RANKING · 2010 CENSUS · 57 SHOWN OF 57

Highest Spaniard population share, California counties · 2010

California counties ranked by the share of all residents who are Spaniard origin (2010 American Community Survey). A concentration measure: Spaniard residents as a percentage of total population. This list covers the 57 counties in California that qualify, ranked against each other statewide. The median across all 57 is 0.3%.

Spaniard Americans: full group profile →

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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 SHAREVS –

01Sierra County, CACA3,0981.0%–

02Calaveras County, CACA46,6050.7%–

03Yolo County, CACA224,4100.6%–

04San Luis Obispo County, CACA282,3670.6%–

05Mariposa County, CACA16,9180.6%–

06Inyo County, CACA18,1580.5%–

07Shasta County, CACA181,6480.5%–

08Placer County, CACA442,0810.5%–

09San Joaquin County, CACA823,8150.5%–

10Contra Costa County, CACA1,170,0700.4%–

11Tuolumne County, CACA53,1600.4%–

12San Benito County, CACA70,0820.4%–

13Siskiyou County, CACA42,0130.4%–

14Monterey County, CACA433,7290.4%–

15Plumas County, CACA18,5830.4%–

16Colusa County, CACA21,8360.4%–

17Santa Cruz County, CACA258,8520.4%–

18Lake County, CACA67,7720.4%–

19Del Norte County, CACA26,4100.4%–

20Solano County, CACA455,3760.4%–

21San Mateo County, CACA743,5680.4%–

22Nevada County, CACA101,9110.4%–

23San Bernardino County, CACA2,224,0910.4%–

24Yuba County, CACA88,6910.4%–

25Mendocino County, CACA88,1220.3%–

26El Dorado County, CACA192,3230.3%–

27Santa Clara County, CACA1,914,3910.3%–

28Trinity County, CACA15,7200.3%–

29San Francisco County, CACA826,0790.3%–

30Riverside County, CACA2,544,9160.3%–

31San Diego County, CACA3,282,2480.3%–

32Sacramento County, CACA1,618,4600.3%–

33Alameda County, CACA1,636,6300.3%–

34Ventura County, CACA830,8510.3%–

35Santa Barbara County, CACA442,0650.3%–

36Amador County, CACA41,8760.3%–

37Kern County, CACA927,0680.3%–

38Stanislaus County, CACA557,7190.3%–

39Butte County, CACA209,2110.3%–

40Madera County, CACA167,9270.3%–

41Napa County, CACA132,9490.3%–

42Fresno County, CACA1,035,4560.3%–

43Merced County, CACA297,2600.2%–

44Marin County, CACA253,6940.2%–

45Orange County, CACA3,149,5070.2%–

46Los Angeles County, CACA9,694,9340.2%–

47Sutter County, CACA98,7870.2%–

48Kings County, CACA154,3270.2%–

49Sonoma County, CACA486,4440.2%–

50Tehama County, CACA64,6650.2%–

51Lassen County, CACA28,1170.2%–

52Glenn County, CACA28,1410.2%–

53Humboldt County, CACA131,6470.1%–

54Tulare County, CACA485,1460.1%–

55Imperial County, CACA181,4110.1%–

56Modoc County, CACA8,4260.1%–

57Mono County, CACA12,5050.1%–

SHOWING 1–57 OF 57

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS