RANKING · 2024 ACS · 57 SHOWN OF 57

Largest Swiss population, California counties

California counties ranked by the number of residents who are Swiss ancestry, from the 2024 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 2010

01Los Angeles County, CACA9,694,93412,086−24%

02San Diego County, CACA3,282,2488,184−15%

03Sacramento County, CACA1,618,4605,424+10%

04Orange County, CACA3,149,5075,264−35%

05Santa Clara County, CACA1,914,3914,688−32%

06Alameda County, CACA1,636,6303,755−13%

07Riverside County, CACA2,544,9162,971−26%

08Sonoma County, CACA486,4442,936−32%

09Contra Costa County, CACA1,170,0702,865−30%

10San Francisco County, CACA826,0792,629−19%

11Marin County, CACA253,6942,212−13%

12San Mateo County, CACA743,5682,139−28%

13Placer County, CACA442,0812,069+1%

14Monterey County, CACA433,7292,047−33%

15Ventura County, CACA830,8512,042−16%

16San Bernardino County, CACA2,224,0911,981−38%

17Santa Barbara County, CACA442,0651,906−22%

18Stanislaus County, CACA557,7191,810−35%

19San Luis Obispo County, CACA282,3671,607−41%

20Fresno County, CACA1,035,4561,360−39%

21San Joaquin County, CACA823,8151,245−54%

22El Dorado County, CACA192,3231,242−22%

23Santa Cruz County, CACA258,8521,193−28%

24Kern County, CACA927,0681,126−22%

25Yolo County, CACA224,4101,041−8%

26Humboldt County, CACA131,647807−37%

27Solano County, CACA455,376798−43%

28Butte County, CACA209,211766−52%

29Napa County, CACA132,949712−21%

30Shasta County, CACA181,648616−34%

31Tulare County, CACA485,146575−17%

32Nevada County, CACA101,911501−50%

33Merced County, CACA297,260456−41%

34Madera County, CACA167,927341+3%

35Mendocino County, CACA88,122306−45%

36Modoc County, CACA8,426280+536%

37Imperial County, CACA181,411279−27%

38San Benito County, CACA70,082274−20%

39Sutter County, CACA98,787270−43%

40Tuolumne County, CACA53,160252−36%

41Calaveras County, CACA46,605240−8%

42Siskiyou County, CACA42,013235−1%

43Amador County, CACA41,876221−15%

44Lake County, CACA67,772216−48%

45Kings County, CACA154,327186−21%

46Inyo County, CACA18,158114+148%

47Tehama County, CACA64,665114−52%

48Del Norte County, CACA26,41098−22%

49Lassen County, CACA28,11777−53%

50Glenn County, CACA28,14174−55%

51Colusa County, CACA21,83659−66%

52Trinity County, CACA15,72058−73%

53Yuba County, CACA88,69150−76%

54Mono County, CACA12,50543−68%

55Plumas County, CACA18,58328−82%

56Mariposa County, CACA16,91819–

57Sierra County, CACA3,09816−89%

SHOWING 1–57 OF 57

Download CSV (full list, 57 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES