RANKING · 2020 CENSUS · 49 SHOWN OF 49

Highest Slovak population share, California counties · 2020

California counties ranked by the share of all residents who are Slovak ancestry (2020 American Community Survey). A concentration measure: Slovak residents as a percentage of total population. 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 SHAREVS 2010

01Plumas County, CACA18,5830.6%–

02Tuolumne County, CACA53,1600.2%+0.0 pts

03Lake County, CACA67,7720.2%–

04El Dorado County, CACA192,3230.2%+0.1 pts

05Marin County, CACA253,6940.2%+0.0 pts

06Humboldt County, CACA131,6470.1%−0.0 pts

07Santa Cruz County, CACA258,8520.1%−0.0 pts

08San Diego County, CACA3,282,2480.1%+0.0 pts

09Nevada County, CACA101,9110.1%+0.0 pts

10Sonoma County, CACA486,4440.1%+0.0 pts

11Orange County, CACA3,149,5070.1%−0.0 pts

12Ventura County, CACA830,8510.1%+0.0 pts

13Placer County, CACA442,0810.1%−0.0 pts

14San Francisco County, CACA826,0790.1%−0.0 pts

15Inyo County, CACA18,1580.1%−0.1 pts

16Mendocino County, CACA88,1220.1%+0.0 pts

17Monterey County, CACA433,7290.1%−0.0 pts

18Santa Clara County, CACA1,914,3910.1%−0.0 pts

19Mariposa County, CACA16,9180.1%–

20Contra Costa County, CACA1,170,0700.1%−0.0 pts

21Yolo County, CACA224,4100.1%−0.0 pts

22San Luis Obispo County, CACA282,3670.1%−0.0 pts

23Riverside County, CACA2,544,9160.1%−0.0 pts

24Los Angeles County, CACA9,694,9340.1%+0.0 pts

25Napa County, CACA132,9490.1%+0.0 pts

26San Mateo County, CACA743,5680.1%−0.0 pts

27Alameda County, CACA1,636,6300.0%−0.0 pts

28Glenn County, CACA28,1410.0%+0.0 pts

29Santa Barbara County, CACA442,0650.0%−0.1 pts

30San Bernardino County, CACA2,224,0910.0%+0.0 pts

31Butte County, CACA209,2110.0%−0.0 pts

32Solano County, CACA455,3760.0%−0.1 pts

33Sacramento County, CACA1,618,4600.0%−0.0 pts

34Shasta County, CACA181,6480.0%−0.0 pts

35Tehama County, CACA64,6650.0%+0.0 pts

36Madera County, CACA167,9270.0%+0.0 pts

37San Benito County, CACA70,0820.0%+0.0 pts

38San Joaquin County, CACA823,8150.0%−0.0 pts

39Stanislaus County, CACA557,7190.0%+0.0 pts

40Del Norte County, CACA26,4100.0%−0.0 pts

41Siskiyou County, CACA42,0130.0%−0.0 pts

42Amador County, CACA41,8760.0%–

43Sutter County, CACA98,7870.0%−0.1 pts

44Yuba County, CACA88,6910.0%−0.0 pts

45Fresno County, CACA1,035,4560.0%−0.0 pts

46Kern County, CACA927,0680.0%−0.0 pts

47Merced County, CACA297,2600.0%+0.0 pts

48Kings County, CACA154,3270.0%−0.0 pts

49Tulare County, CACA485,1460.0%−0.0 pts

SHOWING 1–49 OF 49

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UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS