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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
2019-2023 American Community Survey 5-Year Data
Sorted by Name

County
 sort alphabetically by name ascending
2023 Rural-Urban Continuum Codes Φ
 sort by rural urban descending
Value (Percent)
 sort by value ascending
People (Age 18-39)
 sort by sample size ascending
Rank within US
(of 3143 counties)
 sort by rank ascending
United States N/A 29.5 98,058,393 N/A
California N/A 31.1 12,197,308 7 of 52
Yuba County Urban 32.6 27,125 250
Yolo County Urban 39.5 85,998 67
Ventura County Urban 28.6 239,337 738
Tuolumne County Rural 23.4 12,850 2,359
Tulare County Urban 31.0 147,509 369
Trinity County Rural 16.8 2,676 3,099
Tehama County Rural 25.7 16,858 1,585
Sutter County Urban 29.0 28,684 662
Stanislaus County Urban 30.3 167,562 440
Sonoma County Urban 26.8 130,184 1,180
Solano County Urban 29.3 132,209 602
Siskiyou County Rural 21.9 9,620 2,718
Sierra County Rural 16.3 445 3,116
Shasta County Urban 25.9 47,013 1,514
Santa Cruz County Urban 31.7 84,269 310
Santa Clara County Urban 32.3 614,106 265
Santa Barbara County Urban 33.9 150,471 196
San Mateo County Urban 29.3 217,956 602
San Luis Obispo County Urban 32.2 90,637 276
San Joaquin County Urban 30.1 237,311 470
San Francisco County Urban 36.8 307,797 99
San Diego County Urban 33.1 1,087,181 230
San Bernardino County Urban 31.9 698,760 297
San Benito County Urban 31.1 20,565 361
Sacramento County Urban 31.0 491,336 369
Riverside County Urban 29.9 733,482 500
Plumas County Rural 21.5 4,212 2,780
Placer County Urban 24.6 101,371 1,991
Orange County Urban 29.8 944,371 512
Nevada County Rural 21.7 22,265 2,751
Napa County Urban 26.9 36,622 1,143
Monterey County Urban 30.1 131,085 470
Mono County Rural 30.9 4,070 376
Modoc County Rural 22.3 1,926 2,639
Merced County Urban 32.1 91,698 281
Mendocino County Rural 24.4 22,098 2,056
Mariposa County Rural 20.1 3,425 2,954
Marin County Urban 20.8 53,859 2,882
Madera County Urban 29.6 47,031 549
Los Angeles County Urban 32.0 3,156,229 292
Lassen County Rural 34.7 10,819 170
Lake County Rural 23.3 15,865 2,387
Kings County Urban 35.0 53,520 156
Kern County Urban 31.8 289,860 303
Inyo County Rural 22.2 4,166 2,663
Imperial County Urban 30.9 55,457 376
Humboldt County Rural 31.7 42,890 310
Glenn County Rural 28.2 8,064 813
Fresno County Urban 31.6 320,218 317
El Dorado County Urban 23.2 44,529 2,414
Del Norte County Rural 28.2 7,692 813
Contra Costa County Urban 27.3 317,063 1,035
Colusa County Rural 27.3 5,982 1,035
Calaveras County Rural 21.0 9,668 2,857
Butte County Urban 34.0 71,148 190
Amador County Rural 23.6 9,673 2,294
Alpine County Rural 26.3 446 1,356
Alameda County Urban 32.0 528,045 292
Notes:
Created by statecancerprofiles.cancer.gov on 07/02/2025 6:24 am.

Φ Rural-Urban Continuum Codes provided by the USDA.

Source: Demographic data provided by the Census Bureau and the American Community Survey.
For more information about Population: Age 18-39, see the dictionary.

Data for United States does not include Puerto Rico.

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