RANKING · 2020 CENSUS · 55 SHOWN OF 55

Largest Spaniard population, California counties · 2020

California counties ranked by the number of residents who are Spaniard origin, from the 2023 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 55 counties in California that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros

RELATEDLargest Mexican population Highest Mexican population share Largest Puerto Rican population Highest Puerto Rican population share Largest Cuban population Highest Cuban population share

YEAR2010 2020 2024

RANKPLACESTATEPOPSPANIARD POPULATIONVS 2000

01Los Angeles County, CACA9,694,93432,710–

02San Diego County, CACA3,282,24814,304–

03Orange County, CACA3,149,50711,781–

04Riverside County, CACA2,544,91610,597–

05San Bernardino County, CACA2,224,09110,053–

06Santa Clara County, CACA1,914,3919,113–

07Sacramento County, CACA1,618,4608,983–

08Contra Costa County, CACA1,170,0707,061–

09Alameda County, CACA1,636,6306,803–

10Fresno County, CACA1,035,4565,370–

11San Mateo County, CACA743,5684,057–

12Kern County, CACA927,0683,736–

13San Joaquin County, CACA823,8153,603–

14Ventura County, CACA830,8513,402–

15San Francisco County, CACA826,0793,027–

16Solano County, CACA455,3763,012–

17Sonoma County, CACA486,4442,581–

18Placer County, CACA442,0812,329–

19Stanislaus County, CACA557,7192,118–

20San Luis Obispo County, CACA282,3671,836–

21Yolo County, CACA224,4101,718–

22Santa Barbara County, CACA442,0651,697–

23Santa Cruz County, CACA258,8521,529–

24Monterey County, CACA433,7291,460–

25Tulare County, CACA485,1461,393–

26Marin County, CACA253,6941,147–

27El Dorado County, CACA192,323975–

28Butte County, CACA209,211913–

29Shasta County, CACA181,648881–

30Yuba County, CACA88,691868–

31Imperial County, CACA181,411823–

32Napa County, CACA132,949791–

33San Benito County, CACA70,082738–

34Tuolumne County, CACA53,160647–

35Kings County, CACA154,327613–

36Humboldt County, CACA131,647552–

37Calaveras County, CACA46,605548–

38Merced County, CACA297,260532–

39Amador County, CACA41,876531–

40Sutter County, CACA98,787485–

41Madera County, CACA167,927436–

42Mendocino County, CACA88,122348–

43Lake County, CACA67,772343–

44Tehama County, CACA64,665275–

45Nevada County, CACA101,911247–

46Colusa County, CACA21,836188–

47Trinity County, CACA15,720151–

48Glenn County, CACA28,141142–

49Del Norte County, CACA26,410112–

50Lassen County, CACA28,117101–

51Siskiyou County, CACA42,01396–

52Inyo County, CACA18,15892–

53Plumas County, CACA18,58387–

54Mariposa County, CACA16,91844–

55Modoc County, CACA8,42641–

SHOWING 1–55 OF 55

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UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES