RANKING · 2010 CENSUS · 56 SHOWN OF 56

Highest Finnish population share, California counties · 2010

California counties ranked by the share of all residents who are Finnish ancestry (2010 American Community Survey). A concentration measure: Finnish residents as a percentage of total population. This list covers the 56 counties in California that qualify, ranked against each other statewide.

Finnish 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

RANKPLACESTATEPOPFINNISH SHAREVS –

01Plumas County, CACA18,5831.5%–

02Mendocino County, CACA88,1221.3%–

03Trinity County, CACA15,7200.9%–

04Nevada County, CACA101,9110.6%–

05Shasta County, CACA181,6480.6%–

06Alpine County, CACA1,0430.6%–

07Humboldt County, CACA131,6470.4%–

08Placer County, CACA442,0810.4%–

09El Dorado County, CACA192,3230.4%–

10Sonoma County, CACA486,4440.4%–

11Del Norte County, CACA26,4100.3%–

12Tuolumne County, CACA53,1600.3%–

13Lake County, CACA67,7720.3%–

14Marin County, CACA253,6940.3%–

15Santa Cruz County, CACA258,8520.3%–

16Modoc County, CACA8,4260.3%–

17Solano County, CACA455,3760.3%–

18Contra Costa County, CACA1,170,0700.3%–

19Tehama County, CACA64,6650.2%–

20Napa County, CACA132,9490.2%–

21Calaveras County, CACA46,6050.2%–

22Butte County, CACA209,2110.2%–

23Siskiyou County, CACA42,0130.2%–

24Glenn County, CACA28,1410.2%–

25Yolo County, CACA224,4100.2%–

26Sutter County, CACA98,7870.2%–

27San Luis Obispo County, CACA282,3670.2%–

28San Mateo County, CACA743,5680.2%–

29Santa Barbara County, CACA442,0650.2%–

30San Diego County, CACA3,282,2480.2%–

31Sacramento County, CACA1,618,4600.2%–

32San Francisco County, CACA826,0790.2%–

33Santa Clara County, CACA1,914,3910.2%–

34Ventura County, CACA830,8510.2%–

35Lassen County, CACA28,1170.1%–

36Alameda County, CACA1,636,6300.1%–

37Orange County, CACA3,149,5070.1%–

38Riverside County, CACA2,544,9160.1%–

39Kings County, CACA154,3270.1%–

40Yuba County, CACA88,6910.1%–

41Amador County, CACA41,8760.1%–

42Fresno County, CACA1,035,4560.1%–

43Monterey County, CACA433,7290.1%–

44Mariposa County, CACA16,9180.1%–

45Kern County, CACA927,0680.1%–

46San Joaquin County, CACA823,8150.1%–

47Stanislaus County, CACA557,7190.1%–

48San Bernardino County, CACA2,224,0910.1%–

49Los Angeles County, CACA9,694,9340.1%–

50Merced County, CACA297,2600.1%–

51Inyo County, CACA18,1580.1%–

52Tulare County, CACA485,1460.1%–

53Colusa County, CACA21,8360.1%–

54Imperial County, CACA181,4110.0%–

55Madera County, CACA167,9270.0%–

56San Benito County, CACA70,0820.0%–

SHOWING 1–56 OF 56

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