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. The median across all 56 is 1,108. Biggest climber in the top 100 since 2020: Tehama County, CA, up 10 places to #40.

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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%

04▲2Santa Clara County, CACA1,914,39125,468+90%

05▼1Riverside County, CACA2,544,91624,881+78%

06▼1San Bernardino County, CACA2,224,09123,041+36%

07▲1Alameda County, CACA1,636,63018,763+85%

08▼1Contra Costa County, CACA1,170,07018,014+74%

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

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

11▲1Sacramento County, CACA1,618,46010,193+95%

12▼1Ventura County, CACA830,8518,335+31%

13▲6Kern County, CACA927,0684,792+81%

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

15▼2Santa Barbara County, CACA442,0654,000+89%

16▲1San Joaquin County, CACA823,8153,971+37%

17▲1Sonoma County, CACA486,4443,709+131%

18▼3Solano County, CACA455,3763,532+121%

19▲1Fresno County, CACA1,035,4563,482+31%

20▼4Placer County, CACA442,0813,422+421%

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

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

23▲1Santa Cruz County, CACA258,8521,812+32%

24▼1Stanislaus County, CACA557,7191,734+22%

25▲1Tulare County, CACA485,1461,574+181%

26▼1San Luis Obispo County, CACA282,3671,349+33%

27▲2Napa County, CACA132,9491,335+83%

28▼1El Dorado County, CACA192,3231,108+31%

29▲7Butte County, CACA209,211694+22%

30▲2Humboldt County, CACA131,647649+265%

31▼1Merced County, CACA297,260634−8%

32▼4Tuolumne County, CACA53,160602+625%

33▲2Mendocino County, CACA88,122552+922%

34San Benito County, CACA70,082517+75%

35▲8Amador County, CACA41,876450+900%

36▲3Nevada County, CACA101,911450+592%

37Kings County, CACA154,327401+82%

38▼5Shasta County, CACA181,648391+29%

39▼8Imperial County, CACA181,411341+33%

40▲10Tehama County, CACA64,665314–

41Lake County, CACA67,772308+135%

42▼2Yuba County, CACA88,691291+310%

43▼5Madera County, CACA167,927287+67%

44Sutter County, CACA98,787271+57%

45▲3Inyo County, CACA18,158170+359%

46▼1Calaveras County, CACA46,60583+655%

47▼5Siskiyou County, CACA42,01378+105%

48▼2Del Norte County, CACA26,41072+227%

49▲3Modoc County, CACA8,42662–

50▲1Mariposa County, CACA16,91857+6%

51▼4Alpine County, CACA1,04339–

52▼3Plumas County, CACA18,58337+118%

53Trinity County, CACA15,72029–

54Lassen County, CACA28,11724−54%

55Mono County, CACA12,5058–

56▼3Glenn County, CACA28,1417−95%

SHOWING 1–56 OF 56

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES