RANKING · 2010 CENSUS · 57 SHOWN OF 57

Highest Russian population share, California counties · 2010

California counties ranked by the share of all residents who are Russian ancestry (2010 American Community Survey). A concentration measure: Russian residents as a percentage of total population. This list covers the 57 counties in California that qualify, ranked against each other statewide. The median across all 57 is 1.0%.

Russian 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

RANKPLACESTATEPOPRUSSIAN SHAREVS –

01Marin County, CACA253,6943.7%–

02San Francisco County, CACA826,0792.7%–

03Yolo County, CACA224,4102.1%–

04Santa Cruz County, CACA258,8522.0%–

05Mono County, CACA12,5051.9%–

06Ventura County, CACA830,8511.8%–

07San Mateo County, CACA743,5681.8%–

08Trinity County, CACA15,7201.7%–

09Los Angeles County, CACA9,694,9341.6%–

10Sonoma County, CACA486,4441.6%–

11Mariposa County, CACA16,9181.5%–

12Sacramento County, CACA1,618,4601.5%–

13Plumas County, CACA18,5831.4%–

14Santa Barbara County, CACA442,0651.4%–

15Contra Costa County, CACA1,170,0701.4%–

16Calaveras County, CACA46,6051.3%–

17Humboldt County, CACA131,6471.3%–

18Mendocino County, CACA88,1221.3%–

19Modoc County, CACA8,4261.3%–

20Alameda County, CACA1,636,6301.3%–

21Siskiyou County, CACA42,0131.2%–

22Orange County, CACA3,149,5071.2%–

23San Luis Obispo County, CACA282,3671.2%–

24San Diego County, CACA3,282,2481.1%–

25Santa Clara County, CACA1,914,3911.1%–

26Tehama County, CACA64,6651.1%–

27Napa County, CACA132,9491.1%–

28Shasta County, CACA181,6481.1%–

29El Dorado County, CACA192,3231.0%–

30Placer County, CACA442,0811.0%–

31Amador County, CACA41,8761.0%–

32Tuolumne County, CACA53,1601.0%–

33Nevada County, CACA101,9110.9%–

34Butte County, CACA209,2110.8%–

35Riverside County, CACA2,544,9160.7%–

36Monterey County, CACA433,7290.6%–

37Solano County, CACA455,3760.6%–

38Fresno County, CACA1,035,4560.6%–

39Yuba County, CACA88,6910.5%–

40Lake County, CACA67,7720.5%–

41San Joaquin County, CACA823,8150.5%–

42Lassen County, CACA28,1170.5%–

43Sutter County, CACA98,7870.5%–

44Madera County, CACA167,9270.4%–

45San Bernardino County, CACA2,224,0910.4%–

46Kern County, CACA927,0680.3%–

47Stanislaus County, CACA557,7190.3%–

48Del Norte County, CACA26,4100.3%–

49Inyo County, CACA18,1580.3%–

50San Benito County, CACA70,0820.3%–

51Merced County, CACA297,2600.3%–

52Glenn County, CACA28,1410.3%–

53Tulare County, CACA485,1460.3%–

54Sierra County, CACA3,0980.2%–

55Imperial County, CACA181,4110.2%–

56Kings County, CACA154,3270.1%–

57Colusa County, CACA21,8360.1%–

SHOWING 1–57 OF 57

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