Ranking of Montana Counties By Percentage of Population with Croatian Ancestry in 2021

Updated on April 16, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, there were 2.36K people in Montana with Croatian ancestry (0.22% of Montana population). Among all Montana counties, Prairie County had the highest percentage of its population with Croatian ancestry (1.30%), followed by Stillwater County (1.22%), and Judith Basin County (0.80%).

The chart and table below shows the top 10 counties with high percentage of its population having Croatian 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 Croatian Ancestry in 2021
Prairie County
Stillwater County
Judith Basin County
Silver Bow County
Treasure County
Dawson County
Deer Lodge County
Fergus County
Park County
Lewis and Clark County
Ranking of Montana Counties By Percentage of Population with Croatian Ancestry in 2021
0 of 0
Rank County Percentage of Pop. (%)
1 Prairie County 1.30
2 Stillwater County 1.22
3 Judith Basin County 0.80
4 Silver Bow County 0.61
5 Treasure County 0.58
6 Dawson County 0.48
6 Deer Lodge County 0.48
7 Fergus County 0.45
7 Park County 0.45
8 Lewis and Clark County 0.42
9 Cascade County 0.33
10 Beaverhead County 0.27
10 Jefferson County 0.27
11 Missoula County 0.26
12 Flathead County 0.24
13 Chouteau County 0.19
13 Yellowstone County 0.19
14 Carbon County 0.18
15 Custer County 0.16
16 Sanders County 0.15
17 Gallatin County 0.14
18 Lake County 0.08
18 Roosevelt County 0.08
19 Mineral County 0.07
20 Hill County 0.06
21 Madison County 0.04
21 Richland County 0.04
22 Powell County 0.03
22 Teton County 0.03
22 Valley County 0.03
23 Toole County 0.02
24 Blaine County 0.01