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Demographics Table

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Demographic Data Report for California by County
Population: Age under 18
All Races (includes Hispanic), Both Sexes
2019-2023 American Community Survey 5-Year Data
Sorted by Value

County
 sort alphabetically by name ascending
2023 Rural-Urban Continuum Codes Φ
 sort by rural urban descending
Value (Percent)
 sort by value ascending
People (Age Under 18)
 sort by sample size ascending
Rank within US
(of 3143 counties)
 sort by rank ascending
California N/A 22.2 8,729,012 23 of 52
United States N/A 22.2 73,645,238 N/A
Tulare County Urban 30.1 143,115 74
Merced County Urban 29.1 83,242 103
Kern County Urban 28.8 262,550 115
Imperial County Urban 28.5 51,116 121
Fresno County Urban 28.0 283,823 136
Madera County Urban 27.4 43,447 173
Colusa County Rural 27.3 5,987 176
Yuba County Urban 27.3 22,640 176
Kings County Urban 27.1 41,374 187
Stanislaus County Urban 26.9 148,315 204
San Joaquin County Urban 26.5 208,930 234
Glenn County Rural 26.2 7,501 259
Monterey County Urban 26.0 113,201 281
San Bernardino County Urban 25.8 563,979 315
San Benito County Urban 25.5 16,820 355
Sutter County Urban 25.4 25,168 378
Riverside County Urban 24.4 598,671 594
Tehama County Rural 24.1 15,783 687
Sacramento County Urban 23.1 365,667 1,087
Alpine County Rural 22.6 383 1,288
Santa Barbara County Urban 22.4 99,608 1,385
Contra Costa County Urban 22.2 258,092 1,469
Ventura County Urban 22.2 185,795 1,469
Solano County Urban 22.1 99,424 1,518
Placer County Urban 22.0 90,610 1,567
Lake County Rural 21.8 14,828 1,646
Shasta County Urban 21.7 39,404 1,683
Orange County Urban 21.3 674,833 1,876
Mendocino County Rural 21.1 19,142 1,936
San Diego County Urban 21.1 694,169 1,936
Del Norte County Rural 21.0 5,728 1,977
Santa Clara County Urban 21.0 398,753 1,977
Los Angeles County Urban 20.9 2,057,536 2,008
Butte County Urban 20.5 42,935 2,151
Yolo County Urban 20.5 44,638 2,151
Inyo County Rural 20.3 3,819 2,213
Siskiyou County Rural 20.1 8,827 2,274
Alameda County Urban 20.0 331,035 2,300
Napa County Urban 19.9 27,023 2,329
San Mateo County Urban 19.9 148,064 2,329
El Dorado County Urban 19.7 37,917 2,378
Marin County Urban 19.7 51,012 2,378
Sonoma County Urban 19.3 93,938 2,489
Modoc County Rural 19.2 1,661 2,514
Humboldt County Rural 19.0 25,685 2,557
Santa Cruz County Urban 18.8 49,902 2,608
Mono County Rural 18.4 2,419 2,684
Trinity County Rural 18.3 2,912 2,702
Lassen County Rural 17.9 5,580 2,778
San Luis Obispo County Urban 17.6 49,564 2,835
Plumas County Rural 17.5 3,430 2,844
Tuolumne County Rural 17.2 9,428 2,882
Nevada County Rural 17.1 17,514 2,892
Calaveras County Rural 16.9 7,768 2,917
Mariposa County Rural 16.8 2,874 2,927
Amador County Rural 15.5 6,356 3,036
San Francisco County Urban 13.7 114,728 3,100
Sierra County Rural 12.8 349 3,111
Notes:
Created by statecancerprofiles.cancer.gov on 06/13/2025 1:12 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 Population: Age under 18, see the dictionary.

Data for United States does not include Puerto Rico.

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