RANKING · 2010 CENSUS · 57 SHOWN OF 57

Largest Swiss population, California counties · 2010

California counties ranked by the number of residents who are Swiss ancestry, from the 2023 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 57 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

RANKPLACESTATEPOPSWISS POPULATIONVS 2000

01Los Angeles County, CACA9,694,93415,922–

02San Diego County, CACA3,282,2489,616–

03Orange County, CACA3,149,5078,044–

04Santa Clara County, CACA1,914,3916,916–

05Sacramento County, CACA1,618,4604,949–

06Sonoma County, CACA486,4444,332–

07Alameda County, CACA1,636,6304,296–

08Contra Costa County, CACA1,170,0704,083–

09Riverside County, CACA2,544,9164,031–

10San Francisco County, CACA826,0793,264–

11San Bernardino County, CACA2,224,0913,193–

12Monterey County, CACA433,7293,051–

13San Mateo County, CACA743,5682,962–

14Stanislaus County, CACA557,7192,805–

15San Luis Obispo County, CACA282,3672,740–

16San Joaquin County, CACA823,8152,701–

17Marin County, CACA253,6942,541–

18Santa Barbara County, CACA442,0652,451–

19Ventura County, CACA830,8512,430–

20Fresno County, CACA1,035,4562,214–

21Placer County, CACA442,0812,050–

22Santa Cruz County, CACA258,8521,663–

23Butte County, CACA209,2111,596–

24El Dorado County, CACA192,3231,591–

25Kern County, CACA927,0681,450–

26Solano County, CACA455,3761,393–

27Humboldt County, CACA131,6471,275–

28Yolo County, CACA224,4101,128–

29Nevada County, CACA101,9111,006–

30Shasta County, CACA181,648929–

31Napa County, CACA132,949906–

32Merced County, CACA297,260771–

33Tulare County, CACA485,146691–

34Mendocino County, CACA88,122554–

35Sutter County, CACA98,787473–

36Lake County, CACA67,772417–

37Tuolumne County, CACA53,160393–

38Imperial County, CACA181,411380–

39San Benito County, CACA70,082341–

40Madera County, CACA167,927332–

41Calaveras County, CACA46,605261–

42Amador County, CACA41,876259–

43Tehama County, CACA64,665239–

44Siskiyou County, CACA42,013238–

45Kings County, CACA154,327234–

46Trinity County, CACA15,720213–

47Yuba County, CACA88,691206–

48Colusa County, CACA21,836173–

49Glenn County, CACA28,141165–

50Lassen County, CACA28,117165–

51Plumas County, CACA18,583152–

52Sierra County, CACA3,098143–

53Mono County, CACA12,505134–

54Del Norte County, CACA26,410125–

55Inyo County, CACA18,15846–

56Modoc County, CACA8,42644–

57Alpine County, CACA1,04310–

SHOWING 1–57 OF 57

Download CSV (full list, 57 rows)

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