RANKING · 2024 ACS · 56 SHOWN OF 56

Highest South American population share, California counties

California counties ranked by the share of all residents who are South American origin (2024 American Community Survey). A concentration measure: South American residents as a percentage of total population. This list covers the 56 counties in California that qualify, ranked against each other statewide. The median across all 56 is 0.6%. Biggest climber in the top 100 since 2020: Amador County, CA, up 28 places to #11.

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SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPSOUTH AMERICAN SHAREVS 2010

01Alpine County, CACA1,0432.4%–

02San Mateo County, CACA743,5681.8%+0.6 pts

03▲1Marin County, CACA253,6941.8%+0.8 pts

04▲3San Francisco County, CACA826,0791.6%+0.6 pts

05▲1Los Angeles County, CACA9,694,9341.6%+0.3 pts

06▼1Contra Costa County, CACA1,170,0701.5%+0.5 pts

07▲1Orange County, CACA3,149,5071.4%+0.4 pts

08▲2Santa Clara County, CACA1,914,3911.3%+0.6 pts

09▲6Alameda County, CACA1,636,6301.1%+0.5 pts

10▼7Tuolumne County, CACA53,1601.1%+1.0 pts

11▲28Amador County, CACA41,8761.1%+1.0 pts

12▼3Yolo County, CACA224,4101.1%+0.5 pts

13▼1San Bernardino County, CACA2,224,0911.0%+0.2 pts

14▲2San Diego County, CACA3,282,2481.0%+0.5 pts

15▼2Riverside County, CACA2,544,9161.0%+0.3 pts

16▼5Ventura County, CACA830,8511.0%+0.2 pts

17▲6Napa County, CACA132,9491.0%+0.4 pts

18▲19Inyo County, CACA18,1580.9%+0.7 pts

19▼5Santa Barbara County, CACA442,0650.9%+0.4 pts

20▼3Placer County, CACA442,0810.8%+0.6 pts

21▼3Solano County, CACA455,3760.8%+0.4 pts

22▼3San Benito County, CACA70,0820.8%+0.2 pts

23▼1Sonoma County, CACA486,4440.8%+0.4 pts

24▼4Monterey County, CACA433,7290.7%+0.3 pts

25▲21Modoc County, CACA8,4260.7%–

26▼5Santa Cruz County, CACA258,8520.7%+0.2 pts

27▼3Sacramento County, CACA1,618,4600.6%+0.3 pts

28▼2Mendocino County, CACA88,1220.6%+0.5 pts

29▼2El Dorado County, CACA192,3230.6%+0.1 pts

30▲1Kern County, CACA927,0680.5%+0.2 pts

31▼1San Joaquin County, CACA823,8150.5%+0.1 pts

32▼7Humboldt County, CACA131,6470.5%+0.3 pts

33▲19Tehama County, CACA64,6650.5%–

34▼6San Luis Obispo County, CACA282,3670.5%+0.1 pts

35▲9Lake County, CACA67,7720.5%+0.2 pts

36▲4Nevada County, CACA101,9110.4%+0.4 pts

37▼3Yuba County, CACA88,6910.3%+0.2 pts

38Fresno County, CACA1,035,4560.3%+0.1 pts

39▲9Butte County, CACA209,2110.3%+0.1 pts

40▲9Mariposa County, CACA16,9180.3%0.0 pts

41Tulare County, CACA485,1460.3%+0.2 pts

42▼10Stanislaus County, CACA557,7190.3%0.0 pts

43▲8Sutter County, CACA98,7870.3%+0.1 pts

44▼2Del Norte County, CACA26,4100.3%+0.2 pts

45▼2Kings County, CACA154,3270.3%+0.1 pts

46▼10Merced County, CACA297,2600.2%−0.1 pts

47▼12Shasta County, CACA181,6480.2%0.0 pts

48▼3Plumas County, CACA18,5830.2%+0.1 pts

49▼20Imperial County, CACA181,4110.2%0.0 pts

50Trinity County, CACA15,7200.2%–

51▼1Calaveras County, CACA46,6050.2%+0.2 pts

52▼19Siskiyou County, CACA42,0130.2%+0.1 pts

53▼6Madera County, CACA167,9270.2%+0.1 pts

54Lassen County, CACA28,1170.1%−0.1 pts

55Mono County, CACA12,5050.1%–

56▼3Glenn County, CACA28,1410.0%−0.4 pts

SHOWING 1–56 OF 56

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