RANKING · 2024 ACS · 55 SHOWN OF 55

Largest Japanese population, California counties

California counties ranked by the number of residents who are Japanese, from the 2024 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.

Japanese Americans: full group profile →

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SAME RANKING BYCities States Metros

RELATEDLargest Chinese population Highest Chinese population share Largest Taiwanese population Highest Taiwanese population share Largest Hmong population Highest Hmong population share

RANKPLACESTATEPOPJAPANESE POPULATIONVS 2020

01Los Angeles County, CACA9,694,93492,175−5%

02Orange County, CACA3,149,50731,428−9%

03Santa Clara County, CACA1,914,39123,484−6%

04San Diego County, CACA3,282,24817,115−4%

05Alameda County, CACA1,636,63010,866−6%

06Sacramento County, CACA1,618,4609,348−7%

07San Mateo County, CACA743,5688,866−2%

08San Francisco County, CACA826,0798,372−14%

09Contra Costa County, CACA1,170,0707,495−3%

10Riverside County, CACA2,544,9165,258−9%

11San Bernardino County, CACA2,224,0914,697+0%

12Fresno County, CACA1,035,4563,977−6%

13Ventura County, CACA830,8513,892−1%

14Solano County, CACA455,3762,218−6%

15Monterey County, CACA433,7292,043−1%

16Yolo County, CACA224,4101,747+16%

17San Joaquin County, CACA823,8151,662−10%

18Placer County, CACA442,0811,605+11%

19Santa Barbara County, CACA442,0651,596−18%

20Marin County, CACA253,6941,378−13%

21Santa Cruz County, CACA258,8521,348−27%

22San Luis Obispo County, CACA282,3671,319+51%

23Kern County, CACA927,0681,226+53%

24Sonoma County, CACA486,4441,156−19%

25Tulare County, CACA485,146608+13%

26Sutter County, CACA98,787576+117%

27El Dorado County, CACA192,323557+30%

28Stanislaus County, CACA557,719536−40%

29Imperial County, CACA181,411458+80%

30Merced County, CACA297,260326+20%

31Butte County, CACA209,211287−25%

32Nevada County, CACA101,911259+58%

33Napa County, CACA132,949230−36%

34Shasta County, CACA181,648174−36%

35Humboldt County, CACA131,647171−43%

36Madera County, CACA167,927146+103%

37Kings County, CACA154,327134−66%

38San Benito County, CACA70,082127−24%

39Lake County, CACA67,772119+164%

40Mendocino County, CACA88,122117−19%

41Del Norte County, CACA26,41096+256%

42Tuolumne County, CACA53,16083+36%

43Calaveras County, CACA46,60559+1867%

44Amador County, CACA41,87642+27%

45Mariposa County, CACA16,91837+270%

46Yuba County, CACA88,69134−82%

47Tehama County, CACA64,66532−20%

48Inyo County, CACA18,15824−47%

49Siskiyou County, CACA42,01322−29%

50Modoc County, CACA8,4268–

51Glenn County, CACA28,1417−86%

52Mono County, CACA12,5057−22%

53Lassen County, CACA28,1175−86%

54Alpine County, CACA1,0433–

55Trinity County, CACA15,7201–

SHOWING 1–55 OF 55

Download CSV (full list, 55 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES