State Cancer Profiles

Interpretation of Demographics Data

Demographic Data Report for California by County
Population: Age 40-64
All Races (includes Hispanic), Both Sexes
2019-2023 American Community Survey 5-Year Data
Sorted by Percent

California

• 2023 Rural-Urban Continuum Codes Φ : N/A
• Value (Percent) : The value is 31.4 percent.
• People (Age 40-64) : The number of people (age 40-64) is 12,321,979.
• Rank within US : This county is ranked 28 of 52

United States

• 2023 Rural-Urban Continuum Codes Φ : N/A
• Value (Percent) : The value is 31.5 percent.
• People (Age 40-64) : The number of people (age 40-64) is 104,713,862.
• Rank within US : N/A

Yolo County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 26.7 percent.
• People (Age 40-64) : The number of people (age 40-64) is 58,231.
• Rank within US : This county is ranked 2985 of 3143

Yuba County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 27.0 percent.
• People (Age 40-64) : The number of people (age 40-64) is 22,425.
• Rank within US : This county is ranked 2966 of 3143

Imperial County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 27.1 percent.
• People (Age 40-64) : The number of people (age 40-64) is 48,627.
• Rank within US : This county is ranked 2954 of 3143

Merced County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 27.2 percent.
• People (Age 40-64) : The number of people (age 40-64) is 77,589.
• Rank within US : This county is ranked 2945 of 3143

Tulare County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 27.2 percent.
• People (Age 40-64) : The number of people (age 40-64) is 129,271.
• Rank within US : This county is ranked 2945 of 3143

Kings County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 27.3 percent.
• People (Age 40-64) : The number of people (age 40-64) is 41,715.
• Rank within US : This county is ranked 2930 of 3143

Butte County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 27.4 percent.
• People (Age 40-64) : The number of people (age 40-64) is 57,333.
• Rank within US : This county is ranked 2923 of 3143

Modoc County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 27.5 percent.
• People (Age 40-64) : The number of people (age 40-64) is 2,379.
• Rank within US : This county is ranked 2904 of 3143

Santa Barbara County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 27.5 percent.
• People (Age 40-64) : The number of people (age 40-64) is 121,914.
• Rank within US : This county is ranked 2904 of 3143

Fresno County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 27.6 percent.
• People (Age 40-64) : The number of people (age 40-64) is 279,360.
• Rank within US : This county is ranked 2892 of 3143

Kern County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 27.7 percent.
• People (Age 40-64) : The number of people (age 40-64) is 252,370.
• Rank within US : This county is ranked 2878 of 3143

San Luis Obispo County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 28.6 percent.
• People (Age 40-64) : The number of people (age 40-64) is 80,577.
• Rank within US : This county is ranked 2758 of 3143

Madera County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 28.7 percent.
• People (Age 40-64) : The number of people (age 40-64) is 45,510.
• Rank within US : This county is ranked 2742 of 3143

Glenn County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 28.8 percent.
• People (Age 40-64) : The number of people (age 40-64) is 8,236.
• Rank within US : This county is ranked 2723 of 3143

Stanislaus County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 29.2 percent.
• People (Age 40-64) : The number of people (age 40-64) is 161,468.
• Rank within US : This county is ranked 2649 of 3143

Alpine County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 29.3 percent.
• People (Age 40-64) : The number of people (age 40-64) is 497.
• Rank within US : This county is ranked 2632 of 3143

Monterey County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 29.4 percent.
• People (Age 40-64) : The number of people (age 40-64) is 128,316.
• Rank within US : This county is ranked 2603 of 3143

Sutter County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 29.5 percent.
• People (Age 40-64) : The number of people (age 40-64) is 29,192.
• Rank within US : This county is ranked 2575 of 3143

San Benito County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 29.9 percent.
• People (Age 40-64) : The number of people (age 40-64) is 19,771.
• Rank within US : This county is ranked 2465 of 3143

Colusa County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 30.0 percent.
• People (Age 40-64) : The number of people (age 40-64) is 6,571.
• Rank within US : This county is ranked 2437 of 3143

San Bernardino County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 30.0 percent.
• People (Age 40-64) : The number of people (age 40-64) is 656,076.
• Rank within US : This county is ranked 2437 of 3143

Humboldt County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 30.1 percent.
• People (Age 40-64) : The number of people (age 40-64) is 40,761.
• Rank within US : This county is ranked 2408 of 3143

San Joaquin County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 30.1 percent.
• People (Age 40-64) : The number of people (age 40-64) is 236,694.
• Rank within US : This county is ranked 2408 of 3143

Tehama County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 30.2 percent.
• People (Age 40-64) : The number of people (age 40-64) is 19,804.
• Rank within US : This county is ranked 2378 of 3143

Mendocino County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 30.5 percent.
• People (Age 40-64) : The number of people (age 40-64) is 27,640.
• Rank within US : This county is ranked 2275 of 3143

Riverside County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 30.5 percent.
• People (Age 40-64) : The number of people (age 40-64) is 746,710.
• Rank within US : This county is ranked 2275 of 3143

San Diego County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 30.7 percent.
• People (Age 40-64) : The number of people (age 40-64) is 1,007,595.
• Rank within US : This county is ranked 2187 of 3143

Siskiyou County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 30.8 percent.
• People (Age 40-64) : The number of people (age 40-64) is 13,484.
• Rank within US : This county is ranked 2137 of 3143

Sacramento County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 31.0 percent.
• People (Age 40-64) : The number of people (age 40-64) is 490,577.
• Rank within US : This county is ranked 2056 of 3143

Del Norte County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 31.1 percent.
• People (Age 40-64) : The number of people (age 40-64) is 8,481.
• Rank within US : This county is ranked 2018 of 3143

Plumas County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 31.2 percent.
• People (Age 40-64) : The number of people (age 40-64) is 6,117.
• Rank within US : This county is ranked 1974 of 3143

Santa Cruz County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 31.2 percent.
• People (Age 40-64) : The number of people (age 40-64) is 83,066.
• Rank within US : This county is ranked 1974 of 3143

Shasta County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 31.2 percent.
• People (Age 40-64) : The number of people (age 40-64) is 56,557.
• Rank within US : This county is ranked 1974 of 3143

Lake County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 31.3 percent.
• People (Age 40-64) : The number of people (age 40-64) is 21,341.
• Rank within US : This county is ranked 1932 of 3143

Lassen County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 31.4 percent.
• People (Age 40-64) : The number of people (age 40-64) is 9,801.
• Rank within US : This county is ranked 1882 of 3143

Solano County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 31.7 percent.
• People (Age 40-64) : The number of people (age 40-64) is 142,904.
• Rank within US : This county is ranked 1713 of 3143

Tuolumne County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 31.7 percent.
• People (Age 40-64) : The number of people (age 40-64) is 17,396.
• Rank within US : This county is ranked 1713 of 3143

Nevada County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 32.3 percent.
• People (Age 40-64) : The number of people (age 40-64) is 33,082.
• Rank within US : This county is ranked 1399 of 3143

San Francisco County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 32.3 percent.
• People (Age 40-64) : The number of people (age 40-64) is 270,191.
• Rank within US : This county is ranked 1399 of 3143

Los Angeles County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 32.4 percent.
• People (Age 40-64) : The number of people (age 40-64) is 3,186,070.
• Rank within US : This county is ranked 1331 of 3143

Santa Clara County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 32.4 percent.
• People (Age 40-64) : The number of people (age 40-64) is 616,517.
• Rank within US : This county is ranked 1331 of 3143

Ventura County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 32.4 percent.
• People (Age 40-64) : The number of people (age 40-64) is 271,812.
• Rank within US : This county is ranked 1331 of 3143

Napa County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 32.6 percent.
• People (Age 40-64) : The number of people (age 40-64) is 44,408.
• Rank within US : This county is ranked 1200 of 3143

Sonoma County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 32.9 percent.
• People (Age 40-64) : The number of people (age 40-64) is 159,715.
• Rank within US : This county is ranked 1052 of 3143

Alameda County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 33.1 percent.
• People (Age 40-64) : The number of people (age 40-64) is 546,028.
• Rank within US : This county is ranked 943 of 3143

Inyo County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 33.1 percent.
• People (Age 40-64) : The number of people (age 40-64) is 6,224.
• Rank within US : This county is ranked 943 of 3143

Orange County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 33.1 percent.
• People (Age 40-64) : The number of people (age 40-64) is 1,045,862.
• Rank within US : This county is ranked 943 of 3143

Calaveras County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 33.3 percent.
• People (Age 40-64) : The number of people (age 40-64) is 15,339.
• Rank within US : This county is ranked 829 of 3143

Placer County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 33.3 percent.
• People (Age 40-64) : The number of people (age 40-64) is 137,218.
• Rank within US : This county is ranked 829 of 3143

San Mateo County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 33.6 percent.
• People (Age 40-64) : The number of people (age 40-64) is 250,187.
• Rank within US : This county is ranked 686 of 3143

Amador County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 33.7 percent.
• People (Age 40-64) : The number of people (age 40-64) is 13,837.
• Rank within US : This county is ranked 638 of 3143

Mariposa County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 33.7 percent.
• People (Age 40-64) : The number of people (age 40-64) is 5,752.
• Rank within US : This county is ranked 638 of 3143

Contra Costa County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 33.8 percent.
• People (Age 40-64) : The number of people (age 40-64) is 392,487.
• Rank within US : This county is ranked 586 of 3143

El Dorado County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 34.3 percent.
• People (Age 40-64) : The number of people (age 40-64) is 66,045.
• Rank within US : This county is ranked 414 of 3143

Mono County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 34.3 percent.
• People (Age 40-64) : The number of people (age 40-64) is 4,516.
• Rank within US : This county is ranked 414 of 3143

Trinity County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 35.5 percent.
• People (Age 40-64) : The number of people (age 40-64) is 5,636.
• Rank within US : This county is ranked 171 of 3143

Marin County

• 2023 Rural-Urban Continuum Codes Φ : Urban
• Value (Percent) : The value is 36.2 percent.
• People (Age 40-64) : The number of people (age 40-64) is 93,702.
• Rank within US : This county is ranked 101 of 3143

Sierra County

• 2023 Rural-Urban Continuum Codes Φ : Rural
• Value (Percent) : The value is 36.4 percent.
• People (Age 40-64) : The number of people (age 40-64) is 995.
• Rank within US : This county is ranked 90 of 3143

Notes:
Created by statecancerprofiles.cancer.gov on 03/15/2026 3:49 am.

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 40-64, see the dictionary.

Data for United States does not include Puerto Rico.