RANKING · 2024 ACS · 56 SHOWN OF 56

Largest South American population, California counties

California counties ranked by the number of residents who are South American origin, from the 2024 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 56 counties in California that qualify, ranked against each other statewide.

South 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

RANKPLACESTATEPOPSOUTH AMERICAN POPULATIONVS 2010

01Los Angeles County, CACA9,694,934152,527+25%

02Orange County, CACA3,149,50743,384+47%

03San Diego County, CACA3,282,24833,735+105%

04Santa Clara County, CACA1,914,39125,468+90%

05Riverside County, CACA2,544,91624,881+78%

06San Bernardino County, CACA2,224,09123,041+36%

07Alameda County, CACA1,636,63018,763+85%

08Contra Costa County, CACA1,170,07018,014+74%

09San Mateo County, CACA743,56813,462+55%

10San Francisco County, CACA826,07912,985+65%

11Sacramento County, CACA1,618,46010,193+95%

12Ventura County, CACA830,8518,335+31%

13Kern County, CACA927,0684,792+81%

14Marin County, CACA253,6944,650+90%

15Santa Barbara County, CACA442,0654,000+89%

16San Joaquin County, CACA823,8153,971+37%

17Sonoma County, CACA486,4443,709+131%

18Solano County, CACA455,3763,532+121%

19Fresno County, CACA1,035,4563,482+31%

20Placer County, CACA442,0813,422+421%

21Monterey County, CACA433,7293,169+85%

22Yolo County, CACA224,4102,375+94%

23Santa Cruz County, CACA258,8521,812+32%

24Stanislaus County, CACA557,7191,734+22%

25Tulare County, CACA485,1461,574+181%

26San Luis Obispo County, CACA282,3671,349+33%

27Napa County, CACA132,9491,335+83%

28El Dorado County, CACA192,3231,108+31%

29Butte County, CACA209,211694+22%

30Humboldt County, CACA131,647649+265%

31Merced County, CACA297,260634−8%

32Tuolumne County, CACA53,160602+625%

33Mendocino County, CACA88,122552+922%

34San Benito County, CACA70,082517+75%

35Amador County, CACA41,876450+900%

36Nevada County, CACA101,911450+592%

37Kings County, CACA154,327401+82%

38Shasta County, CACA181,648391+29%

39Imperial County, CACA181,411341+33%

40Tehama County, CACA64,665314–

41Lake County, CACA67,772308+135%

42Yuba County, CACA88,691291+310%

43Madera County, CACA167,927287+67%

44Sutter County, CACA98,787271+57%

45Inyo County, CACA18,158170+359%

46Calaveras County, CACA46,60583+655%

47Siskiyou County, CACA42,01378+105%

48Del Norte County, CACA26,41072+227%

49Modoc County, CACA8,42662–

50Mariposa County, CACA16,91857+6%

51Alpine County, CACA1,04339–

52Plumas County, CACA18,58337+118%

53Trinity County, CACA15,72029–

54Lassen County, CACA28,11724−54%

55Mono County, CACA12,5058–

56Glenn County, CACA28,1417−95%

SHOWING 1–56 OF 56

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES