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. The median across all 57 is 712. Biggest climber in the top 100 since 2020: Modoc County, CA, up 14 places to #36.

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SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPSWISS POPULATIONVS 2010

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

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

03▲2Sacramento County, CACA1,618,4605,424+10%

04▼1Orange County, CACA3,149,5075,264−35%

05▼1Santa Clara County, CACA1,914,3914,688−32%

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

07▲2Riverside County, CACA2,544,9162,971−26%

08▼1Sonoma County, CACA486,4442,936−32%

09▼1Contra Costa County, CACA1,170,0702,865−30%

10▲1San Francisco County, CACA826,0792,629−19%

11▲4Marin County, CACA253,6942,212−13%

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

13▲6Placer County, CACA442,0812,069+1%

14▲6Monterey County, CACA433,7292,047−33%

15▲2Ventura County, CACA830,8512,042−16%

16▼6San Bernardino County, CACA2,224,0911,981−38%

17▼4Santa Barbara County, CACA442,0651,906−22%

18▼2Stanislaus County, CACA557,7191,810−35%

19▼5San Luis Obispo County, CACA282,3671,607−41%

20▲1Fresno County, CACA1,035,4561,360−39%

21▼3San Joaquin County, CACA823,8151,245−54%

22▲3El Dorado County, CACA192,3231,242−22%

23▼1Santa Cruz County, CACA258,8521,193−28%

24Kern County, CACA927,0681,126−22%

25▲2Yolo County, CACA224,4101,041−8%

26Humboldt County, CACA131,647807−37%

27▲2Solano County, CACA455,376798−43%

28▼5Butte County, CACA209,211766−52%

29▲1Napa County, CACA132,949712−21%

30▼2Shasta County, CACA181,648616−34%

31▲4Tulare County, CACA485,146575−17%

32▲1Nevada County, CACA101,911501−50%

33▼2Merced County, CACA297,260456−41%

34▲9Madera County, CACA167,927341+3%

35▲1Mendocino County, CACA88,122306−45%

36▲14Modoc County, CACA8,426280+536%

37▼5Imperial County, CACA181,411279−27%

38▼4San Benito County, CACA70,082274−20%

39▲1Sutter County, CACA98,787270−43%

40▼3Tuolumne County, CACA53,160252−36%

41▲8Calaveras County, CACA46,605240−8%

42Siskiyou County, CACA42,013235−1%

43▲4Amador County, CACA41,876221−15%

44▼5Lake County, CACA67,772216−48%

45▼7Kings County, CACA154,327186−21%

46Inyo County, CACA18,158114+148%

47▼2Tehama County, CACA64,665114−52%

48▼7Del Norte County, CACA26,41098−22%

49▼1Lassen County, CACA28,11777−53%

50▲1Glenn County, CACA28,14174−55%

51▲4Colusa County, CACA21,83659−66%

52▲5Trinity County, CACA15,72058−73%

53Yuba County, CACA88,69150−76%

54Mono County, CACA12,50543−68%

55▼3Plumas County, CACA18,58328−82%

56Mariposa County, CACA16,91819–

57▼13Sierra County, CACA3,09816−89%

SHOWING 1–57 OF 57

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES