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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
2014-2018 American Community Survey 5-Year Data
Sorted by Count
County
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Value (Percent)
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People (Age Under 18)
 sort by sample size descending
Rank within US
(of 3141 counties)
 sort by rank ascending
California 23.2 9,073,655 19 of 52
United States 22.8 73,553,240 N/A
Alpine County 20.9 239 2,171
Sierra County 15.1 441 3,093
Modoc County 19.4 1,733 2,601
Trinity County 16.9 2,172 2,977
Mono County 19.0 2,689 2,712
Mariposa County 16.3 2,865 3,032
Plumas County 16.4 3,063 3,030
Inyo County 20.1 3,635 2,421
Lassen County 15.8 4,926 3,059
Amador County 15.4 5,822 3,076
Colusa County 27.4 5,883 195
Del Norte County 21.7 5,954 1,850
Glenn County 26.8 7,470 265
Calaveras County 17.2 7,768 2,959
Siskiyou County 20.2 8,797 2,382
Tuolumne County 16.7 9,013 2,995
Lake County 20.7 13,290 2,222
Tehama County 24.0 15,178 861
San Benito County 26.3 15,603 324
Nevada County 17.3 17,189 2,940
Mendocino County 21.6 18,891 1,904
Yuba County 27.7 20,874 175
Sutter County 26.2 25,116 332
Humboldt County 19.3 26,259 2,614
Napa County 21.3 29,894 2,029
El Dorado County 20.4 38,016 2,337
Shasta County 21.6 38,673 1,916
Kings County 27.3 40,935 205
Madera County 27.6 42,814 178
Butte County 20.1 45,658 2,417
Yolo County 21.4 45,919 1,998
San Luis Obispo County 17.9 50,492 2,878
Imperial County 28.7 51,676 132
Marin County 20.3 52,908 2,350
Santa Cruz County 19.6 53,761 2,539
Merced County 29.8 80,062 94
Placer County 22.6 85,719 1,474
Solano County 22.5 98,813 1,488
Santa Barbara County 22.3 99,117 1,563
Sonoma County 20.1 100,818 2,416
Monterey County 26.3 114,125 315
San Francisco County 13.4 116,897 3,117
Tulare County 31.2 143,528 67
Stanislaus County 27.2 146,907 212
San Mateo County 21.1 161,248 2,097
Ventura County 23.5 199,599 1,038
San Joaquin County 27.5 201,506 185
Kern County 29.2 257,750 116
Contra Costa County 23.1 261,300 1,240
Fresno County 28.6 279,979 134
Alameda County 21.0 344,513 2,129
Sacramento County 24.0 362,761 826
Santa Clara County 22.5 432,684 1,496
San Bernardino County 26.8 572,852 259
Riverside County 25.8 613,808 381
Orange County 22.5 711,188 1,514
San Diego County 22.0 726,344 1,712
Los Angeles County 22.2 2,246,521 1,602
Notes:
Created by statecancerprofiles.cancer.gov on 05/12/2021 11:43 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.
Health Service Areas are a single county or cluster of contiguous counties which are relatively self-contained with respect to hospital care. For more detailed information, please see Health Service Area information page. Puerto Rico is being treated as a Health Service Area for this data presentation.
Data for United States does not include Puerto Rico.

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