RANKING · 2010 CENSUS · 58 SHOWN OF 58

Largest Portuguese population, California counties · 2010

California counties ranked by the number of residents who are Portuguese ancestry, from the 2010 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. The median across all 58 is 3,289.

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 –

01Alameda County, CACA1,636,63033,159–

02Santa Clara County, CACA1,914,39128,134–

03Sacramento County, CACA1,618,46025,617–

04Stanislaus County, CACA557,71925,199–

05Los Angeles County, CACA9,694,93423,003–

06Contra Costa County, CACA1,170,07022,363–

07San Diego County, CACA3,282,24821,235–

08San Joaquin County, CACA823,81518,821–

09Merced County, CACA297,26013,998–

10Fresno County, CACA1,035,45611,721–

11Orange County, CACA3,149,50711,274–

12Tulare County, CACA485,1469,668–

13Sonoma County, CACA486,4449,049–

14Riverside County, CACA2,544,9168,421–

15San Bernardino County, CACA2,224,0918,296–

16Placer County, CACA442,0816,782–

17Kings County, CACA154,3276,338–

18San Luis Obispo County, CACA282,3676,139–

19Santa Cruz County, CACA258,8525,936–

20San Mateo County, CACA743,5685,842–

21Solano County, CACA455,3765,745–

22Monterey County, CACA433,7295,168–

23Butte County, CACA209,2115,059–

24Santa Barbara County, CACA442,0654,510–

25San Francisco County, CACA826,0794,473–

26Kern County, CACA927,0684,029–

27Ventura County, CACA830,8513,811–

28El Dorado County, CACA192,3233,685–

29Humboldt County, CACA131,6473,289–

30Marin County, CACA253,6943,242–

31Yolo County, CACA224,4102,715–

32Madera County, CACA167,9272,710–

33Shasta County, CACA181,6482,459–

34Napa County, CACA132,9492,283–

35Nevada County, CACA101,9112,037–

36Lake County, CACA67,7721,834–

37Mendocino County, CACA88,1221,785–

38San Benito County, CACA70,0821,734–

39Sutter County, CACA98,7871,717–

40Tuolumne County, CACA53,1601,644–

41Tehama County, CACA64,6651,362–

42Yuba County, CACA88,6911,328–

43Siskiyou County, CACA42,0131,229–

44Calaveras County, CACA46,6051,216–

45Glenn County, CACA28,1411,026–

46Amador County, CACA41,876942–

47Lassen County, CACA28,117595–

48Colusa County, CACA21,836460–

49Mariposa County, CACA16,918302–

50Plumas County, CACA18,583277–

51Imperial County, CACA181,411178–

52Trinity County, CACA15,720177–

53Modoc County, CACA8,426153–

54Del Norte County, CACA26,410139–

55Inyo County, CACA18,158131–

56Sierra County, CACA3,09890–

57Mono County, CACA12,50569–

58Alpine County, CACA1,0434–

SHOWING 1–58 OF 58

Download CSV (full list, 58 rows)

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