RANKING · 2020 CENSUS · 55 SHOWN OF 55

Largest Finnish population, California counties · 2020

California counties ranked by the number of residents who are Finnish ancestry, from the 2020 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 55 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 POPULATIONVS 2010

01Los Angeles County, CACA9,694,9347,765−4%

02San Diego County, CACA3,282,2485,849+10%

03Orange County, CACA3,149,5073,535−14%

04Contra Costa County, CACA1,170,0703,171+23%

05Alameda County, CACA1,636,6302,669+25%

06Santa Clara County, CACA1,914,3912,483−5%

07Riverside County, CACA2,544,9162,200−25%

08Sacramento County, CACA1,618,4601,956−15%

09Sonoma County, CACA486,4441,783+3%

10San Francisco County, CACA826,0791,765+40%

11Ventura County, CACA830,8511,739+43%

12San Bernardino County, CACA2,224,0911,466−29%

13San Mateo County, CACA743,5681,373+7%

14Placer County, CACA442,0811,062−21%

15Santa Barbara County, CACA442,0651,019+35%

16Kern County, CACA927,068998+13%

17Fresno County, CACA1,035,456917−14%

18Mendocino County, CACA88,122759−34%

19El Dorado County, CACA192,323677+4%

20Marin County, CACA253,694669−12%

21Santa Cruz County, CACA258,852664−12%

22San Luis Obispo County, CACA282,367633+31%

23Shasta County, CACA181,648610−46%

24Humboldt County, CACA131,647607+5%

25Solano County, CACA455,376592−47%

26San Joaquin County, CACA823,815575−21%

27Butte County, CACA209,211526+14%

28Stanislaus County, CACA557,719523−1%

29Tulare County, CACA485,146424+43%

30Napa County, CACA132,949410+35%

31Nevada County, CACA101,911397−37%

32Yolo County, CACA224,410394+4%

33Monterey County, CACA433,729391−16%

34Madera County, CACA167,927221+391%

35Siskiyou County, CACA42,013217+133%

36Tuolumne County, CACA53,160152−20%

37Lassen County, CACA28,117110+116%

38Mono County, CACA12,505108–

39Kings County, CACA154,327103−51%

40Calaveras County, CACA46,60598−5%

41Lake County, CACA67,77295−54%

42San Benito County, CACA70,08291+507%

43Mariposa County, CACA16,91886+330%

44Amador County, CACA41,87686+65%

45Merced County, CACA297,26082−59%

46Del Norte County, CACA26,41073−25%

47Tehama County, CACA64,66561−58%

48Plumas County, CACA18,58347−84%

49Sutter County, CACA98,78746−74%

50Yuba County, CACA88,69135−64%

51Inyo County, CACA18,15835+169%

52Trinity County, CACA15,72025−81%

53Colusa County, CACA21,83624+100%

54Glenn County, CACA28,14118−68%

55Modoc County, CACA8,4268−71%

SHOWING 1–55 OF 55

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UPDATED 2026-07-15 · DATA: US CENSUS BUREAU DECENNIAL CENSUS