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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 Count
County
 sort alphabetically by name ascending
Value (Percent)
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People (Age Under 18)
 sort by sample size descending
Rank within US
(of 3143 counties)
 sort by rank ascending
California 22.8 8,992,432 20 of 52
United States 22.5 74,234,075 N/A
Alpine County 21.5 289 1,914
Sierra County 15.4 475 3,061
Modoc County 19.6 1,709 2,510
Trinity County 16.3 2,573 3,010
Mono County 19.9 2,647 2,439
Mariposa County 16.8 2,896 2,969
Plumas County 17.4 3,421 2,899
Inyo County 21.3 3,996 2,005
Lassen County 16.4 5,416 2,998
Colusa County 27.3 5,936 209
Del Norte County 21.7 5,990 1,841
Amador County 15.2 6,114 3,067
Calaveras County 17.0 7,722 2,944
Glenn County 27.1 7,769 221
Siskiyou County 20.3 8,981 2,302
Tuolumne County 17.0 9,388 2,948
Lake County 21.4 14,489 1,953
Tehama County 24.1 15,739 785
San Benito County 26.0 16,452 339
Nevada County 17.2 17,577 2,923
Mendocino County 21.4 19,587 1,951
Yuba County 27.7 22,298 173
Sutter County 26.0 25,779 335
Humboldt County 19.2 26,244 2,624
Napa County 20.5 28,404 2,263
El Dorado County 20.0 38,068 2,420
Shasta County 21.8 39,623 1,788
Kings County 27.2 41,348 211
Madera County 27.6 43,188 179
Butte County 20.3 44,310 2,303
Yolo County 21.0 45,449 2,092
San Luis Obispo County 17.8 50,215 2,861
Imperial County 28.8 51,865 125
Santa Cruz County 19.1 51,985 2,639
Marin County 20.0 52,454 2,412
Merced County 29.6 82,578 103
Placer County 22.3 89,446 1,530
Sonoma County 19.7 96,796 2,494
Solano County 22.3 100,496 1,566
Santa Barbara County 22.5 100,508 1,477
Monterey County 26.3 115,434 297
San Francisco County 13.6 118,194 3,110
Tulare County 30.8 145,107 71
Stanislaus County 27.3 150,291 208
San Mateo County 20.4 155,785 2,273
Ventura County 22.9 193,250 1,314
San Joaquin County 27.2 209,515 215
Kern County 29.0 262,988 120
Contra Costa County 22.7 263,508 1,397
Fresno County 28.5 286,311 137
Alameda County 20.6 344,088 2,230
Sacramento County 23.7 372,547 953
Santa Clara County 21.8 422,063 1,753
San Bernardino County 26.4 573,984 277
Riverside County 25.2 606,535 490
Orange County 22.0 699,691 1,691
San Diego County 21.7 713,838 1,844
Los Angeles County 21.6 2,169,083 1,852
Notes:
Created by statecancerprofiles.cancer.gov on 02/29/2024 11:24 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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