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RANKING · 2020 CENSUS · 14 SHOWN OF 14

Largest Australian population, Montana counties · 2020

Montana counties ranked by the number of residents who are Australian ancestry, 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 14 counties in Montana that qualify, ranked against each other statewide. The median across all 14 is 9.

Australian Americans: full group profile →
SAME RANKING BYCitiesStatesMetros
Largest Australian population by state
RANKPLACESTATEPOPAUSTRALIAN POPULATIONVS 2010
01Lake County, MTMT33,39290+592%
02Gallatin County, MTMT128,74037+185%
03Flathead County, MTMT115,42936−22%
04Missoula County, MTMT123,51320–
05Cascade County, MTMT85,02918–
06Yellowstone County, MTMT172,69213−68%
07Richland County, MTMT11,3779–
08Park County, MTMT18,2147+17%
09Beaverhead County, MTMT10,0436–
10Daniels County, MTMT1,6123–
11Roosevelt County, MTMT10,2423–
14Sanders County, MTMT14,0621–
SHOWING 1–14 OF 14

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS