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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 Value
County
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Value (Percent)
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People (Age Under 18)
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Rank within US
(of 3141 counties)
 sort by rank ascending
United States 22.8 73,553,240 N/A
California 23.2 9,073,655 19 of 52
San Francisco County 13.4 116,897 3,117
Sierra County 15.1 441 3,093
Amador County 15.4 5,822 3,076
Lassen County 15.8 4,926 3,059
Mariposa County 16.3 2,865 3,032
Plumas County 16.4 3,063 3,030
Tuolumne County 16.7 9,013 2,995
Trinity County 16.9 2,172 2,977
Calaveras County 17.2 7,768 2,959
Nevada County 17.3 17,189 2,940
San Luis Obispo County 17.9 50,492 2,878
Mono County 19.0 2,689 2,712
Humboldt County 19.3 26,259 2,614
Modoc County 19.4 1,733 2,601
Santa Cruz County 19.6 53,761 2,539
Inyo County 20.1 3,635 2,421
Butte County 20.1 45,658 2,417
Sonoma County 20.1 100,818 2,416
Siskiyou County 20.2 8,797 2,382
Marin County 20.3 52,908 2,350
El Dorado County 20.4 38,016 2,337
Lake County 20.7 13,290 2,222
Alpine County 20.9 239 2,171
Alameda County 21.0 344,513 2,129
San Mateo County 21.1 161,248 2,097
Napa County 21.3 29,894 2,029
Yolo County 21.4 45,919 1,998
Shasta County 21.6 38,673 1,916
Mendocino County 21.6 18,891 1,904
Del Norte County 21.7 5,954 1,850
San Diego County 22.0 726,344 1,712
Los Angeles County 22.2 2,246,521 1,602
Santa Barbara County 22.3 99,117 1,563
Orange County 22.5 711,188 1,514
Santa Clara County 22.5 432,684 1,496
Solano County 22.5 98,813 1,488
Placer County 22.6 85,719 1,474
Contra Costa County 23.1 261,300 1,240
Ventura County 23.5 199,599 1,038
Tehama County 24.0 15,178 861
Sacramento County 24.0 362,761 826
Riverside County 25.8 613,808 381
Sutter County 26.2 25,116 332
San Benito County 26.3 15,603 324
Monterey County 26.3 114,125 315
Glenn County 26.8 7,470 265
San Bernardino County 26.8 572,852 259
Stanislaus County 27.2 146,907 212
Kings County 27.3 40,935 205
Colusa County 27.4 5,883 195
San Joaquin County 27.5 201,506 185
Madera County 27.6 42,814 178
Yuba County 27.7 20,874 175
Fresno County 28.6 279,979 134
Imperial County 28.7 51,676 132
Kern County 29.2 257,750 116
Merced County 29.8 80,062 94
Tulare County 31.2 143,528 67
Notes:
Created by statecancerprofiles.cancer.gov on 01/15/2021 4:49 pm.
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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