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Demographics Table

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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 Count

County
 sort alphabetically by name ascending
2023 Rural-Urban Continuum Codes Φ
 sort by rural urban descending
Value (Percent)
 sort by value ascending
People (Education: Less Than 9th Grade)
 sort by sample size ascending
Rank within US
(of 3143 counties)
 sort by rank ascending
United States N/A 4.7 10,732,389 N/A
California N/A 8.7 2,343,992 51 of 52
Los Angeles County Urban 11.6 800,955 3,042
Orange County Urban 7.3 160,449 2,796
Riverside County Urban 8.8 143,323 2,935
San Diego County Urban 6.0 135,208 2,563
San Bernardino County Urban 8.3 116,351 2,903
Santa Clara County Urban 6.4 85,465 2,648
Fresno County Urban 12.0 75,747 3,055
Alameda County Urban 6.4 75,609 2,648
Kern County Urban 12.8 71,804 3,067
Sacramento County Urban 6.1 66,036 2,587
San Joaquin County Urban 11.4 57,517 3,033
Ventura County Urban 8.8 50,900 2,935
Monterey County Urban 17.4 48,630 3,123
San Francisco County Urban 6.9 46,453 2,733
Tulare County Urban 16.2 46,120 3,112
Contra Costa County Urban 5.4 43,968 2,390
Stanislaus County Urban 11.2 39,494 3,027
San Mateo County Urban 5.9 32,007 2,536
Santa Barbara County Urban 11.4 31,864 3,033
Merced County Urban 17.2 29,491 3,121
Sonoma County Urban 6.3 22,125 2,631
Solano County Urban 5.4 17,092 2,390
Imperial County Urban 14.1 15,603 3,088
Madera County Urban 15.5 15,548 3,106
Kings County Urban 13.4 12,776 3,076
Santa Cruz County Urban 6.9 12,465 2,733
Napa County Urban 9.4 9,208 2,971
Marin County Urban 4.7 8,872 2,171
Yolo County Urban 6.6 8,658 2,682
Sutter County Urban 11.1 7,229 3,025
San Luis Obispo County Urban 3.6 6,924 1,681
Placer County Urban 2.1 6,127 658
Butte County Urban 3.7 5,042 1,734
Mendocino County Rural 7.0 4,587 2,749
San Benito County Urban 9.5 4,145 2,978
Yuba County Urban 6.7 3,547 2,697
Shasta County Urban 2.4 3,035 875
Tehama County Rural 6.7 3,017 2,697
El Dorado County Urban 1.9 2,720 512
Colusa County Rural 18.2 2,545 3,130
Humboldt County Rural 2.5 2,380 946
Lake County Rural 4.8 2,333 2,213
Glenn County Rural 11.6 2,165 3,042
Lassen County Rural 6.6 1,551 2,682
Siskiyou County Rural 3.4 1,084 1,563
Nevada County Rural 1.3 1,040 189
Del Norte County Rural 4.2 838 1,974
Amador County Rural 2.4 778 875
Tuolumne County Rural 1.5 624 281
Mono County Rural 4.5 433 2,106
Calaveras County Rural 1.2 429 156
Mariposa County Rural 2.8 375 1,173
Inyo County Rural 2.6 356 1,024
Plumas County Rural 2.2 333 723
Modoc County Rural 4.9 314 2,252
Trinity County Rural 1.7 214 376
Sierra County Rural 3.2 69 1,444
Alpine County Rural 1.7 20 376
Notes:
Created by statecancerprofiles.cancer.gov on 07/06/2025 7:10 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.

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