Ranking of Iowa Counties By Net International Migration in 2012
Updated on June 21, 2025.
Based on the US Census Vintage data estimates, in 2012, the Net International Migration for Iowa was 4.31K. Among all Iowa counties, Polk County had the highest net international migration (971), followed by Johnson County (713), and Story County (605).
The chart below shows the top 10 counties, and the table below shows the ranking of all Iowa 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.
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Related Topics: Iowa Census Vintage Data Topic List.
Data Source: US Census Bureau (Vintage), 2012 Census.
See this for other years:
Ranking of Iowa Counties By Net International Migration in 2012
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| Rank | County | Net Intl. Migration |
|---|---|---|
| 1 | Polk County | 971 |
| 2 | Johnson County | 713 |
| 3 | Story County | 605 |
| 4 | Linn County | 268 |
| 5 | Jefferson County | 235 |
| 6 | Dallas County | 213 |
| 7 | Black Hawk County | 188 |
| 8 | Woodbury County | 168 |
| 9 | Scott County | 147 |
| 10 | Marshall County | 126 |
| 11 | Wapello County | 67 |
| 12 | Dubuque County | 65 |
| 13 | Buena Vista County | 48 |
| 13 | Sioux County | 48 |
| 14 | Webster County | 35 |
| 15 | Cerro Gordo County | 29 |
| 16 | Muscatine County | 28 |
| 17 | Poweshiek County | 25 |
| 18 | Louisa County | 21 |
| 18 | Warren County | 21 |
| 19 | Clinton County | 20 |
| 19 | Pottawattamie County | 20 |
| 20 | Fayette County | 18 |
| 21 | Allamakee County | 17 |
| 22 | Crawford County | 15 |
| 22 | Des Moines County | 15 |
| 23 | Lee County | 13 |
| 23 | Marion County | 13 |
| 24 | Bremer County | 12 |
| 25 | Shelby County | 10 |
| 26 | Decatur County | 9 |
| 27 | Butler County | 8 |
| 27 | Hamilton County | 8 |
| 27 | Jasper County | 8 |
| 28 | Dickinson County | 7 |
| 28 | Mahaska County | 7 |
| 28 | Plymouth County | 7 |
| 29 | Hardin County | 6 |
| 29 | Palo Alto County | 6 |
| 29 | Union County | 6 |
| 30 | Cedar County | 5 |
| 30 | Jones County | 5 |
| 31 | Benton County | 4 |
| 31 | Emmet County | 4 |
| 31 | Greene County | 4 |
| 31 | Henry County | 4 |
| 31 | Page County | 4 |
| 31 | Wright County | 4 |
| 32 | Buchanan County | 3 |
| 32 | Clayton County | 3 |
| 32 | Delaware County | 3 |
| 32 | Monroe County | 3 |
| 32 | O'Brien County | 3 |
| 33 | Hancock County | 2 |
| 33 | Howard County | 2 |
| 33 | Humboldt County | 2 |
| 33 | Kossuth County | 2 |
| 33 | Lucas County | 2 |
| 33 | Lyon County | 2 |
| 33 | Madison County | 2 |
| 33 | Mitchell County | 2 |
| 33 | Osceola County | 2 |
| 33 | Tama County | 2 |
| 34 | Adair County | 1 |
| 34 | Appanoose County | 1 |
| 34 | Audubon County | 1 |
| 34 | Carroll County | 1 |
| 34 | Cass County | 1 |
| 34 | Fremont County | 1 |
| 34 | Grundy County | 1 |
| 34 | Guthrie County | 1 |
| 34 | Jackson County | 1 |
| 34 | Keokuk County | 1 |
| 34 | Monona County | 1 |
| 34 | Ringgold County | 1 |
| 34 | Taylor County | 1 |
| 34 | Winneshiek County | 1 |
| 34 | Worth County | 1 |
| 35 | Adams County | 0 |
| 35 | Calhoun County | 0 |
| 35 | Cherokee County | 0 |
| 35 | Chickasaw County | 0 |
| 35 | Davis County | 0 |
| 35 | Harrison County | 0 |
| 35 | Ida County | 0 |
| 35 | Montgomery County | 0 |
| 35 | Pocahontas County | 0 |
| 35 | Sac County | 0 |
| 35 | Van Buren County | 0 |
| 35 | Washington County | 0 |
| 35 | Wayne County | 0 |
| 36 | Boone County | -1 |
| 36 | Mills County | -1 |
| 36 | Winnebago County | -1 |
| 37 | Clarke County | -2 |
| 37 | Clay County | -2 |
| 37 | Iowa County | -2 |
| 38 | Franklin County | -3 |
| 39 | Floyd County | -4 |
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