RANKING · 2020 CENSUS · 14 SHOWN OF 14

Highest Australian population share, Montana counties · 2020

Montana counties ranked by the share of all residents who are Australian ancestry (2023 American Community Survey). A concentration measure: Australian residents as a percentage of total population. This list covers the 14 counties in Montana that qualify, ranked against each other statewide.

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

YEAR2010 2020 2024

Highest Australian population share by state

RANKPLACESTATEPOPAUSTRALIAN SHAREVS 2000

01Lake County, MTMT33,3920.3%–

02Daniels County, MTMT1,6120.2%–

03Golden Valley County, MTMT8440.1%–

04Richland County, MTMT11,3770.1%–

05Beaverhead County, MTMT10,0430.1%–

06Park County, MTMT18,2140.0%–

07Flathead County, MTMT115,4290.0%–

08Gallatin County, MTMT128,7400.0%–

09Roosevelt County, MTMT10,2420.0%–

10Cascade County, MTMT85,0290.0%–

11Missoula County, MTMT123,5130.0%–

12Sanders County, MTMT14,0620.0%–

13Yellowstone County, MTMT172,6920.0%–

14Lewis and Clark County, MTMT75,3310.0%–

SHOWING 1–14 OF 14

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UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES