RANKING · 2010 CENSUS · 58 SHOWN OF 58

Highest Portuguese population share, California counties · 2010

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, CACA297,2605.6%–

02Stanislaus County, CACA557,7194.9%–

03Kings County, CACA154,3274.2%–

04Glenn County, CACA28,1413.7%–

05San Benito County, CACA70,0823.2%–

06Tuolumne County, CACA53,1602.9%–

07Lake County, CACA67,7722.8%–

08San Joaquin County, CACA823,8152.8%–

09Siskiyou County, CACA42,0132.8%–

10Sierra County, CACA3,0982.7%–

11Calaveras County, CACA46,6052.6%–

12Humboldt County, CACA131,6472.5%–

13Amador County, CACA41,8762.5%–

14Butte County, CACA209,2112.3%–

15San Luis Obispo County, CACA282,3672.3%–

16Santa Cruz County, CACA258,8522.3%–

17Tulare County, CACA485,1462.3%–

18Alameda County, CACA1,636,6302.2%–

19Contra Costa County, CACA1,170,0702.2%–

20Tehama County, CACA64,6652.2%–

21Colusa County, CACA21,8362.2%–

22Nevada County, CACA101,9112.1%–

23El Dorado County, CACA192,3232.1%–

24Mendocino County, CACA88,1222.0%–

25Placer County, CACA442,0812.0%–

26Sonoma County, CACA486,4441.9%–

27Yuba County, CACA88,6911.9%–

28Sutter County, CACA98,7871.8%–

29Sacramento County, CACA1,618,4601.8%–

30Madera County, CACA167,9271.8%–

31Napa County, CACA132,9491.7%–

32Lassen County, CACA28,1171.7%–

33Mariposa County, CACA16,9181.7%–

34Santa Clara County, CACA1,914,3911.6%–

35Modoc County, CACA8,4261.6%–

36Solano County, CACA455,3761.4%–

37Shasta County, CACA181,6481.4%–

38Yolo County, CACA224,4101.4%–

39Plumas County, CACA18,5831.4%–

40Marin County, CACA253,6941.3%–

41Trinity County, CACA15,7201.3%–

42Fresno County, CACA1,035,4561.3%–

43Monterey County, CACA433,7291.3%–

44Santa Barbara County, CACA442,0651.1%–

45San Mateo County, CACA743,5680.8%–

46Inyo County, CACA18,1580.7%–

47San Diego County, CACA3,282,2480.7%–

48San Francisco County, CACA826,0790.6%–

49Mono County, CACA12,5050.5%–

50Kern County, CACA927,0680.5%–

51Del Norte County, CACA26,4100.5%–

52Ventura County, CACA830,8510.5%–

53San Bernardino County, CACA2,224,0910.4%–

54Riverside County, CACA2,544,9160.4%–

55Orange County, CACA3,149,5070.4%–

56Alpine County, CACA1,0430.3%–

57Los Angeles County, CACA9,694,9340.2%–

58Imperial County, CACA181,4110.1%–

SHOWING 1–58 OF 58

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