RANKING · 2024 ACS · 45 SHOWN OF 45

Highest Brazilian population share, California counties

California counties ranked by the share of all residents who are Brazilian ancestry (2024 American Community Survey). A concentration measure: Brazilian residents as a percentage of total population. This list covers the 45 counties in California that qualify, ranked against each other statewide.

Brazilian Americans: full group profile →

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RELATEDLargest American population Highest American population share Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share

YEAR2010 2020 2024

Highest Brazilian population share by state

RANKPLACESTATEPOPBRAZILIAN SHAREVS 2010

01Marin County, CACA253,6940.5%+86%

02San Mateo County, CACA743,5680.4%+52%

03Contra Costa County, CACA1,170,0700.3%+31%

04Yolo County, CACA224,4100.3%+421%

05San Francisco County, CACA826,0790.2%+24%

06Shasta County, CACA181,6480.2%+842%

07San Diego County, CACA3,282,2480.2%+78%

08Santa Clara County, CACA1,914,3910.2%+149%

09Inyo County, CACA18,1580.2%–

10Santa Cruz County, CACA258,8520.2%+11%

11Alameda County, CACA1,636,6300.1%+59%

12Los Angeles County, CACA9,694,9340.1%+66%

13Orange County, CACA3,149,5070.1%+51%

14Solano County, CACA455,3760.1%+83%

15Humboldt County, CACA131,6470.1%+109%

16Sonoma County, CACA486,4440.1%+134%

17Siskiyou County, CACA42,0130.1%+87%

18Monterey County, CACA433,7290.1%−9%

19Sacramento County, CACA1,618,4600.1%+170%

20Stanislaus County, CACA557,7190.1%+96%

21Mendocino County, CACA88,1220.1%−5%

22Nevada County, CACA101,9110.1%+295%

23Riverside County, CACA2,544,9160.1%+14%

24Santa Barbara County, CACA442,0650.1%+14%

25San Luis Obispo County, CACA282,3670.1%+17%

26Ventura County, CACA830,8510.1%−9%

27Placer County, CACA442,0810.1%−30%

28Lake County, CACA67,7720.0%–

29Yuba County, CACA88,6910.0%−3%

30San Joaquin County, CACA823,8150.0%−20%

31Madera County, CACA167,9270.0%–

32San Bernardino County, CACA2,224,0910.0%+9%

33Kings County, CACA154,3270.0%+62%

34Merced County, CACA297,2600.0%−24%

35El Dorado County, CACA192,3230.0%−6%

36Lassen County, CACA28,1170.0%–

37Fresno County, CACA1,035,4560.0%−55%

38Kern County, CACA927,0680.0%−9%

39Napa County, CACA132,9490.0%−25%

40Amador County, CACA41,8760.0%–

41Tulare County, CACA485,1460.0%−26%

42Butte County, CACA209,2110.0%−70%

43Colusa County, CACA21,8360.0%–

44Sutter County, CACA98,7870.0%−97%

45Imperial County, CACA181,4110.0%–

SHOWING 1–45 OF 45

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UPDATED 2026-07-05 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES