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.
Related Topics: Montana Census Vintage Data Topic List.
Data Source: US Census Bureau (Vintage), 2021 Census.
See this for other years:
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 |