Idaho Net Migration Rate By County in 2018

Updated on January 22, 2024.

According to the US Census Bureau estimates, in 2018, the net migration rate per 1,000 population for Idaho was 14.32. Boise County had the highest net migration rate per 1,000 population (41.84) followed by Valley County (29.79), and Adams County (24.21). On the other hand, Clark County had the lowest net migration rate per 1,000 population (-47.59), followed by Madison County (-26.05), and Lewis County (-7.51).

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 for the US by state. You can also see links at the bottom of the page for the trend of the net migration rate for each county in Idaho.

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.

See this for other years:
Idaho Net Migration Rate By County in 2018
Idaho Net Migration Rate By County in 2018
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County Net Migration Rate
Ada 22.62
Adams 24.21
Bannock 9.99
Bear Lake -1.49
Benewah 9.79
Bingham 0
Blaine 11.21
Boise 41.84
Bonner 23.5
Bonneville 10.01
Boundary 4.24
Butte 7.34
Camas 12.79
Canyon 23.26
Caribou 1.29
Cassia -2.57
Clark -47.59
Clearwater 16.43
Custer 24.18
Elmore 6.09
Franklin 10.43
Fremont -3.88
Gem 16.93
Gooding -1.91
Idaho 14.32
Jefferson 23.02
Jerome 3.64
Kootenai 21.7
Latah -1.83
Lemhi 20.62
Lewis -7.51
Lincoln -4.29
Madison -26.05
Minidoka -6.48
Nez Perce 0.79
Oneida 8.84
Owyhee 0.77
Payette 11.93
Power 4.2
Shoshone 23.17
Teton 7.45
Twin Falls 3.78
Valley 29.79
Washington 5.67