RANKING · 2010 CENSUS · 47 SHOWN OF 47

Largest Slovak population, California counties · 2010

California counties ranked by the number of residents who are Slovak ancestry, from the 2010 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 47 counties in California that qualify, ranked against each other statewide. The median across all 47 is 172.

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 –

01Los Angeles County, CACA9,694,9344,761–

02San Diego County, CACA3,282,2483,129–

03Orange County, CACA3,149,5073,112–

04Riverside County, CACA2,544,9161,461–

05Santa Clara County, CACA1,914,3911,427–

06Alameda County, CACA1,636,6301,292–

07Contra Costa County, CACA1,170,070881–

08San Francisco County, CACA826,079861–

09San Bernardino County, CACA2,224,091835–

10Sacramento County, CACA1,618,460740–

11Ventura County, CACA830,851571–

12Solano County, CACA455,376513–

13San Mateo County, CACA743,568477–

14Monterey County, CACA433,729439–

15Santa Barbara County, CACA442,065419–

16San Joaquin County, CACA823,815402–

17Sonoma County, CACA486,444373–

18Placer County, CACA442,081345–

19Marin County, CACA253,694331–

20Santa Cruz County, CACA258,852327–

21San Luis Obispo County, CACA282,367227–

22El Dorado County, CACA192,323199–

23Humboldt County, CACA131,647197–

24Kern County, CACA927,068172–

25Butte County, CACA209,211163–

26Yolo County, CACA224,410144–

27Shasta County, CACA181,648142–

28Fresno County, CACA1,035,456140–

29Tuolumne County, CACA53,160133–

30Sutter County, CACA98,787104–

31Nevada County, CACA101,91192–

32Tulare County, CACA485,14674–

33Stanislaus County, CACA557,71958–

34Mendocino County, CACA88,12256–

35Napa County, CACA132,94949–

36Kings County, CACA154,32739–

37Inyo County, CACA18,15831–

38Madera County, CACA167,92730–

39Siskiyou County, CACA42,01324–

40Del Norte County, CACA26,41020–

41Merced County, CACA297,26017–

42Yuba County, CACA88,69117–

43San Benito County, CACA70,08212–

44Imperial County, CACA181,41111–

45Glenn County, CACA28,1415–

46Lassen County, CACA28,1175–

47Tehama County, CACA64,6652–

SHOWING 1–47 OF 47

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