percent.
- People (Education: Less Than 9th Grade) : The number of people (education: less than 9th grade) is 31,864.
- Rank within US : This county is ranked 3033 of 3143
Glenn County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 11.6 percent.
- People (Education: Less Than 9th Grade) : The number of people (education: less than 9th grade) is 2,165.
- Rank within US : This county is ranked 3042 of 3143
Los Angeles County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 11.6 percent.
- People (Education: Less Than 9th Grade) : The number of people (education: less than 9th grade) is 800,955.
- Rank within US : This county is ranked 3042 of 3143
Fresno County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 12.0 percent.
- People (Education: Less Than 9th Grade) : The number of people (education: less than 9th grade) is 75,747.
- Rank within US : This county is ranked 3055 of 3143
Kern County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 12.8 percent.
- People (Education: Less Than 9th Grade) : The number of people (education: less than 9th grade) is 71,804.
- Rank within US : This county is ranked 3067 of 3143
Kings County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 13.4 percent.
- People (Education: Less Than 9th Grade) : The number of people (education: less than 9th grade) is 12,776.
- Rank within US : This county is ranked 3076 of 3143
Imperial County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 14.1 percent.
- People (Education: Less Than 9th Grade) : The number of people (education: less than 9th grade) is 15,603.
- Rank within US : This county is ranked 3088 of 3143
Madera County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 15.5 percent.
- People (Education: Less Than 9th Grade) : The number of people (education: less than 9th grade) is 15,548.
- Rank within US : This county is ranked 3106 of 3143
Tulare County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 16.2 percent.
- People (Education: Less Than 9th Grade) : The number of people (education: less than 9th grade) is 46,120.
- Rank within US : This county is ranked 3112 of 3143
Merced County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 17.2 percent.
- People (Education: Less Than 9th Grade) : The number of people (education: less than 9th grade) is 29,491.
- Rank within US : This county is ranked 3121 of 3143
Monterey County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 17.4 percent.
- People (Education: Less Than 9th Grade) : The number of people (education: less than 9th grade) is 48,630.
- Rank within US : This county is ranked 3123 of 3143
Colusa County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 18.2 percent.
- People (Education: Less Than 9th Grade) : The number of people (education: less than 9th grade) is 2,545.
- Rank within US : This county is ranked 3130 of 3143
Notes:
Created by statecancerprofiles.cancer.gov on 07/14/2025 7:30 pm.
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.