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 (2020 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.

Portuguese Americans: full group profile →

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SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPPORTUGUESE SHAREVS 2010

01Merced County, CACA297,2605.4%−0.2 pts

02Kings County, CACA154,3274.2%+0.0 pts

03Stanislaus County, CACA557,7194.0%−0.9 pts

04Glenn County, CACA28,1413.5%−0.2 pts

05Siskiyou County, CACA42,0133.2%+0.5 pts

06Calaveras County, CACA46,6053.1%+0.5 pts

07Colusa County, CACA21,8362.8%+0.6 pts

08Del Norte County, CACA26,4102.8%+2.3 pts

09Amador County, CACA41,8762.7%+0.2 pts

10Tuolumne County, CACA53,1602.4%−0.5 pts

11San Benito County, CACA70,0822.4%−0.8 pts

12Humboldt County, CACA131,6472.3%−0.1 pts

13San Joaquin County, CACA823,8152.3%−0.5 pts

14Tulare County, CACA485,1462.3%+0.0 pts

15El Dorado County, CACA192,3232.1%+0.0 pts

16San Luis Obispo County, CACA282,3672.0%−0.3 pts

17Plumas County, CACA18,5832.0%+0.7 pts

18Mariposa County, CACA16,9182.0%+0.4 pts

19Yuba County, CACA88,6912.0%+0.1 pts

20Trinity County, CACA15,7201.9%+0.6 pts

21Mendocino County, CACA88,1221.9%−0.2 pts

22Placer County, CACA442,0811.8%−0.2 pts

23Santa Cruz County, CACA258,8521.8%−0.5 pts

24Sonoma County, CACA486,4441.7%−0.2 pts

25Madera County, CACA167,9271.7%−0.2 pts

26Sierra County, CACA3,0981.7%−1.0 pts

27Lake County, CACA67,7721.6%−1.2 pts

28Contra Costa County, CACA1,170,0701.5%−0.6 pts

29Shasta County, CACA181,6481.5%+0.1 pts

30Butte County, CACA209,2111.5%−0.8 pts

31Alameda County, CACA1,636,6301.5%−0.8 pts

32Nevada County, CACA101,9111.5%−0.6 pts

33Sacramento County, CACA1,618,4601.5%−0.4 pts

34Lassen County, CACA28,1171.4%−0.3 pts

35Sutter County, CACA98,7871.3%−0.5 pts

36Tehama County, CACA64,6651.3%−0.9 pts

37Yolo County, CACA224,4101.2%−0.1 pts

38Mono County, CACA12,5051.2%+0.7 pts

39Napa County, CACA132,9491.2%−0.5 pts

40Fresno County, CACA1,035,4561.2%−0.1 pts

41Solano County, CACA455,3761.1%−0.3 pts

42Santa Clara County, CACA1,914,3911.1%−0.5 pts

43Marin County, CACA253,6941.1%−0.2 pts

44Monterey County, CACA433,7290.9%−0.4 pts

45San Mateo County, CACA743,5680.8%+0.0 pts

46Santa Barbara County, CACA442,0650.8%−0.3 pts

47Modoc County, CACA8,4260.7%−0.9 pts

48San Diego County, CACA3,282,2480.6%−0.1 pts

49San Francisco County, CACA826,0790.5%−0.1 pts

50Ventura County, CACA830,8510.4%−0.1 pts

51Alpine County, CACA1,0430.3%+0.0 pts

52Riverside County, CACA2,544,9160.3%−0.1 pts

53Kern County, CACA927,0680.3%−0.2 pts

54Orange County, CACA3,149,5070.3%−0.1 pts

55San Bernardino County, CACA2,224,0910.3%−0.1 pts

56Los Angeles County, CACA9,694,9340.2%−0.0 pts

57Imperial County, CACA181,4110.2%+0.0 pts

58Inyo County, CACA18,1580.1%−0.6 pts

SHOWING 1–58 OF 58

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS