Ranking of Montana Counties By Population with Australian Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 399 people in Montana with Australian ancestry. Among all Montana counties, Gallatin County had the highest population with Australian ancestry (185), followed by Flathead County (62), and Lake County (48).
The chart and table below shows the top 10 counties with high number of people with Australian ancestry.
You can see similar information for other states and for other ancestry groups in Montana.
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Related Topics: Montana ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census Bureau.
Ranking of Montana Counties By Population with Australian Ancestry in 2021
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| Rank | County | Population |
|---|---|---|
| 1 | Gallatin County | 185 |
| 2 | Flathead County | 62 |
| 3 | Lake County | 48 |
| 4 | Mineral County | 20 |
| 4 | Missoula County | 20 |
| 5 | Cascade County | 17 |
| 6 | Park County | 10 |
| 7 | Richland County | 8 |
| 7 | Yellowstone County | 8 |
| 8 | Teton County | 6 |
| 9 | Beaverhead County | 5 |
| 10 | Lewis and Clark County | 3 |
| 11 | Daniels County | 2 |
| 11 | Golden Valley County | 2 |
| 11 | Roosevelt County | 2 |
| 12 | Sanders County | 1 |