Ranking of Iowa Counties By Net Migration Rate per 1K in 2017
Updated on June 21, 2025.
Based on the US Census Vintage data estimates, in 2017, the Net Migration Rate per 1K for Iowa was 0.75. Among all Iowa counties, Dallas County had the highest net migration rate (24.75), followed by Warren County (12.23), and Madison County (12.01).
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), 2017 Census.
See this for other years:
Ranking of Iowa Counties By Net Migration Rate per 1K in 2017
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| Rank | County | Net Migration Rate |
|---|---|---|
| 1 | Dallas County | 24.75 |
| 2 | Warren County | 12.23 |
| 3 | Madison County | 12.01 |
| 4 | Henry County | 10.58 |
| 4 | Ringgold County | 10.58 |
| 5 | Johnson County | 10.1 |
| 6 | Adair County | 9.54 |
| 7 | Jones County | 9.51 |
| 8 | Clarke County | 8.88 |
| 9 | Jasper County | 8 |
| 10 | Jefferson County | 7.58 |
| 11 | Union County | 7.17 |
| 12 | Dickinson County | 6.94 |
| 13 | Cedar County | 6.79 |
| 14 | Polk County | 6.52 |
| 15 | Poweshiek County | 6.49 |
| 16 | Linn County | 5.61 |
| 17 | Harrison County | 4.97 |
| 18 | Wayne County | 4.95 |
| 19 | Palo Alto County | 4.65 |
| 20 | Humboldt County | 4.5 |
| 21 | Mahaska County | 4.34 |
| 22 | Washington County | 4.28 |
| 23 | Grundy County | 3.42 |
| 24 | Buchanan County | 3.18 |
| 25 | Boone County | 2.53 |
| 25 | Guthrie County | 2.53 |
| 26 | Bremer County | 2.46 |
| 27 | Cass County | 2.05 |
| 28 | Dubuque County | 0.91 |
| 29 | Sac County | 0.51 |
| 30 | Clayton County | 0.45 |
| 31 | Montgomery County | 0.4 |
| 32 | Mills County | 0.33 |
| 33 | Davis County | 0 |
| 34 | Pocahontas County | -0.29 |
| 35 | Story County | -0.56 |
| 36 | Cerro Gordo County | -0.58 |
| 37 | Monroe County | -1.02 |
| 38 | Fremont County | -1.15 |
| 39 | Winnebago County | -1.23 |
| 40 | Monona County | -1.26 |
| 41 | Scott County | -1.43 |
| 42 | Worth County | -1.47 |
| 43 | Keokuk County | -1.87 |
| 44 | Marshall County | -1.95 |
| 45 | Jackson County | -2.11 |
| 46 | Marion County | -2.14 |
| 47 | Hamilton County | -2.26 |
| 48 | Greene County | -2.34 |
| 49 | Lucas County | -2.57 |
| 50 | Page County | -2.68 |
| 51 | Benton County | -2.69 |
| 52 | Louisa County | -2.76 |
| 53 | Shelby County | -3.01 |
| 54 | Calhoun County | -3.28 |
| 55 | Pottawattamie County | -3.31 |
| 56 | Butler County | -3.48 |
| 57 | Cherokee County | -3.52 |
| 58 | Franklin County | -3.64 |
| 59 | Webster County | -3.92 |
| 60 | Wright County | -4.22 |
| 61 | Hardin County | -4.55 |
| 62 | Lyon County | -4.66 |
| 63 | Iowa County | -4.82 |
| 64 | Howard County | -4.97 |
| 65 | Crawford County | -5.03 |
| 66 | Muscatine County | -5.27 |
| 67 | Carroll County | -5.37 |
| 68 | Allamakee County | -5.57 |
| 69 | Lee County | -5.74 |
| 70 | Des Moines County | -5.89 |
| 71 | Clinton County | -6.35 |
| 72 | Mitchell County | -6.61 |
| 73 | Chickasaw County | -6.72 |
| 73 | Plymouth County | -6.72 |
| 74 | Floyd County | -6.76 |
| 75 | Fayette County | -6.78 |
| 76 | O'Brien County | -7.65 |
| 77 | Audubon County | -8.05 |
| 78 | Wapello County | -8.53 |
| 79 | Osceola County | -8.75 |
| 80 | Delaware County | -9.18 |
| 81 | Black Hawk County | -9.28 |
| 82 | Tama County | -9.58 |
| 83 | Appanoose County | -9.81 |
| 84 | Woodbury County | -10.03 |
| 85 | Adams County | -10.07 |
| 86 | Kossuth County | -10.19 |
| 87 | Ida County | -10.42 |
| 88 | Clay County | -10.66 |
| 89 | Hancock County | -11.18 |
| 90 | Sioux County | -11.3 |
| 91 | Van Buren County | -11.81 |
| 92 | Taylor County | -11.84 |
| 93 | Winneshiek County | -13.16 |
| 94 | Emmet County | -14.3 |
| 95 | Decatur County | -14.86 |
| 96 | Buena Vista County | -16.06 |