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California

58 counties and 1,619 townships, towns, villages and census designated places have a page.

  • Census data · ACS 2019-2023
  • 10,398 public schools
Browse countiesFind my townSponsor California
  • 39,431,263 (2024 estimate)Population
  • 58Counties
  • 1,619Towns with a page
  • 10,398Public schools
  • $96,334Median household income
  • $695,400Median home value

All 58 countiesA to Z

Counties in California
CountyPlaces with a pageLand area
Alameda County20737.5 sq mi
Alpine County5738.3 sq mi
Amador County19594.6 sq mi
Butte County301,636.5 sq mi
Calaveras County231,020.0 sq mi
Colusa County91,150.6 sq mi
Contra Costa County53716.9 sq mi
Del Norte County71,006.2 sq mi
El Dorado County141,707.8 sq mi
Fresno County455,958.6 sq mi
Glenn County51,313.9 sq mi
Humboldt County403,568.0 sq mi
Imperial County184,175.5 sq mi
Inyo County2110,197.3 sq mi
Kern County888,134.7 sq mi
Kings County111,391.0 sq mi
Lake County151,255.1 sq mi
Lassen County164,541.4 sq mi
Los Angeles County1424,060.3 sq mi
Madera County172,136.7 sq mi
Marin County31520.1 sq mi
Mariposa County171,448.8 sq mi
Mendocino County233,506.8 sq mi
Merced County241,938.0 sq mi
Modoc County133,948.2 sq mi
Mono County183,048.9 sq mi
Monterey County293,281.7 sq mi
Napa County11752.0 sq mi
Nevada County14957.8 sq mi
Orange County47793.2 sq mi
Placer County221,407.4 sq mi
Plumas County462,553.1 sq mi
Riverside County757,209.0 sq mi
Sacramento County35965.4 sq mi
San Benito County51,388.7 sq mi
San Bernardino County5220,068.4 sq mi
San Diego County574,210.9 sq mi
San Francisco County146.7 sq mi
San Joaquin County281,392.3 sq mi
San Luis Obispo County303,300.8 sq mi
San Mateo County33448.6 sq mi
Santa Barbara County282,733.9 sq mi
Santa Clara County241,291.1 sq mi
Santa Cruz County30445.1 sq mi
Shasta County323,775.7 sq mi
Sierra County11953.2 sq mi
Siskiyou County216,278.8 sq mi
Solano County11821.7 sq mi
Sonoma County381,575.3 sq mi
Stanislaus County331,496.2 sq mi
Sutter County9602.7 sq mi
Tehama County182,949.1 sq mi
Trinity County143,179.3 sq mi
Tulare County704,823.9 sq mi
Tuolumne County192,220.9 sq mi
Ventura County241,840.8 sq mi
Yolo County171,013.0 sq mi
Yuba County11632.0 sq mi

Source: Census Gazetteer 2025: counties, retrieved November 14, 2026.

Largest towns in CaliforniaCensus population estimate

California against the United StatesOfficial sources, refreshed yearly

California compared with the United States
California compared with the United States, American Community Survey 2019-2023
MeasureCaliforniaUnited States
Population39,242,785332,387,540
Median household income$96,334$78,538
Median age37.638.7
Median home value$695,400$303,400
Bachelor’s degree or higher36.5%35.0%
Foreign-born residents26.7%13.9%
Owner-occupied homes55.8%65.0%
Mean commute to work29.0 minutes26.6 minutes

Sources: American Community Survey 5-year data profile 2019–2023, state level, state 06, retrieved November 14, 2026; American Community Survey 5-year data profile 2019–2023, the United States, retrieved November 14, 2026.

Population, 2000 to 2020+16.7%
32M34M36M38M40M2000: 33,871,64820002010: 37,253,95620102020: 39,538,223202033,871,64839,538,223
Population of California at each census
CensusPopulation
200033,871,648
201037,253,956
202039,538,223

As counted at each census, within the boundaries the area had then; the current estimate is in the glance card.

Sources: Census 2000 Summary File 1: total population, state level, state 06, retrieved November 14, 2026; Census 2010 Summary File 1: total population, state level, state 06, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, state level, state 06, retrieved November 14, 2026.

Household income in California
Under $50k26.5%
$50k to $100k25.1%
$100k to $150k17.9%
$150k to $200k11.1%
$200k and over19.4%

Median household income $96,334 · Share of households by income, American Community Survey 5-year 2019-2023, table S1901.

Source: American Community Survey 5-year subject table S1901 (household income) 2019–2023, state level, state 06, retrieved November 14, 2026.

Housing tenure in California
Owner occupied
7,494,811 units
Renter occupied
5,940,036 units
Vacancy rate
7.6%

Occupied housing units by tenure and the share of all units vacant, American Community Survey 5-year 2019-2023, table DP04.

Source: American Community Survey 5-year data profile 2019–2023, state level, state 06, retrieved November 14, 2026.

Jobs by sector in California2023
Health care and social assistance2,347,305
Accommodation and food services1,788,988
Administrative and support and waste management and remediation services1,738,165
Retail trade1,702,044
Professional, scientific, and technical services1,430,821
Manufacturing1,157,201
Information891,636
Construction870,789

16,405,436 employees in 1,029,689 establishments with payroll in 2023, all sectors; employers themselves are not named in the source. County Business Patterns counts are published with noise.

Source: County Business Patterns 2023: employment by sector, state level, state 06, retrieved November 14, 2026.