RANKING · 2020 CENSUS · 58 SHOWN OF 58

Largest Portuguese population, California counties · 2020

California counties ranked by the number of residents who are Portuguese ancestry, from the 2020 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 58 counties in California that qualify, ranked against each other statewide.

Portuguese Americans: full group profile →

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SAME RANKING BYCities States Metros

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

YEAR2010 2020 2024

RANKPLACESTATEPOPPORTUGUESE POPULATIONVS 2010

01Alameda County, CACA1,636,63024,732−25%

02Sacramento County, CACA1,618,46022,315−13%

03Los Angeles County, CACA9,694,93422,068−4%

04Stanislaus County, CACA557,71922,062−12%

05Santa Clara County, CACA1,914,39121,572−23%

06San Diego County, CACA3,282,24819,603−8%

07Contra Costa County, CACA1,170,07017,759−21%

08San Joaquin County, CACA823,81517,308−8%

09Merced County, CACA297,26014,724+5%

10Fresno County, CACA1,035,45611,599−1%

11Tulare County, CACA485,14610,466+8%

12Orange County, CACA3,149,50710,251−9%

13Riverside County, CACA2,544,9168,397−0%

14Sonoma County, CACA486,4448,375−7%

15Placer County, CACA442,0817,140+5%

16San Mateo County, CACA743,5686,504+11%

17San Bernardino County, CACA2,224,0916,395−23%

18Kings County, CACA154,3276,385+1%

19San Luis Obispo County, CACA282,3675,727−7%

20Solano County, CACA455,3765,042−12%

21Santa Cruz County, CACA258,8524,951−17%

22San Francisco County, CACA826,0794,219−6%

23El Dorado County, CACA192,3234,004+9%

24Monterey County, CACA433,7293,924−24%

25Santa Barbara County, CACA442,0653,523−22%

26Butte County, CACA209,2113,375−33%

27Ventura County, CACA830,8513,213−16%

28Humboldt County, CACA131,6473,193−3%

29Kern County, CACA927,0683,050−24%

30Marin County, CACA253,6942,897−11%

31Shasta County, CACA181,6482,714+10%

32Yolo County, CACA224,4102,696−1%

33Madera County, CACA167,9272,615−4%

34Napa County, CACA132,9491,647−28%

35Mendocino County, CACA88,1221,616−9%

36Yuba County, CACA88,6911,543+16%

37San Benito County, CACA70,0821,466−15%

38Nevada County, CACA101,9111,462−28%

39Calaveras County, CACA46,6051,442+19%

40Siskiyou County, CACA42,0131,394+13%

41Tuolumne County, CACA53,1601,306−21%

42Sutter County, CACA98,7871,287−25%

43Amador County, CACA41,8761,040+10%

44Lake County, CACA67,7721,036−44%

45Glenn County, CACA28,141984−4%

46Tehama County, CACA64,665839−38%

47Del Norte County, CACA26,410780+461%

48Colusa County, CACA21,836606+32%

49Lassen County, CACA28,117415−30%

50Plumas County, CACA18,583381+38%

51Mariposa County, CACA16,918349+16%

52Imperial County, CACA181,411279+57%

53Trinity County, CACA15,720241+36%

54Mono County, CACA12,505173+151%

55Modoc County, CACA8,42659−61%

56Sierra County, CACA3,09848−47%

57Inyo County, CACA18,15816−88%

58Alpine County, CACA1,0434+0%

SHOWING 1–58 OF 58

Download CSV (full list, 58 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS