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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
2017-2021 American Community Survey 5-Year Data
Sorted by Rank
County
 sort alphabetically by name ascending
Value (Percent)
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People (Age Under 18)
 sort by sample size ascending
Rank within US
(of 3143 counties)
 sort by rank descending
United States 22.5 74,234,075 N/A
California 22.8 8,992,432 20 of 52
San Francisco County 13.6 118,194 3,110
Amador County 15.2 6,114 3,067
Sierra County 15.4 475 3,061
Trinity County 16.3 2,573 3,010
Lassen County 16.4 5,416 2,998
Mariposa County 16.8 2,896 2,969
Tuolumne County 17.0 9,388 2,948
Calaveras County 17.0 7,722 2,944
Nevada County 17.2 17,577 2,923
Plumas County 17.4 3,421 2,899
San Luis Obispo County 17.8 50,215 2,861
Santa Cruz County 19.1 51,985 2,639
Humboldt County 19.2 26,244 2,624
Modoc County 19.6 1,709 2,510
Sonoma County 19.7 96,796 2,494
Mono County 19.9 2,647 2,439
El Dorado County 20.0 38,068 2,420
Marin County 20.0 52,454 2,412
Butte County 20.3 44,310 2,303
Siskiyou County 20.3 8,981 2,302
San Mateo County 20.4 155,785 2,273
Napa County 20.5 28,404 2,263
Alameda County 20.6 344,088 2,230
Yolo County 21.0 45,449 2,092
Inyo County 21.3 3,996 2,005
Lake County 21.4 14,489 1,953
Mendocino County 21.4 19,587 1,951
Alpine County 21.5 289 1,914
Los Angeles County 21.6 2,169,083 1,852
San Diego County 21.7 713,838 1,844
Del Norte County 21.7 5,990 1,841
Shasta County 21.8 39,623 1,788
Santa Clara County 21.8 422,063 1,753
Orange County 22.0 699,691 1,691
Solano County 22.3 100,496 1,566
Placer County 22.3 89,446 1,530
Santa Barbara County 22.5 100,508 1,477
Contra Costa County 22.7 263,508 1,397
Ventura County 22.9 193,250 1,314
Sacramento County 23.7 372,547 953
Tehama County 24.1 15,739 785
Riverside County 25.2 606,535 490
San Benito County 26.0 16,452 339
Sutter County 26.0 25,779 335
Monterey County 26.3 115,434 297
San Bernardino County 26.4 573,984 277
Glenn County 27.1 7,769 221
San Joaquin County 27.2 209,515 215
Kings County 27.2 41,348 211
Colusa County 27.3 5,936 209
Stanislaus County 27.3 150,291 208
Madera County 27.6 43,188 179
Yuba County 27.7 22,298 173
Fresno County 28.5 286,311 137
Imperial County 28.8 51,865 125
Kern County 29.0 262,988 120
Merced County 29.6 82,578 103
Tulare County 30.8 145,107 71
Notes:
Created by statecancerprofiles.cancer.gov on 02/29/2024 10:13 am.
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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