RANKING · 2020 CENSUS · 58 SHOWN OF 58

Highest Portuguese population share, California counties · 2020

California counties ranked by the share of all residents who are Portuguese ancestry (2023 American Community Survey). A concentration measure: Portuguese residents as a percentage of total population. This list covers the 58 counties in California that qualify, ranked against each other statewide.

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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 SHAREVS 2000

01Merced County, CACA297,2605.4%–

02Kings County, CACA154,3274.2%–

03Stanislaus County, CACA557,7194.0%–

04Glenn County, CACA28,1413.5%–

05Siskiyou County, CACA42,0133.2%–

06Calaveras County, CACA46,6053.1%–

07Colusa County, CACA21,8362.8%–

08Del Norte County, CACA26,4102.8%–

09Amador County, CACA41,8762.7%–

10Tuolumne County, CACA53,1602.4%–

11San Benito County, CACA70,0822.4%–

12Humboldt County, CACA131,6472.3%–

13San Joaquin County, CACA823,8152.3%–

14Tulare County, CACA485,1462.3%–

15El Dorado County, CACA192,3232.1%–

16San Luis Obispo County, CACA282,3672.0%–

17Plumas County, CACA18,5832.0%–

18Mariposa County, CACA16,9182.0%–

19Yuba County, CACA88,6912.0%–

20Trinity County, CACA15,7201.9%–

21Mendocino County, CACA88,1221.9%–

22Placer County, CACA442,0811.8%–

23Santa Cruz County, CACA258,8521.8%–

24Sonoma County, CACA486,4441.7%–

25Madera County, CACA167,9271.7%–

26Sierra County, CACA3,0981.7%–

27Lake County, CACA67,7721.6%–

28Contra Costa County, CACA1,170,0701.5%–

29Shasta County, CACA181,6481.5%–

30Butte County, CACA209,2111.5%–

31Alameda County, CACA1,636,6301.5%–

32Nevada County, CACA101,9111.5%–

33Sacramento County, CACA1,618,4601.5%–

34Lassen County, CACA28,1171.4%–

35Sutter County, CACA98,7871.3%–

36Tehama County, CACA64,6651.3%–

37Yolo County, CACA224,4101.2%–

38Mono County, CACA12,5051.2%–

39Napa County, CACA132,9491.2%–

40Fresno County, CACA1,035,4561.2%–

41Solano County, CACA455,3761.1%–

42Santa Clara County, CACA1,914,3911.1%–

43Marin County, CACA253,6941.1%–

44Monterey County, CACA433,7290.9%–

45San Mateo County, CACA743,5680.8%–

46Santa Barbara County, CACA442,0650.8%–

47Modoc County, CACA8,4260.7%–

48San Diego County, CACA3,282,2480.6%–

49San Francisco County, CACA826,0790.5%–

50Ventura County, CACA830,8510.4%–

51Alpine County, CACA1,0430.3%–

52Riverside County, CACA2,544,9160.3%–

53Kern County, CACA927,0680.3%–

54Orange County, CACA3,149,5070.3%–

55San Bernardino County, CACA2,224,0910.3%–

56Los Angeles County, CACA9,694,9340.2%–

57Imperial County, CACA181,4110.2%–

58Inyo County, CACA18,1580.1%–

SHOWING 1–58 OF 58

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UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES