Ranking of Montana Counties By Net Migration Rate per 1K in 2021

Updated on June 18, 2025.

Based on the US Census Vintage data estimates, in 2021, the Net Migration Rate per 1K for Montana was 19.38. Among all Montana counties, Mineral County had the highest net migration rate (73.41), followed by Broadwater County (68.64), and Lincoln County (51.76).

The chart below shows the top 10 counties, and the table below shows the ranking of all Montana counties.

You can see similar ranking information for related topics, and for other states. You can also see the ranking of all counties in the United States.

See this for other years:
Ranking of Montana Counties By Net Migration Rate per 1K in 2021
Mineral
Broadwater
Lincoln
Sanders
Ravalli
Petroleum
Musselshell
Carbon
Madison
Flathead
Ranking of Montana Counties By Net Migration Rate per 1K in 2021
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Rank County Net Migration Rate
1 Mineral County 73.41
2 Broadwater County 68.64
3 Lincoln County 51.76
4 Sanders County 51.24
5 Ravalli County 44.55
6 Petroleum County 43.05
7 Musselshell County 42.45
8 Carbon County 40.72
9 Madison County 39.97
10 Flathead County 38.94
11 Garfield County 34.5
12 Jefferson County 33.64
13 Lake County 29.75
14 Gallatin County 25.26
15 Pondera County 24.72
16 Meagher County 23.67
17 Park County 22.1
18 Beaverhead County 21.87
19 Daniels County 20.46
20 Lewis and Clark County 19.6
21 Sweet Grass County 18.72
22 Fergus County 18.62
23 Prairie County 18.3
24 Granite County 18.02
25 Deer Lodge County 17.95
26 Powell County 17.62
27 Silver Bow County 14.25
28 Yellowstone County 13.89
29 Treasure County 13.11
30 Wibaux County 12.82
31 Missoula County 11.75
32 Custer County 11.67
33 Sheridan County 11.54
34 Powder River County 11.18
35 Carter County 10.63
36 Judith Basin County 9.35
37 Toole County 8.64
38 Chouteau County 8.27
39 Stillwater County 7.1
40 Teton County 6.06
41 Golden Valley County 4.89
42 Valley County 4.23
43 Phillips County 3.33
44 Cascade County 2.79
45 Roosevelt County 2.78
46 Glacier County -0.15
47 Dawson County -1.46
48 Blaine County -3.14
49 Hill County -7.09
50 Fallon County -8.94
51 Wheatland County -9.73
52 Big Horn County -10.16
53 McCone County -11.63
54 Liberty County -12.84
55 Richland County -19.77
56 Rosebud County -23.19