Iowa Net Domestic Migration Rate By County in 2021
According to the US Census Bureau estimates, in 2021, the net domestic migration rate for Iowa was 0.56. Dallas County had the highest net domestic migration rate (27.91) followed by Warren County (16.2), and Harrison County (13.81). On the other hand, Crawford County had the lowest net domestic migration rate (-18.03), followed by Adams County (-16.6), and Kossuth County (-14.74).
Net Domestic migration rate for a given county refers to the the difference between number of people moving to the county from other parts of the United States (excluding Puerto Rico) and number of people moving out of the county to other parts of the United States (excluding Puerto Rico) per 1,000 of the mid-year population of the 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.
| County | Net Domestic Migration Rate |
|---|---|
| Adair | 9.46 |
| Adams | -16.6 |
| Allamakee | -7.13 |
| Appanoose | 4.97 |
| Audubon | -1.24 |
| Benton | 7.8 |
| Black Hawk | -6.4 |
| Boone | 5.13 |
| Bremer | 5.27 |
| Buchanan | 1.55 |
| Buena Vista | -9.62 |
| Butler | 5.23 |
| Calhoun | 5.46 |
| Carroll | 2.46 |
| Cass | 3.51 |
| Cedar | -1.25 |
| Cerro Gordo | -2.61 |
| Cherokee | -6.47 |
| Chickasaw | -5.7 |
| Clarke | 2.77 |
| Clay | 8.05 |
| Clayton | 3.76 |
| Clinton | 2.99 |
| Crawford | -18.03 |
| Dallas | 27.91 |
| Davis | -3.39 |
| Decatur | 8.51 |
| Delaware | 4.51 |
| Des Moines | -6.44 |
| Dickinson | 8.59 |
| Dubuque | -5.89 |
| Emmet | 3.43 |
| Fayette | -3.2 |
| Floyd | -5.41 |
| Franklin | -2.91 |
| Fremont | 6.54 |
| Greene | 0.23 |
| Grundy | 4.29 |
| Guthrie | 1.89 |
| Hamilton | -6.43 |
| Hancock | -5.32 |
| Hardin | -0.18 |
| Harrison | 13.81 |
| Henry | 1.27 |
| Howard | 0.42 |
| Humboldt | 5.93 |
| Ida | 0.14 |
| Iowa | -1.74 |
| Jackson | 0.05 |
| Jasper | 1.93 |
| Jefferson | 1.02 |
| Johnson | 3.8 |
| Jones | 11.09 |
| Keokuk | -3.72 |
| Kossuth | -14.74 |
| Lee | -4.55 |
| Linn | -7.49 |
| Louisa | -8.08 |
| Lucas | 11.89 |
| Lyon | 5.59 |
| Madison | 8.68 |
| Mahaska | -7.52 |
| Marion | 1.11 |
| Marshall | -6.17 |
| Mills | 4.92 |
| Mitchell | -0.85 |
| Monona | -7.15 |
| Monroe | 3.69 |
| Montgomery | 6.49 |
| Muscatine | -10.09 |
| O'Brien | -4.18 |
| Osceola | -1.29 |
| Page | 6.05 |
| Palo Alto | -5.47 |
| Plymouth | -0.31 |
| Pocahontas | 1.56 |
| Polk | 3.6 |
| Pottawattamie | -1.81 |
| Poweshiek | 1.02 |
| Ringgold | 8.41 |
| Sac | 0.2 |
| Scott | -2.82 |
| Shelby | 8.85 |
| Sioux | -3.87 |
| Story | 5.05 |
| Tama | -10.12 |
| Taylor | 4.09 |
| Union | -3.64 |
| Van Buren | 5.11 |
| Wapello | -2.21 |
| Warren | 16.2 |
| Washington | -3.64 |
| Wayne | 2.45 |
| Webster | 7.5 |
| Winnebago | 3.85 |
| Winneshiek | -5.5 |
| Woodbury | -5.39 |
| Worth | -5.54 |
| Wright | -6.61 |