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Demographics Table

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Demographic Data Report for California by County
Population: Age 18-39
All Races (includes Hispanic), Both Sexes
2015-2019 American Community Survey 5-Year Data
Sorted by Rank
County
 sort alphabetically by name ascending
Value (Percent)
 sort by value descending
People (Age 18-39)
 sort by sample size descending
Rank within US
(of 3146 counties)
 sort by rank descending
United States 29.8 96,748,047 N/A
California 31.7 12,439,048 47 of 52
Trinity County 19.4 2,470 135
Calaveras County 19.5 8,870 139
Sierra County 20.2 614 192
Modoc County 20.4 1,817 211
Plumas County 20.6 3,840 231
Marin County 20.6 53,644 235
Mariposa County 20.9 3,633 258
Alpine County 21.2 220 289
Nevada County 21.6 21,459 350
Inyo County 21.7 3,909 375
Siskiyou County 21.9 9,530 416
Amador County 22.8 8,745 607
El Dorado County 23.3 43,979 764
Lake County 23.9 15,325 933
Tuolumne County 24.6 13,317 1,180
Placer County 24.9 95,804 1,256
Tehama County 24.9 15,938 1,282
Mendocino County 25.0 21,817 1,314
Shasta County 26.8 48,051 1,909
Napa County 27.4 38,260 2,068
Contra Costa County 27.5 314,345 2,097
Sonoma County 27.6 137,692 2,107
Glenn County 28.0 7,821 2,217
Colusa County 28.8 6,169 2,404
Del Norte County 28.9 7,955 2,439
Ventura County 29.0 245,934 2,454
Sutter County 29.1 27,931 2,458
San Mateo County 29.6 227,348 2,551
Madera County 29.7 46,214 2,569
San Benito County 30.1 18,171 2,628
Solano County 30.1 132,995 2,630
Riverside County 30.2 727,854 2,648
San Joaquin County 30.2 224,512 2,655
Orange County 30.2 958,092 2,657
Stanislaus County 30.5 165,430 2,676
Tulare County 31.0 143,403 2,734
Monterey County 31.3 135,706 2,765
Sacramento County 31.3 477,673 2,767
Imperial County 31.4 56,737 2,774
Santa Clara County 32.0 616,062 2,821
Merced County 32.0 86,837 2,823
Fresno County 32.0 315,329 2,825
Yuba County 32.3 24,647 2,837
San Bernardino County 32.3 694,925 2,843
Kern County 32.5 288,174 2,853
Humboldt County 32.7 44,494 2,868
Los Angeles County 32.8 3,310,310 2,875
Alameda County 32.9 544,958 2,880
Butte County 33.0 74,574 2,890
Santa Cruz County 33.0 90,479 2,891
San Luis Obispo County 33.1 93,401 2,893
San Diego County 33.9 1,124,106 2,927
Mono County 34.1 4,884 2,940
Santa Barbara County 34.9 155,196 2,969
Kings County 35.4 53,340 2,989
San Francisco County 39.4 344,476 3,074
Yolo County 40.1 87,168 3,086
Lassen County 40.4 12,464 3,089
Notes:
Created by statecancerprofiles.cancer.gov on 12/01/2021 4:24 pm.
Source: Demographic data provided by the Census Bureau and the American Community Survey.
For more information about Population: Age 18-39, 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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