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. The median across all 55 is 536. Biggest climber in the top 100 since 2020: Calaveras County, CA, up 10 places to #43.

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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%

07▲1San Mateo County, CACA743,5688,866−2%

08▼1San Francisco County, CACA826,0798,372−14%

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

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

11San Bernardino County, CACA2,224,0914,6970%

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%

16▲4Yolo County, CACA224,4101,747+16%

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

18▲3Placer County, CACA442,0811,605+11%

19▼3Santa Barbara County, CACA442,0651,596−18%

20▼1Marin County, CACA253,6941,378−13%

21▼3Santa Cruz County, CACA258,8521,348−27%

22▲2San Luis Obispo County, CACA282,3671,319+51%

23▲2Kern County, CACA927,0681,226+53%

24▼2Sonoma County, CACA486,4441,156−19%

25▲1Tulare County, CACA485,146608+13%

26▲8Sutter County, CACA98,787576+117%

27El Dorado County, CACA192,323557+30%

28▼5Stanislaus County, CACA557,719536−40%

29▲6Imperial County, CACA181,411458+80%

30▲2Merced County, CACA297,260326+20%

31▼2Butte County, CACA209,211287−25%

32▲6Nevada County, CACA101,911259+58%

33▼3Napa County, CACA132,949230−36%

34▼1Shasta County, CACA181,648174−36%

35▼4Humboldt County, CACA131,647171−43%

36▲4Madera County, CACA167,927146+103%

37▼9Kings County, CACA154,327134−66%

38▼1San Benito County, CACA70,082127−24%

39▲5Lake County, CACA67,772119+164%

40▼1Mendocino County, CACA88,122117−19%

41▲8Del Norte County, CACA26,41096+256%

42▼1Tuolumne County, CACA53,16083+36%

43▲10Calaveras County, CACA46,60559+1867%

44▲3Amador County, CACA41,87642+27%

45▲5Mariposa County, CACA16,91837+270%

46▼10Yuba County, CACA88,69134−82%

47▼2Tehama County, CACA64,66532−20%

48▼5Inyo County, CACA18,15824−47%

49▼1Siskiyou County, CACA42,01322−29%

50Modoc County, CACA8,4268–

51▼9Glenn County, CACA28,1417−86%

52Mono County, CACA12,5057−22%

53▼7Lassen County, CACA28,1175−86%

54Alpine County, CACA1,0433–

55Trinity County, CACA15,7201–

SHOWING 1–55 OF 55

Download CSV (full list, 55 rows)

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