RANKING · 2024 ACS · 26 SHOWN OF 26

Largest Japanese population, Montana counties

Montana 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 26 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 2020

01Yellowstone County, MTMT172,692283+310%

02Missoula County, MTMT123,51369−74%

03Gallatin County, MTMT128,74060+11%

04Flathead County, MTMT115,42958+23%

05Cascade County, MTMT85,02940+122%

06Lake County, MTMT33,39235+25%

07Prairie County, MTMT1,11234–

08Madison County, MTMT10,02633–

09Big Horn County, MTMT12,75225+39%

10Lincoln County, MTMT22,32819–

11Lewis and Clark County, MTMT75,33117−85%

12Powder River County, MTMT1,78117–

13Dawson County, MTMT8,6929+800%

14Jefferson County, MTMT13,3299+800%

15Roosevelt County, MTMT10,2428−27%

16Toole County, MTMT5,2118−43%

17Glacier County, MTMT13,4635–

18Custer County, MTMT12,0344–

19Powell County, MTMT7,1574–

20Mineral County, MTMT5,1853–

21Petroleum County, MTMT5483–

22Pondera County, MTMT6,0722+100%

23Deer Lodge County, MTMT9,7091−96%

24Sanders County, MTMT14,0621−83%

25Beaverhead County, MTMT10,0431–

26Treasure County, MTMT7281−80%

SHOWING 1–26 OF 26

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