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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 Count

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 40 And Over)
 sort by sample size ascending
Rank within US
(of 3143 counties)
 sort by rank ascending
United States N/A 48.3 160,683,909 N/A
California N/A 46.7 18,316,465 41 of 52
Los Angeles County Urban 47.1 4,634,641 2,522
Orange County Urban 48.8 1,544,859 2,265
San Diego County Urban 45.7 1,501,432 2,687
Riverside County Urban 45.6 1,117,756 2,697
San Bernardino County Urban 42.3 925,077 2,922
Santa Clara County Urban 46.8 890,438 2,556
Alameda County Urban 48.0 792,869 2,413
Sacramento County Urban 45.9 727,044 2,669
Contra Costa County Urban 50.5 586,303 1,892
San Francisco County Urban 49.5 413,796 2,114
Ventura County Urban 49.3 413,127 2,161
Fresno County Urban 40.3 408,111 3,012
San Mateo County Urban 50.9 379,080 1,802
Kern County Urban 39.3 358,023 3,043
San Joaquin County Urban 43.3 341,175 2,873
Sonoma County Urban 53.9 261,520 1,056
Stanislaus County Urban 42.8 236,373 2,903
Placer County Urban 53.5 220,454 1,137
Solano County Urban 48.6 219,191 2,301
Santa Barbara County Urban 43.7 193,896 2,842
Monterey County Urban 43.9 191,548 2,829
Tulare County Urban 38.9 185,150 3,051
Marin County Urban 59.5 153,894 296
San Luis Obispo County Urban 50.2 141,285 1,964
Santa Cruz County Urban 49.6 131,850 2,089
Merced County Urban 38.7 110,657 3,059
El Dorado County Urban 57.1 109,853 535
Butte County Urban 45.5 95,387 2,713
Shasta County Urban 52.4 95,137 1,415
Yolo County Urban 40.0 87,146 3,023
Imperial County Urban 40.6 72,746 3,004
Napa County Urban 53.2 72,425 1,214
Madera County Urban 43.0 68,312 2,889
Humboldt County Rural 49.4 66,843 2,131
Nevada County Rural 61.2 62,673 186
Kings County Urban 37.9 57,936 3,079
Mendocino County Rural 54.5 49,469 912
Sutter County Urban 45.6 45,119 2,697
Lake County Rural 55.0 37,446 818
Yuba County Urban 40.1 33,314 3,020
Tehama County Rural 50.2 32,879 1,964
Tuolumne County Rural 59.4 32,595 305
San Benito County Urban 43.4 28,671 2,866
Calaveras County Rural 62.1 28,559 159
Siskiyou County Rural 57.9 25,387 446
Amador County Rural 60.9 25,000 206
Lassen County Rural 47.4 14,778 2,489
Del Norte County Rural 50.8 13,873 1,823
Glenn County Rural 45.6 13,058 2,697
Plumas County Rural 61.0 11,965 197
Inyo County Rural 57.5 10,818 493
Mariposa County Rural 63.1 10,761 124
Trinity County Rural 64.8 10,298 81
Colusa County Rural 45.3 9,926 2,732
Mono County Rural 50.7 6,680 1,843
Modoc County Rural 58.5 5,059 371
Sierra County Rural 70.9 1,937 14
Alpine County Rural 51.1 866 1,751
Notes:
Created by statecancerprofiles.cancer.gov on 04/24/2025 10:21 pm.

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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