RANKING · 2020 CENSUS · 49 SHOWN OF 49

Largest Slovak population, California counties · 2020

California counties ranked by the number of residents who are Slovak ancestry, from the 2020 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 49 counties in California that qualify, ranked against each other statewide.

Slovak Americans: full group profile →

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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

RANKPLACESTATEPOPSLOVAK POPULATIONVS 2010

01Los Angeles County, CACA9,694,9345,604+18%

02San Diego County, CACA3,282,2483,503+12%

03Orange County, CACA3,149,5072,961−5%

04Santa Clara County, CACA1,914,3911,469+3%

05Riverside County, CACA2,544,9161,376−6%

06San Bernardino County, CACA2,224,091938+12%

07Contra Costa County, CACA1,170,070828−6%

08Alameda County, CACA1,636,630772−40%

09Ventura County, CACA830,851748+31%

10San Francisco County, CACA826,079725−16%

11Sacramento County, CACA1,618,460582−21%

12Sonoma County, CACA486,444471+26%

13Marin County, CACA253,694430+30%

14San Mateo County, CACA743,568383−20%

15Placer County, CACA442,081337−2%

16Monterey County, CACA433,729332−24%

17El Dorado County, CACA192,323327+64%

18Santa Cruz County, CACA258,852305−7%

19Santa Barbara County, CACA442,065193−54%

20San Joaquin County, CACA823,815188−53%

21Solano County, CACA455,376176−66%

22San Luis Obispo County, CACA282,367175−23%

23Humboldt County, CACA131,647159−19%

24Yolo County, CACA224,410149+3%

25Lake County, CACA67,772143–

26Tuolumne County, CACA53,160130−2%

27Stanislaus County, CACA557,719119+105%

28Plumas County, CACA18,583106–

29Fresno County, CACA1,035,456104−26%

30Nevada County, CACA101,911103+12%

31Kern County, CACA927,06892−47%

32Butte County, CACA209,21190−45%

33Napa County, CACA132,94976+55%

34Mendocino County, CACA88,12267+20%

35Shasta County, CACA181,64863−56%

36Madera County, CACA167,92749+63%

37Merced County, CACA297,26028+65%

38Tehama County, CACA64,66521+950%

39San Benito County, CACA70,08218+50%

40Inyo County, CACA18,15814−55%

41Sutter County, CACA98,78714−87%

42Glenn County, CACA28,14113+160%

43Mariposa County, CACA16,91813–

44Kings County, CACA154,32712−69%

45Yuba County, CACA88,69110−41%

46Siskiyou County, CACA42,0139−63%

47Amador County, CACA41,8767–

48Del Norte County, CACA26,4106−70%

49Tulare County, CACA485,1463−96%

SHOWING 1–49 OF 49

Download CSV (full list, 49 rows)

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS