RANKING · 2020 CENSUS · 21 SHOWN OF 21

Largest Japanese population, Montana counties · 2020

Montana counties ranked by the number of residents who are Japanese, 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 21 counties in Montana 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 –

01Missoula County, MTMT123,513270–

02Lewis and Clark County, MTMT75,331115–

03Yellowstone County, MTMT172,69269–

04Gallatin County, MTMT128,74054–

05Flathead County, MTMT115,42947–

06Fallon County, MTMT2,95930–

07Lake County, MTMT33,39228–

08Deer Lodge County, MTMT9,70923–

09Carbon County, MTMT11,46622–

10Big Horn County, MTMT12,75218–

11Cascade County, MTMT85,02918–

12Toole County, MTMT5,21114–

13Roosevelt County, MTMT10,24211–

14Ravalli County, MTMT48,5827–

15Sanders County, MTMT14,0626–

16Treasure County, MTMT7285–

17Valley County, MTMT7,3854–

18Chouteau County, MTMT5,8653–

19Dawson County, MTMT8,6921–

20Jefferson County, MTMT13,3291–

21Pondera County, MTMT6,0721–

SHOWING 1–21 OF 21

Download CSV (full list, 21 rows)

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