RANKING · 2020 CENSUS · 21 SHOWN OF 21

Highest Japanese population share, Montana counties · 2020

Montana counties ranked by the share of all residents who are Japanese (2020 American Community Survey). A concentration measure: Japanese residents as a percentage of total population. This list covers the 21 counties in Montana that qualify, ranked against each other statewide.

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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 SHAREVS –

01Fallon County, MTMT2,9591.0%–

02Treasure County, MTMT7280.8%–

03Toole County, MTMT5,2110.3%–

04Deer Lodge County, MTMT9,7090.3%–

05Missoula County, MTMT123,5130.2%–

06Carbon County, MTMT11,4660.2%–

07Lewis and Clark County, MTMT75,3310.2%–

08Big Horn County, MTMT12,7520.1%–

09Roosevelt County, MTMT10,2420.1%–

10Lake County, MTMT33,3920.1%–

11Valley County, MTMT7,3850.1%–

12Chouteau County, MTMT5,8650.1%–

13Sanders County, MTMT14,0620.1%–

14Gallatin County, MTMT128,7400.0%–

15Flathead County, MTMT115,4290.0%–

16Yellowstone County, MTMT172,6920.0%–

17Cascade County, MTMT85,0290.0%–

18Pondera County, MTMT6,0720.0%–

19Ravalli County, MTMT48,5820.0%–

20Dawson County, MTMT8,6920.0%–

21Jefferson County, MTMT13,3290.0%–

SHOWING 1–21 OF 21

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UPDATED 2026-07-24 · DATA: US CENSUS BUREAU DECENNIAL CENSUS