RANKING · 2024 ACS · 15 SHOWN OF 15

Largest Australian population, Montana counties

Montana counties ranked by the number of residents who are Australian ancestry, 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 15 counties in Montana that qualify, ranked against each other statewide.

Australian Americans: full group profile →

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SAME RANKING BYCities States Metros

RELATEDLargest American population Highest American population share Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share

YEAR2010 2020 2024

Largest Australian population by state

RANKPLACESTATEPOPAUSTRALIAN POPULATIONVS 2010

01Gallatin County, MTMT128,740229+1662%

02Flathead County, MTMT115,429117+154%

03Lake County, MTMT33,39276+485%

04Yellowstone County, MTMT172,69234−15%

05Teton County, MTMT6,49613–

06Missoula County, MTMT123,51312–

07Roosevelt County, MTMT10,2429–

08Beaverhead County, MTMT10,0439–

09Cascade County, MTMT85,0298–

10Mineral County, MTMT5,1858–

11Lewis and Clark County, MTMT75,3317−92%

12Richland County, MTMT11,3775–

13Silver Bow County, MTMT36,1184−90%

14Golden Valley County, MTMT8441–

15Sanders County, MTMT14,0621–

SHOWING 1–15 OF 15

Download CSV (full list, 15 rows)

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