Demographics Table
County![]() |
Value (Percent)![]() |
People (Age Under 18)![]() |
Rank within US (of 3141 counties) ![]() |
---|---|---|---|
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 04/20/2021 9:55 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.
Created by statecancerprofiles.cancer.gov on 04/20/2021 9:55 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.