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. The median across all 45 is 0.1%. Biggest climber in the top 100 since 2020: Humboldt County, CA, up 29 places to #15.

Brazilian Americans: full group profile →

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SAME RANKING BYCities States Metros

YEAR2010 2020 2024

Highest Brazilian population share by state

RANKPLACESTATEPOPBRAZILIAN SHAREVS 2010

01▲1Marin County, CACA253,6940.5%+0.3 pts

02▲1San Mateo County, CACA743,5680.4%+0.1 pts

03▲1Contra Costa County, CACA1,170,0700.3%+0.1 pts

04▲10Yolo County, CACA224,4100.3%+0.2 pts

05San Francisco County, CACA826,0790.2%0.0 pts

06▲3Shasta County, CACA181,6480.2%+0.2 pts

07▲1San Diego County, CACA3,282,2480.2%+0.1 pts

08▲3Santa Clara County, CACA1,914,3910.2%+0.1 pts

09Inyo County, CACA18,1580.2%–

10▼4Santa Cruz County, CACA258,8520.2%0.0 pts

11▼1Alameda County, CACA1,636,6300.1%+0.1 pts

12▲1Los Angeles County, CACA9,694,9340.1%+0.1 pts

13▲4Orange County, CACA3,149,5070.1%0.0 pts

14▲4Solano County, CACA455,3760.1%+0.1 pts

15▲29Humboldt County, CACA131,6470.1%0.0 pts

16▲7Sonoma County, CACA486,4440.1%+0.1 pts

17▲26Siskiyou County, CACA42,0130.1%0.0 pts

18▲7Monterey County, CACA433,7290.1%0.0 pts

19▲3Sacramento County, CACA1,618,4600.1%+0.1 pts

20▲12Stanislaus County, CACA557,7190.1%0.0 pts

21Mendocino County, CACA88,1220.1%0.0 pts

22▼1Nevada County, CACA101,9110.1%+0.1 pts

23▲4Riverside County, CACA2,544,9160.1%0.0 pts

24▼12Santa Barbara County, CACA442,0650.1%0.0 pts

25▲1San Luis Obispo County, CACA282,3670.1%0.0 pts

26▼6Ventura County, CACA830,8510.1%0.0 pts

27▲8Placer County, CACA442,0810.1%0.0 pts

28Lake County, CACA67,7720.0%–

29Yuba County, CACA88,6910.0%0.0 pts

30▼2San Joaquin County, CACA823,8150.0%0.0 pts

31▼15Madera County, CACA167,9270.0%–

32▼2San Bernardino County, CACA2,224,0910.0%0.0 pts

33▲3Kings County, CACA154,3270.0%0.0 pts

34▼1Merced County, CACA297,2600.0%0.0 pts

35▼6El Dorado County, CACA192,3230.0%0.0 pts

36Lassen County, CACA28,1170.0%–

37▲5Fresno County, CACA1,035,4560.0%0.0 pts

38Kern County, CACA927,0680.0%0.0 pts

39▼15Napa County, CACA132,9490.0%0.0 pts

40▼25Amador County, CACA41,8760.0%–

41▼4Tulare County, CACA485,1460.0%0.0 pts

42▼1Butte County, CACA209,2110.0%0.0 pts

43▼3Colusa County, CACA21,8360.0%–

44▼10Sutter County, CACA98,7870.0%−0.1 pts

45▼6Imperial County, CACA181,4110.0%–

SHOWING 1–45 OF 45

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