RANKING · 2024 ACS · 56 SHOWN OF 56

Highest Portuguese population share, California counties

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 56 counties in California that qualify, ranked against each other statewide.

CaliforniaAll states All rankings

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, CACA297,2604.8%–

02Stanislaus County, CACA557,7194.0%–

03Kings County, CACA154,3273.4%–

04Glenn County, CACA28,1413.3%–

05Plumas County, CACA18,5833.1%–

06Siskiyou County, CACA42,0132.7%–

07Tuolumne County, CACA53,1602.5%–

08Humboldt County, CACA131,6472.2%–

09Calaveras County, CACA46,6052.2%–

10El Dorado County, CACA192,3232.2%–

11Mariposa County, CACA16,9182.2%–

12Tulare County, CACA485,1462.1%–

13San Luis Obispo County, CACA282,3672.1%–

14San Joaquin County, CACA823,8152.1%–

15Amador County, CACA41,8762.0%–

16San Benito County, CACA70,0821.8%–

17Butte County, CACA209,2111.8%–

18Del Norte County, CACA26,4101.8%–

19Mendocino County, CACA88,1221.7%–

20Placer County, CACA442,0811.7%–

21Lake County, CACA67,7721.5%–

22Lassen County, CACA28,1171.5%–

23Colusa County, CACA21,8361.4%–

24Santa Cruz County, CACA258,8521.4%–

25Contra Costa County, CACA1,170,0701.3%–

26Trinity County, CACA15,7201.3%–

27Nevada County, CACA101,9111.3%–

28Alameda County, CACA1,636,6301.3%–

29Sonoma County, CACA486,4441.3%–

30Madera County, CACA167,9271.3%–

31Shasta County, CACA181,6481.2%–

32Solano County, CACA455,3761.2%–

33Sacramento County, CACA1,618,4601.2%–

34Yuba County, CACA88,6911.1%–

35Napa County, CACA132,9491.1%–

36Santa Clara County, CACA1,914,3911.1%–

37Fresno County, CACA1,035,4561.0%–

38Monterey County, CACA433,7291.0%–

39Marin County, CACA253,6940.9%–

40Yolo County, CACA224,4100.9%–

41Sutter County, CACA98,7870.9%–

42Tehama County, CACA64,6650.9%–

43Modoc County, CACA8,4260.8%–

44San Mateo County, CACA743,5680.7%–

45Santa Barbara County, CACA442,0650.7%–

46Mono County, CACA12,5050.7%–

47Inyo County, CACA18,1580.6%–

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

49San Francisco County, CACA826,0790.5%–

50Ventura County, CACA830,8510.4%–

51Kern County, CACA927,0680.4%–

52Orange County, CACA3,149,5070.3%–

53Riverside County, CACA2,544,9160.3%–

54San Bernardino County, CACA2,224,0910.3%–

55Los Angeles County, CACA9,694,9340.2%–

56Imperial County, CACA181,4110.2%–

SHOWING 1–56 OF 56

Download CSV (full list, 56 rows)

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