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Demographics Table

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Demographic Data Report for California by County
Population: Age 65 and over
All Races (includes Hispanic), Both Sexes
2020-2024 American Community Survey 5-Year Data
Sorted by Percent

County
 sort alphabetically by name ascending
2023 Rural-Urban Continuum Codes Φ
 sort by rural urban descending
Value (Percent)
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People (Age 65 And Over)
 sort by sample size descending
Rank within US
(of 3143 counties)
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California N/A 15.7 6,158,371 46 of 52
United States N/A 17.2 57,633,628 N/A
Alpine County Rural 21.1 341 1,197
Sierra County Rural 35.1 963 32
Mono County Rural 17.5 2,297 2,284
Modoc County Rural 31.7 2,722 86
Colusa County Rural 15.5 3,410 2,702
Inyo County Rural 24.9 4,675 492
Trinity County Rural 30.2 4,795 125
Glenn County Rural 17.2 4,893 2,358
Lassen County Rural 16.5 5,012 2,529
Mariposa County Rural 29.7 5,073 138
Del Norte County Rural 20.5 5,552 1,385
Plumas County Rural 31.5 6,114 88
San Benito County Urban 13.7 9,234 2,935
Yuba County Urban 13.1 11,060 2,986
Amador County Rural 27.6 11,423 248
Siskiyou County Rural 27.8 12,101 241
Tehama County Rural 20.1 13,085 1,518
Calaveras County Rural 29.2 13,517 168
Tuolumne County Rural 28.1 15,339 217
Sutter County Urban 16.4 16,216 2,548
Lake County Rural 23.9 16,290 616
Kings County Urban 10.8 16,584 3,100
Mendocino County Rural 24.5 22,154 541
Madera County Urban 14.4 23,148 2,870
Imperial County Urban 13.7 24,701 2,935
Humboldt County Rural 19.8 26,660 1,625
Napa County Urban 21.1 28,455 1,197
Yolo County Urban 13.5 29,712 2,952
Nevada County Rural 29.3 30,033 161
Merced County Urban 11.7 34,001 3,071
Butte County Urban 18.4 38,227 2,046
Shasta County Urban 21.5 39,009 1,094
El Dorado County Urban 23.5 45,254 682
Santa Cruz County Urban 19.0 50,275 1,855
Tulare County Urban 11.9 57,101 3,058
Marin County Urban 23.8 61,345 636
San Luis Obispo County Urban 22.1 62,338 961
Monterey County Urban 14.9 65,068 2,799
Santa Barbara County Urban 16.6 73,710 2,508
Stanislaus County Urban 13.8 76,271 2,924
Solano County Urban 17.4 78,738 2,309
Placer County Urban 20.5 85,822 1,385
Sonoma County Urban 21.5 104,389 1,094
San Joaquin County Urban 13.5 107,730 2,952
Kern County Urban 11.9 108,560 3,058
Fresno County Urban 12.9 131,488 3,002
San Mateo County Urban 17.8 132,242 2,221
Ventura County Urban 17.4 145,793 2,309
San Francisco County Urban 17.6 146,510 2,271
Contra Costa County Urban 17.1 199,270 2,381
Sacramento County Urban 15.3 243,370 2,736
Alameda County Urban 15.4 254,161 2,717
San Bernardino County Urban 12.6 276,984 3,023
Santa Clara County Urban 14.8 282,010 2,811
Riverside County Urban 15.4 382,888 2,717
San Diego County Urban 15.4 507,734 2,717
Orange County Urban 16.3 514,824 2,558
Los Angeles County Urban 15.2 1,487,700 2,760

Notes:
Created by statecancerprofiles.cancer.gov on 03/22/2026 4:43 pm.

Φ Rural–urban county classifications are based on the 2023 USDA Rural–Urban Continuum Codes (except for Connecticut Counties which use 2013 codes). State-level cancer rates for rural areas are calculated using cancer cases registered exclusively in rural counties, while state-level cancer rates for urban areas are calculated using cases registered exclusively in urban counties.

Source: Demographic data provided by the Census Bureau and the American Community Survey.

For more information about Population: Age 65 and over, see the dictionary.

Data for United States does not include Puerto Rico.

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