Ranking of Montana Counties By Percentage of 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 (0.04% of Montana population). Among all Montana counties, Mineral County had the highest percentage of its population with Australian ancestry (0.45%), followed by Golden Valley County (0.24%), and Gallatin County (0.16%).

The chart and table below shows the top 10 counties with high percentage of its population having Australian ancestry.

You can see similar information for other states and for other ancestry groups in Montana.

Data Source: US Census Bureau.
Ranking of Montana Counties By Percentage of Population with Australian Ancestry in 2021
Mineral County
Golden Valley County
Gallatin County
Lake County
Daniels County
Teton County
Richland County
Flathead County
Park County
Beaverhead County
Ranking of Montana Counties By Percentage of Population with Australian Ancestry in 2021
0 of 0
Rank County Percentage of Pop. (%)
1 Mineral County 0.45
2 Golden Valley County 0.24
3 Gallatin County 0.16
3 Lake County 0.16
4 Daniels County 0.12
5 Teton County 0.10
6 Richland County 0.07
7 Flathead County 0.06
7 Park County 0.06
8 Beaverhead County 0.05
9 Cascade County 0.02
9 Missoula County 0.02
9 Roosevelt County 0.02
10 Sanders County 0.01
10 Yellowstone County 0.01
11 Lewis and Clark County 0.004