Ranking of Montana Counties By Net Migration Rate per 1K in 2023
Updated on June 18, 2025.
Based on the US Census Vintage data estimates, in 2023, the Net Migration Rate per 1K for Montana was 8.41. Among all Montana counties, Petroleum County had the highest net migration rate (54.56), followed by Musselshell County (34.64), and Broadwater County (31.67).
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), 2023 Census.
See this for other years:
Ranking of Montana Counties By Net Migration Rate per 1K in 2023
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| Rank | County | Net Migration Rate |
|---|---|---|
| 1 | Petroleum County | 54.56 |
| 2 | Musselshell County | 34.64 |
| 3 | Broadwater County | 31.67 |
| 4 | Madison County | 30.83 |
| 5 | Granite County | 28.67 |
| 6 | Sanders County | 28.24 |
| 7 | Golden Valley County | 24.63 |
| 8 | Treasure County | 23.75 |
| 9 | Lincoln County | 23.3 |
| 10 | Mineral County | 21.04 |
| 11 | Meagher County | 19.11 |
| 12 | Jefferson County | 18.5 |
| 13 | Deer Lodge County | 18 |
| 14 | Beaverhead County | 17.52 |
| 15 | Carbon County | 17.03 |
| 16 | Teton County | 16.58 |
| 17 | Lewis and Clark County | 15.61 |
| 18 | Ravalli County | 15.17 |
| 19 | Lake County | 14.89 |
| 20 | Fergus County | 14.65 |
| 21 | Flathead County | 14.22 |
| 22 | Powell County | 13.96 |
| 23 | Silver Bow County | 13.88 |
| 24 | Sweet Grass County | 13.11 |
| 25 | Wheatland County | 12.65 |
| 26 | Toole County | 11.77 |
| 27 | Park County | 11.42 |
| 28 | Carter County | 9.28 |
| 29 | Judith Basin County | 7.65 |
| 30 | Phillips County | 7.56 |
| 31 | Powder River County | 7.52 |
| 32 | Prairie County | 6.28 |
| 33 | Hill County | 6.26 |
| 34 | Gallatin County | 6.04 |
| 35 | Missoula County | 5.19 |
| 36 | Dawson County | 5.11 |
| 37 | Stillwater County | 4.78 |
| 38 | Yellowstone County | 4.63 |
| 39 | Pondera County | 2.62 |
| 40 | Custer County | 2.33 |
| 41 | Rosebud County | -0.74 |
| 42 | Cascade County | -1.84 |
| 43 | Liberty County | -2.03 |
| 44 | Glacier County | -2.87 |
| 45 | Daniels County | -4.89 |
| 46 | Big Horn County | -5.37 |
| 47 | Chouteau County | -5.43 |
| 48 | Garfield County | -6.56 |
| 49 | Wibaux County | -7.66 |
| 50 | Richland County | -9.06 |
| 51 | Valley County | -9.31 |
| 52 | Sheridan County | -9.66 |
| 53 | Blaine County | -13.01 |
| 54 | Roosevelt County | -17.66 |
| 55 | Fallon County | -18.85 |
| 56 | McCone County | -21.79 |