Interpretation of Demographics Data
Demographic Data Report for California by County
Education: Less than High School
Population Ages 25+
All Races (includes Hispanic), Both Sexes
2020-2024 American Community Survey 5-Year Data
Sorted by Percent
California
- 2023 Rural-Urban Continuum Codes Φ : N/A
- Value (Percent) : The value is 15.3 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 4,136,964.
- Rank within US : This county is ranked 51 of 52
United States
- 2023 Rural-Urban Continuum Codes Φ : N/A
- Value (Percent) : The value is 10.4 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 23,992,410.
- Rank within US : N/A
Imperial County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 28.5 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 31,737.
- Rank within US : This county is ranked 3116 of 3143
Merced County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 27.7 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 48,262.
- Rank within US : This county is ranked 3110 of 3143
Madera County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 26.9 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 27,252.
- Rank within US : This county is ranked 3103 of 3143
Monterey County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 26.7 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 75,231.
- Rank within US : This county is ranked 3101 of 3143
Colusa County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 25.8 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 3,638.
- Rank within US : This county is ranked 3093 of 3143
Tulare County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 25.2 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 72,559.
- Rank within US : This county is ranked 3083 of 3143
Kings County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 24.2 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 23,269.
- Rank within US : This county is ranked 3069 of 3143
Kern County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 23.0 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 129,659.
- Rank within US : This county is ranked 3045 of 3143
Lassen County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 23.0 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 5,133.
- Rank within US : This county is ranked 3045 of 3143
Glenn County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 21.8 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 4,009.
- Rank within US : This county is ranked 3010 of 3143
Fresno County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 20.9 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 132,968.
- Rank within US : This county is ranked 2990 of 3143
Stanislaus County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 20.1 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 71,359.
- Rank within US : This county is ranked 2965 of 3143
Sutter County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 19.8 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 12,921.
- Rank within US : This county is ranked 2953 of 3143
Los Angeles County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 19.1 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 1,323,665.
- Rank within US : This county is ranked 2912 of 3143
San Joaquin County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 19.1 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 98,300.
- Rank within US : This county is ranked 2912 of 3143
Santa Barbara County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 18.1 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 50,402.
- Rank within US : This county is ranked 2847 of 3143
San Bernardino County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 17.5 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 248,907.
- Rank within US : This county is ranked 2805 of 3143
San Benito County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 16.6 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 7,344.
- Rank within US : This county is ranked 2716 of 3143
Riverside County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 16.5 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 272,299.
- Rank within US : This county is ranked 2703 of 3143
Napa County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 14.9 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 14,559.
- Rank within US : This county is ranked 2514 of 3143
Ventura County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 14.9 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 86,256.
- Rank within US : This county is ranked 2514 of 3143
Yuba County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 14.3 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 7,704.
- Rank within US : This county is ranked 2427 of 3143
Del Norte County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 14.1 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 2,799.
- Rank within US : This county is ranked 2392 of 3143
Modoc County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 13.3 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 856.
- Rank within US : This county is ranked 2264 of 3143
Orange County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 12.9 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 287,073.
- Rank within US : This county is ranked 2192 of 3143
Tehama County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 12.8 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 5,729.
- Rank within US : This county is ranked 2175 of 3143
Mendocino County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 12.7 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 8,251.
- Rank within US : This county is ranked 2153 of 3143
Lake County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 12.4 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 6,062.
- Rank within US : This county is ranked 2100 of 3143
Sacramento County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 11.7 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 128,480.
- Rank within US : This county is ranked 1982 of 3143
Santa Cruz County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 11.4 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 20,421.
- Rank within US : This county is ranked 1913 of 3143
Solano County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 11.4 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 36,039.
- Rank within US : This county is ranked 1913 of 3143
Yolo County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 11.4 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 14,946.
- Rank within US : This county is ranked 1913 of 3143
Sonoma County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 11.3 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 39,954.
- Rank within US : This county is ranked 1890 of 3143
Alameda County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 11.2 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 133,545.
- Rank within US : This county is ranked 1876 of 3143
Mono County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 11.2 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 1,148.
- Rank within US : This county is ranked 1876 of 3143
San Francisco County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 11.0 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 72,937.
- Rank within US : This county is ranked 1838 of 3143
San Diego County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 10.9 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 248,294.
- Rank within US : This county is ranked 1824 of 3143
Santa Clara County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 10.7 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 144,780.
- Rank within US : This county is ranked 1780 of 3143
Contra Costa County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 10.4 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 84,906.
- Rank within US : This county is ranked 1712 of 3143
San Mateo County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 9.8 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 52,942.
- Rank within US : This county is ranked 1573 of 3143
Mariposa County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 9.7 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 1,301.
- Rank within US : This county is ranked 1546 of 3143
Butte County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 9.4 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 12,730.
- Rank within US : This county is ranked 1469 of 3143
Amador County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 9.3 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 3,068.
- Rank within US : This county is ranked 1440 of 3143
Siskiyou County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 8.3 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 2,672.
- Rank within US : This county is ranked 1147 of 3143
Humboldt County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 8.1 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 7,498.
- Rank within US : This county is ranked 1093 of 3143
Shasta County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 7.9 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 10,184.
- Rank within US : This county is ranked 1041 of 3143
San Luis Obispo County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 7.8 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 14,855.
- Rank within US : This county is ranked 1011 of 3143
Trinity County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 7.8 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 976.
- Rank within US : This county is ranked 1011 of 3143
Calaveras County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 7.6 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 2,719.
- Rank within US : This county is ranked 951 of 3143
Sierra County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 7.5 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 157.
- Rank within US : This county is ranked 915 of 3143
Marin County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 7.2 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 13,749.
- Rank within US : This county is ranked 822 of 3143
Inyo County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 7.0 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 961.
- Rank within US : This county is ranked 766 of 3143
Tuolumne County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 6.7 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 2,783.
- Rank within US : This county is ranked 681 of 3143
Plumas County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 6.3 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 963.
- Rank within US : This county is ranked 572 of 3143
Nevada County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 5.2 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 4,133.
- Rank within US : This county is ranked 297 of 3143
Placer County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 4.9 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 14,686.
- Rank within US : This county is ranked 235 of 3143
El Dorado County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 4.8 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 6,893.
- Rank within US : This county is ranked 211 of 3143
Alpine County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 3.7 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 41.
- Rank within US : This county is ranked 82 of 3143
Notes:
Created by statecancerprofiles.cancer.gov on 03/26/2026 8:31 am.
Φ Rural–urban county classifications are based on the 2023 USDA Rural–Urban Continuum Codes (except for Connecticut Counties which use 2013 codes). State-level cancer rates for rural areas are calculated using cancer cases registered exclusively in rural counties, while state-level cancer rates for urban areas are calculated using cases registered exclusively in urban counties.
Source: Demographic data provided by the Census Bureau and the American Community Survey.
For more information about Education: Less than High School, see the dictionary.
Data for United States does not include Puerto Rico.