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 (2024 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. The median across all 47 is 0.1%. Biggest climber in the top 100 since 2020: San Benito County, CA, up 31 places to #6.

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SAME RANKING BYCities States Metros

YEAR2010 2020 2024

RANKPLACESTATEPOPSLOVAK SHAREVS 2010

01▲9Sonoma County, CACA486,4440.2%+0.1 pts

02▲5Santa Cruz County, CACA258,8520.1%0.0 pts

03▲1El Dorado County, CACA192,3230.1%0.0 pts

04▲10San Francisco County, CACA826,0790.1%0.0 pts

05▲17San Luis Obispo County, CACA282,3670.1%0.0 pts

06▲31San Benito County, CACA70,0820.1%+0.1 pts

07▲8Inyo County, CACA18,1580.1%−0.1 pts

08▲1Nevada County, CACA101,9110.1%0.0 pts

09Trinity County, CACA15,7200.1%–

10▲3Placer County, CACA442,0810.1%0.0 pts

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

12▼7Marin County, CACA253,6940.1%0.0 pts

13▲7Contra Costa County, CACA1,170,0700.1%0.0 pts

14▼6San Diego County, CACA3,282,2480.1%0.0 pts

15▲11San Mateo County, CACA743,5680.1%0.0 pts

16▲1Monterey County, CACA433,7290.1%0.0 pts

17▲1Santa Clara County, CACA1,914,3910.1%0.0 pts

18▲11Santa Barbara County, CACA442,0650.1%0.0 pts

19▲8Alameda County, CACA1,636,6300.1%0.0 pts

20▲13Sacramento County, CACA1,618,4600.1%0.0 pts

21▲14Tehama County, CACA64,6650.1%+0.1 pts

22▲1Riverside County, CACA2,544,9160.1%0.0 pts

23▲19Amador County, CACA41,8760.1%–

24▼18Humboldt County, CACA131,6470.1%−0.1 pts

25▼6Mariposa County, CACA16,9180.1%–

26▼5Yolo County, CACA224,4100.1%0.0 pts

27▼15Ventura County, CACA830,8510.0%0.0 pts

28▼4Los Angeles County, CACA9,694,9340.0%0.0 pts

29▲3Solano County, CACA455,3760.0%−0.1 pts

30▼27Lake County, CACA67,7720.0%–

31▲3Shasta County, CACA181,6480.0%0.0 pts

32▲9Siskiyou County, CACA42,0130.0%0.0 pts

33▼2Butte County, CACA209,2110.0%0.0 pts

34▼4San Bernardino County, CACA2,224,0910.0%0.0 pts

35Imperial County, CACA181,4110.0%0.0 pts

36▲8Yuba County, CACA88,6910.0%0.0 pts

37▲2Stanislaus County, CACA557,7190.0%0.0 pts

38▼13Napa County, CACA132,9490.0%0.0 pts

39▲7Kern County, CACA927,0680.0%0.0 pts

40▼24Mendocino County, CACA88,1220.0%0.0 pts

41Calaveras County, CACA46,6050.0%–

42▼4San Joaquin County, CACA823,8150.0%0.0 pts

43▲4Merced County, CACA297,2600.0%0.0 pts

44▲1Fresno County, CACA1,035,4560.0%0.0 pts

45▼9Madera County, CACA167,9270.0%0.0 pts

46▼3Sutter County, CACA98,7870.0%−0.1 pts

47▲2Tulare County, CACA485,1460.0%0.0 pts

SHOWING 1–47 OF 47

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