Iowa Net Migration By County in 2018

Updated on July 26, 2024.

According to the US Census Bureau estimates, in 2018, the net migration for Iowa was -1,736. Polk County had the highest net migration (2,121) followed by Dallas County (2,052), and Warren County (828). On the other hand, Black Hawk County had the lowest net migration (-983), followed by Story County (-882), and Buena Vista County (-456).

Net migration 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. Or to put it simply, the net migration for a given county is the inbound migration minus the outbound migration for that county.

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.

See this for other years:
Iowa Net Migration By County in 2018
Iowa Net Migration By County in 2018
County
Net Migration
Polk 2,121
Dallas 2,052
Warren 828
Linn 557
Johnson 279
Marion 150
Madison 142
Jasper 141
Appanoose 139
Poweshiek 122
Bremer 97
Clarke 81
Taylor 77
Guthrie 72
Keokuk 69
O'Brien 69
Lucas 44
Dickinson 39
Mills 39
Page 38
Jackson 37
Shelby 31
Greene 30
Fremont 29
Iowa 28
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