Montana Net Migration Rate By County in 2015

Updated on January 22, 2024.

According to the US Census Bureau estimates, in 2015, the net migration rate per 1,000 population for Montana was 5.73. Gallatin County had the highest net migration rate per 1,000 population (27.94), followed by Madison County (24.84), and Richland County (23.93). On the other hand, Petroleum County had the lowest net migration rate per 1,000 population (-29.05), followed by Golden Valley County (-27.73), and Judith Basin County (-26.04).

Net migration rate for a county refers to the difference between the number of migrants, both domestic and international, moving to the county and those leaving the county per 1,000 of the county's mid-year population. A positive rate is known as a net immigration rate, and a negative rate is known as a net emigration rate.

You can also see similar information for other states and also by state for the United States.

Hover over or click on the chart to see this information for each county. The data can also be filtered, sorted, and explored further in a table below.

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Montana Net Migration Rate By County in 2015
Montana Net Migration Rate By County in 2015
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County Net Migration Rate
Beaverhead -2.79
Big Horn -14.56
Blaine -10.45
Broadwater 11.43
Carbon 0.38
Carter -11.32
Cascade -6.47
Chouteau -19.35
Custer 3.9
Daniels -21.41
Dawson 3.56
Deer Lodge 4.39
Fallon 12.1
Fergus -1.77
Flathead 11.75
Gallatin 27.94
Garfield 9.39
Glacier -13.89
Golden Valley -27.73
Granite 8.25
Hill -13.24
Jefferson 8.93
Judith Basin -26.04
Lake 5.79
Lewis and Clark 5.45
Liberty 18.96
Lincoln -1.25
McCone -12.31
Madison 24.84
Meagher -11.42
Mineral 1.67
Missoula 8.57
Musselshell -3.45
Park 7.2
Petroleum -29.05
Phillips -9.61
Pondera -10.62
Powder River -3.38
Powell -9.07
Prairie 13.25
Ravalli 10.34
Richland 23.93
Roosevelt 4.41
Rosebud -3.21
Sanders 0.27
Sheridan 3.82
Silver Bow -1.81
Stillwater 21.23
Sweet Grass -2.48
Teton 3.31
Toole -9.21
Treasure -5.86
Valley -1.57
Wheatland 9.53
Wibaux -8.35
Yellowstone 4.23