RANKING · 2010 CENSUS · 58 SHOWN OF 58

Largest Mexican population, California counties · 2010

California counties ranked by the number of residents who are Mexican 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 58 counties in California that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros

RELATEDHighest Mexican population share Largest Puerto Rican population Highest Puerto Rican population share Largest Cuban population Highest Cuban population share Largest Dominican population

YEAR2010 2020 2024

RANKPLACESTATEPOPMEXICAN POPULATIONVS 2000

01Los Angeles County, CACA9,694,9343,541,205–

02Orange County, CACA3,149,507845,283–

03San Diego County, CACA3,282,248843,391–

04San Bernardino County, CACA2,224,091830,124–

05Riverside County, CACA2,544,916826,515–

06Fresno County, CACA1,035,456419,172–

07Santa Clara County, CACA1,914,391385,430–

08Kern County, CACA927,068354,538–

09Ventura County, CACA830,851283,648–

10Alameda County, CACA1,636,630245,236–

11Tulare County, CACA485,146244,611–

12Sacramento County, CACA1,618,460239,368–

13San Joaquin County, CACA823,815225,143–

14Monterey County, CACA433,729202,558–

15Stanislaus County, CACA557,719190,793–

16Contra Costa County, CACA1,170,070171,731–

17Santa Barbara County, CACA442,065156,247–

18Imperial County, CACA181,411129,344–

19Merced County, CACA297,260126,402–

20San Mateo County, CACA743,568112,535–

21Sonoma County, CACA486,44498,653–

22Solano County, CACA455,37675,441–

23Madera County, CACA167,92772,460–

24Santa Cruz County, CACA258,85272,279–

25Kings County, CACA154,32770,141–

26San Francisco County, CACA826,07961,741–

27Yolo County, CACA224,41049,157–

28San Luis Obispo County, CACA282,36744,791–

29Napa County, CACA132,94936,495–

30Placer County, CACA442,08131,187–

31San Benito County, CACA70,08227,786–

32Butte County, CACA209,21124,788–

33Sutter County, CACA98,78723,767–

34Marin County, CACA253,69418,665–

35Mendocino County, CACA88,12216,753–

36El Dorado County, CACA192,32316,078–

37Yuba County, CACA88,69115,307–

38Tehama County, CACA64,66511,522–

39Shasta County, CACA181,64810,530–

40Humboldt County, CACA131,64710,231–

41Colusa County, CACA21,83610,139–

42Glenn County, CACA28,1419,287–

43Lake County, CACA67,7728,841–

44Nevada County, CACA101,9116,196–

45Lassen County, CACA28,1174,914–

46Tuolumne County, CACA53,1604,789–

47Del Norte County, CACA26,4104,372–

48Calaveras County, CACA46,6053,900–

49Siskiyou County, CACA42,0133,778–

50Amador County, CACA41,8763,560–

51Inyo County, CACA18,1582,930–

52Mono County, CACA12,5052,786–

53Plumas County, CACA18,5831,425–

54Mariposa County, CACA16,9181,379–

55Modoc County, CACA8,4261,132–

56Trinity County, CACA15,720708–

57Sierra County, CACA3,098207–

58Alpine County, CACA1,04321–

SHOWING 1–58 OF 58

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