RANKING · 2010 CENSUS · 41 SHOWN OF 41

Highest Brazilian population share, California counties · 2010

California counties ranked by the share of all residents who are Brazilian ancestry (2010 American Community Survey). A concentration measure: Brazilian residents as a percentage of total population. This list covers the 41 counties in California that qualify, ranked against each other statewide. The median across all 41 is 0.1%.

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 –

01Marin County, CACA253,6940.3%–

02San Mateo County, CACA743,5680.3%–

03Contra Costa County, CACA1,170,0700.2%–

04San Francisco County, CACA826,0790.2%–

05Glenn County, CACA28,1410.2%–

06Santa Cruz County, CACA258,8520.1%–

07San Diego County, CACA3,282,2480.1%–

08Sutter County, CACA98,7870.1%–

09Monterey County, CACA433,7290.1%–

10Alameda County, CACA1,636,6300.1%–

11Orange County, CACA3,149,5070.1%–

12Los Angeles County, CACA9,694,9340.1%–

13Santa Clara County, CACA1,914,3910.1%–

14Placer County, CACA442,0810.1%–

15Mendocino County, CACA88,1220.1%–

16Del Norte County, CACA26,4100.1%–

17Solano County, CACA455,3760.1%–

18Ventura County, CACA830,8510.1%–

19San Joaquin County, CACA823,8150.1%–

20Riverside County, CACA2,544,9160.1%–

21Santa Barbara County, CACA442,0650.1%–

22Fresno County, CACA1,035,4560.1%–

23San Luis Obispo County, CACA282,3670.1%–

24Yolo County, CACA224,4100.1%–

25Siskiyou County, CACA42,0130.0%–

26Merced County, CACA297,2600.0%–

27Yuba County, CACA88,6910.0%–

28Humboldt County, CACA131,6470.0%–

29Butte County, CACA209,2110.0%–

30San Bernardino County, CACA2,224,0910.0%–

31Stanislaus County, CACA557,7190.0%–

32Sonoma County, CACA486,4440.0%–

33El Dorado County, CACA192,3230.0%–

34Sacramento County, CACA1,618,4600.0%–

35Napa County, CACA132,9490.0%–

36Kern County, CACA927,0680.0%–

37Shasta County, CACA181,6480.0%–

38Kings County, CACA154,3270.0%–

39Tulare County, CACA485,1460.0%–

40Nevada County, CACA101,9110.0%–

41Tuolumne County, CACA53,1600.0%–

SHOWING 1–41 OF 41

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS