Ranking of Montana Counties By Population with Iranian Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 402 people in Montana with Iranian ancestry. Among all Montana counties, Stillwater County had the highest population with Iranian ancestry (77), followed by Cascade County (76), and Yellowstone County (72).

The chart and table below shows the top 10 counties with high number of people with Iranian 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 Population with Iranian Ancestry in 2021
Stillwater County
Cascade County
Yellowstone County
Gallatin County
Deer Lodge County
Missoula County
Lewis and Clark County
Flathead County
Prairie County
Beaverhead County
Ranking of Montana Counties By Population with Iranian Ancestry in 2021
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Rank County Population
1 Stillwater County 77
2 Cascade County 76
3 Yellowstone County 72
4 Gallatin County 62
5 Deer Lodge County 47
6 Missoula County 25
7 Lewis and Clark County 16
8 Flathead County 13
9 Prairie County 7
10 Beaverhead County 2
10 Custer County 2
10 Silver Bow County 2
11 Granite County 1