RANKING · 2024 ACS · 47 SHOWN OF 47

Highest Slovak population share, California counties

California counties ranked by the share of all residents who are Slovak ancestry (2023 American Community Survey). A concentration measure: Slovak residents as a percentage of total population. This list covers the 47 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

RANKPLACESTATEPOPSLOVAK SHAREVS 2000

01Sonoma County, CACA486,4440.2%–

02Santa Cruz County, CACA258,8520.1%–

03El Dorado County, CACA192,3230.1%–

04San Francisco County, CACA826,0790.1%–

05San Luis Obispo County, CACA282,3670.1%–

06San Benito County, CACA70,0820.1%–

07Inyo County, CACA18,1580.1%–

08Nevada County, CACA101,9110.1%–

09Trinity County, CACA15,7200.1%–

10Placer County, CACA442,0810.1%–

11Orange County, CACA3,149,5070.1%–

12Marin County, CACA253,6940.1%–

13Contra Costa County, CACA1,170,0700.1%–

14San Diego County, CACA3,282,2480.1%–

15San Mateo County, CACA743,5680.1%–

16Monterey County, CACA433,7290.1%–

17Santa Clara County, CACA1,914,3910.1%–

18Santa Barbara County, CACA442,0650.1%–

19Alameda County, CACA1,636,6300.1%–

20Sacramento County, CACA1,618,4600.1%–

21Tehama County, CACA64,6650.1%–

22Riverside County, CACA2,544,9160.1%–

23Amador County, CACA41,8760.1%–

24Humboldt County, CACA131,6470.1%–

25Mariposa County, CACA16,9180.1%–

26Yolo County, CACA224,4100.1%–

27Ventura County, CACA830,8510.0%–

28Los Angeles County, CACA9,694,9340.0%–

29Solano County, CACA455,3760.0%–

30Lake County, CACA67,7720.0%–

31Shasta County, CACA181,6480.0%–

32Siskiyou County, CACA42,0130.0%–

33Butte County, CACA209,2110.0%–

34San Bernardino County, CACA2,224,0910.0%–

35Imperial County, CACA181,4110.0%–

36Yuba County, CACA88,6910.0%–

37Stanislaus County, CACA557,7190.0%–

38Napa County, CACA132,9490.0%–

39Kern County, CACA927,0680.0%–

40Mendocino County, CACA88,1220.0%–

41Calaveras County, CACA46,6050.0%–

42San Joaquin County, CACA823,8150.0%–

43Merced County, CACA297,2600.0%–

44Fresno County, CACA1,035,4560.0%–

45Madera County, CACA167,9270.0%–

46Sutter County, CACA98,7870.0%–

47Tulare County, CACA485,1460.0%–

SHOWING 1–47 OF 47

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