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Demographics Table

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Demographic Data Report for California by County
Population: Age 40 and over
All Races (includes Hispanic), Both Sexes
2019-2023 American Community Survey 5-Year Data
Sorted by Name

County
 sort alphabetically by name descending
2023 Rural-Urban Continuum Codes Φ
 sort by rural urban descending
Value (Percent)
 sort by value ascending
People (Age 40 And Over)
 sort by sample size ascending
Rank within US
(of 3143 counties)
 sort by rank ascending
California N/A 46.7 18,316,465 41 of 52
United States N/A 48.3 160,683,909 N/A
Alameda County Urban 48.0 792,869 2,413
Alpine County Rural 51.1 866 1,751
Amador County Rural 60.9 25,000 206
Butte County Urban 45.5 95,387 2,713
Calaveras County Rural 62.1 28,559 159
Colusa County Rural 45.3 9,926 2,732
Contra Costa County Urban 50.5 586,303 1,892
Del Norte County Rural 50.8 13,873 1,823
El Dorado County Urban 57.1 109,853 535
Fresno County Urban 40.3 408,111 3,012
Glenn County Rural 45.6 13,058 2,697
Humboldt County Rural 49.4 66,843 2,131
Imperial County Urban 40.6 72,746 3,004
Inyo County Rural 57.5 10,818 493
Kern County Urban 39.3 358,023 3,043
Kings County Urban 37.9 57,936 3,079
Lake County Rural 55.0 37,446 818
Lassen County Rural 47.4 14,778 2,489
Los Angeles County Urban 47.1 4,634,641 2,522
Madera County Urban 43.0 68,312 2,889
Marin County Urban 59.5 153,894 296
Mariposa County Rural 63.1 10,761 124
Mendocino County Rural 54.5 49,469 912
Merced County Urban 38.7 110,657 3,059
Modoc County Rural 58.5 5,059 371
Mono County Rural 50.7 6,680 1,843
Monterey County Urban 43.9 191,548 2,829
Napa County Urban 53.2 72,425 1,214
Nevada County Rural 61.2 62,673 186
Orange County Urban 48.8 1,544,859 2,265
Placer County Urban 53.5 220,454 1,137
Plumas County Rural 61.0 11,965 197
Riverside County Urban 45.6 1,117,756 2,697
Sacramento County Urban 45.9 727,044 2,669
San Benito County Urban 43.4 28,671 2,866
San Bernardino County Urban 42.3 925,077 2,922
San Diego County Urban 45.7 1,501,432 2,687
San Francisco County Urban 49.5 413,796 2,114
San Joaquin County Urban 43.3 341,175 2,873
San Luis Obispo County Urban 50.2 141,285 1,964
San Mateo County Urban 50.9 379,080 1,802
Santa Barbara County Urban 43.7 193,896 2,842
Santa Clara County Urban 46.8 890,438 2,556
Santa Cruz County Urban 49.6 131,850 2,089
Shasta County Urban 52.4 95,137 1,415
Sierra County Rural 70.9 1,937 14
Siskiyou County Rural 57.9 25,387 446
Solano County Urban 48.6 219,191 2,301
Sonoma County Urban 53.9 261,520 1,056
Stanislaus County Urban 42.8 236,373 2,903
Sutter County Urban 45.6 45,119 2,697
Tehama County Rural 50.2 32,879 1,964
Trinity County Rural 64.8 10,298 81
Tulare County Urban 38.9 185,150 3,051
Tuolumne County Rural 59.4 32,595 305
Ventura County Urban 49.3 413,127 2,161
Yolo County Urban 40.0 87,146 3,023
Yuba County Urban 40.1 33,314 3,020
Notes:
Created by statecancerprofiles.cancer.gov on 07/06/2025 11:44 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 40 and over, see the dictionary.

Data for United States does not include Puerto Rico.

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