Ranking of Montana Counties By Population with Basque Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 581 people in Montana with Basque ancestry. Among all Montana counties, Lewis and Clark County had the highest population with Basque ancestry (93), followed by Yellowstone County (86), and Ravalli County (62).

The chart and table below shows the top 10 counties with high number of people with Basque 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 Basque Ancestry in 2021
Lewis and Clark County
Yellowstone County
Ravalli County
Gallatin County
Cascade County
Madison County
Missoula County
Jefferson County
Deer Lodge County
Hill County
Ranking of Montana Counties By Population with Basque Ancestry in 2021
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Rank County Population
1 Lewis and Clark County 93
2 Yellowstone County 86
3 Ravalli County 62
4 Gallatin County 48
5 Cascade County 39
6 Madison County 38
7 Missoula County 33
8 Jefferson County 30
9 Deer Lodge County 18
10 Hill County 17
10 Musselshell County 17
11 Carbon County 15
12 Flathead County 14
13 Custer County 13
14 Stillwater County 11
15 Lake County 7
15 Richland County 7
16 Park County 6
16 Sanders County 6
17 Silver Bow County 5
18 Valley County 4
19 Carter County 3
19 Fergus County 3
19 Mineral County 3
19 Powder River County 3