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. The median across all 15 is 9.

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

01▲1Gallatin County, MTMT128,740229+1662%

02▲1Flathead County, MTMT115,429117+154%

03▼2Lake County, MTMT33,39276+485%

04▲2Yellowstone County, MTMT172,69234−15%

05Teton County, MTMT6,49613–

06▼2Missoula County, MTMT123,51312–

07▲4Roosevelt County, MTMT10,2429–

08▲1Beaverhead County, MTMT10,0439–

09▼4Cascade County, MTMT85,0298–

10Mineral County, MTMT5,1858–

11▲1Lewis and Clark County, MTMT75,3317−92%

12▼5Richland County, MTMT11,3775–

13Silver Bow County, MTMT36,1184−90%

14▼1Golden Valley County, MTMT8441–

15▼1Sanders County, MTMT14,0621–

SHOWING 1–15 OF 15

Download CSV (full list, 15 rows)

UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES