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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
2015-2019 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 3146 counties)
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California 23.0 9,022,146 20 of 52
United States 22.6 73,429,392 N/A
Tulare County 31.0 143,158 68
Merced County 29.6 80,459 93
Kern County 29.1 258,089 115
Imperial County 28.7 51,853 130
Fresno County 28.5 280,844 135
Yuba County 27.6 21,078 169
Madera County 27.6 42,853 172
San Joaquin County 27.3 202,701 194
Kings County 27.2 41,039 199
Colusa County 27.2 5,842 200
Stanislaus County 27.2 147,623 203
Glenn County 26.8 7,485 246
San Bernardino County 26.6 571,568 264
Monterey County 26.3 113,869 304
Sutter County 26.1 25,059 334
San Benito County 26.0 15,678 347
Riverside County 25.5 614,149 419
Tehama County 23.9 15,258 844
Sacramento County 23.8 363,176 871
Ventura County 23.2 196,787 1,127
Contra Costa County 22.9 261,203 1,289
Placer County 22.4 86,331 1,493
Solano County 22.4 98,839 1,508
Santa Barbara County 22.3 99,184 1,544
Orange County 22.2 704,508 1,573
Santa Clara County 22.2 428,382 1,579
Los Angeles County 22.0 2,214,760 1,691
San Diego County 21.8 722,738 1,756
Shasta County 21.6 38,679 1,856
Del Norte County 21.5 5,920 1,881
Mendocino County 21.4 18,702 1,921
Yolo County 21.2 46,026 2,031
Napa County 20.9 29,201 2,118
Lake County 20.9 13,400 2,135
San Mateo County 20.8 159,504 2,154
Alameda County 20.8 344,027 2,162
Siskiyou County 20.3 8,826 2,326
Marin County 20.2 52,633 2,341
Butte County 20.1 45,439 2,381
El Dorado County 20.1 37,922 2,386
Inyo County 20.1 3,609 2,395
Sonoma County 19.8 99,190 2,451
Modoc County 19.7 1,752 2,494
Santa Cruz County 19.4 53,121 2,574
Alpine County 19.3 201 2,587
Humboldt County 19.2 26,137 2,617
Mono County 18.7 2,671 2,740
San Luis Obispo County 17.8 50,176 2,871
Nevada County 17.2 17,099 2,933
Calaveras County 17.2 7,811 2,941
Trinity County 17.1 2,166 2,953
Plumas County 16.7 3,117 2,980
Tuolumne County 16.6 8,987 2,987
Mariposa County 16.3 2,840 3,016
Sierra County 15.9 482 3,046
Amador County 15.2 5,847 3,074
Lassen County 14.9 4,602 3,092
San Francisco County 13.4 117,546 3,122
Notes:
Created by statecancerprofiles.cancer.gov on 10/18/2021 2:00 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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