Counties in Iowa by net domestic migration, July to June
Polk County had the highest net domestic migration, July to June of 99 counties in 2017, at 1,902. Black Hawk County had the lowest, at -1,550. The median was -47 and the figure for Iowa was -3,850. Source: the U.S. Census Bureau.
Top 40 counties, 2017
Full ranking
| Rank | Counties | 2017 | Change on 2016 |
|---|---|---|---|
| 1 | Polk County Estimated | 1,902 | -20.6% |
| 2 | Dallas County Estimated | 1,883 | -26.5% |
| 3 | Linn County Estimated | 817 | +59.6% |
| 4 | Warren County Estimated | 605 | -15.6% |
| 5 | Johnson County Estimated | 338 | +2,716.7% |
| 6 | Jasper County Estimated | 289 | +391.9% |
| 7 | Henry County Estimated | 193 | +450.9% |
| 8 | Madison County Estimated | 185 | +224.6% |
| 9 | Jones County Estimated | 184 | +453.8% |
| 10 | Cedar County Estimated | 123 | +25.5% |
| 11 | Dickinson County Estimated | 98 | -19.7% |
| 12 | Washington County Estimated | 84 | +186.6% |
| 13 | Poweshiek County Estimated | 83 | +205.1% |
| 14 | Union County Estimated | 72 | +244% |
| 15 | Harrison County Estimated | 69 | +200% |
| 16 | Boone County Estimated | 68 | +1,033.3% |
| 17 | Adair County Estimated | 65 | +165% |
| 18 | Buchanan County Estimated | 60 | +131.3% |
| 19 | Mahaska County Estimated | 57 | +128.4% |
| 20 | Clarke County Estimated | 51 | +82.1% |
| 21 | Ringgold County Estimated | 49 | +96% |
| 22 | Grundy County Estimated | 42 | +139.3% |
| 23 | Humboldt County Estimated | 41 | +295.2% |
| 24 | Wayne County Estimated | 32 | -58.4% |
| 25 | Guthrie County Estimated | 19 | +480% |
| 25 | Palo Alto County Estimated | 19 | +117% |
| 27 | Cass County Estimated | 10 | +107.9% |
| 28 | Sac County Estimated | 6 | +104.8% |
| 29 | Mills County Estimated | 5 | -96.2% |
| 30 | Bremer County Estimated | 4 | +104.5% |
| 31 | Montgomery County Estimated | -1 | +94.4% |
| 31 | Pocahontas County Estimated | -1 | +99% |
| 33 | Davis County Estimated | -2 | -103.1% |
| 34 | Clayton County Estimated | -6 | +91% |
| 35 | Monroe County Estimated | -8 | +89.7% |
| 36 | Fremont County Estimated | -10 | -121.7% |
| 36 | Monona County Estimated | -10 | +33.3% |
| 38 | Worth County Estimated | -12 | +47.8% |
| 39 | Lucas County Estimated | -21 | +12.5% |
| 40 | Greene County Estimated | -22 | -131% |
| 40 | Winnebago County Estimated | -22 | -181.5% |
| 42 | Keokuk County Estimated | -29 | -93.3% |
| 43 | Shelby County Estimated | -33 | +64.1% |
| 44 | Adams County Estimated | -37 | +21.3% |
| 45 | Hamilton County Estimated | -39 | +78.9% |
| 46 | Calhoun County Estimated | -41 | -228.1% |
| 46 | Franklin County Estimated | -41 | +71.1% |
| 48 | Jackson County Estimated | -42 | -2,200% |
| 49 | Howard County Estimated | -44 | +22.8% |
| 50 | Audubon County Estimated | -47 | +28.8% |
| 50 | Cerro Gordo County Estimated | -47 | -126.9% |
| 52 | Dubuque County Estimated | -49 | +91.4% |
| 53 | Cherokee County Estimated | -50 | +7.4% |
| 54 | Osceola County Estimated | -55 | +23.6% |
| 55 | Page County Estimated | -56 | +48.1% |
| 56 | Lyon County Estimated | -61 | -27.1% |
| 57 | Butler County Estimated | -62 | +59.2% |
| 58 | Wright County Estimated | -67 | -76.3% |
| 59 | Mitchell County Estimated | -71 | -195.8% |
| 60 | Ida County Estimated | -72 | -7,300% |
| 61 | Jefferson County Estimated | -73 | +13.1% |
| 62 | Iowa County Estimated | -74 | +8.6% |
| 63 | Benton County Estimated | -77 | -71.1% |
| 64 | Louisa County Estimated | -81 | +47.4% |
| 65 | Chickasaw County Estimated | -83 | -16.9% |
| 65 | Marion County Estimated | -83 | -245.8% |
| 65 | Taylor County Estimated | -83 | -97.6% |
| 68 | Van Buren County Estimated | -86 | -87% |
| 69 | Hardin County Estimated | -94 | -184.8% |
| 70 | Allamakee County Estimated | -98 | -46.3% |
| 71 | Marshall County Estimated | -102 | +73.7% |
| 72 | O'Brien County Estimated | -107 | -609.5% |
| 73 | Carroll County Estimated | -112 | -67.2% |
| 73 | Crawford County Estimated | -112 | +15.8% |
| 75 | Hancock County Estimated | -124 | +16.2% |
| 76 | Floyd County Estimated | -126 | -32.6% |
| 77 | Appanoose County Estimated | -128 | -120.7% |
| 77 | Decatur County Estimated | -128 | -25.5% |
| 79 | Emmet County Estimated | -148 | -17.5% |
| 80 | Fayette County Estimated | -151 | +42.6% |
| 81 | Kossuth County Estimated | -163 | -213.5% |
| 82 | Delaware County Estimated | -165 | -8.6% |
| 82 | Tama County Estimated | -165 | -236.7% |
| 84 | Plymouth County Estimated | -176 | -192.6% |
| 85 | Webster County Estimated | -180 | +48.3% |
| 86 | Clay County Estimated | -183 | +6.6% |
| 87 | Lee County Estimated | -194 | +53.3% |
| 88 | Winneshiek County Estimated | -281 | +18.8% |
| 89 | Des Moines County Estimated | -284 | +3.4% |
| 90 | Muscatine County Estimated | -309 | +2.8% |
| 91 | Clinton County Estimated | -336 | +7.4% |
| 92 | Pottawattamie County Estimated | -349 | +6.2% |
| 93 | Buena Vista County Estimated | -427 | -58.7% |
| 94 | Sioux County Estimated | -440 | -358.3% |
| 95 | Wapello County Estimated | -473 | -29.6% |
| 96 | Scott County Estimated | -479 | +33.7% |
| 97 | Story County Estimated | -816 | +1.9% |
| 98 | Woodbury County Estimated | -1,205 | -86.5% |
| 99 | Black Hawk County Estimated | -1,550 | -3.5% |
Other periods
About this ranking
Estimated moves into an area from elsewhere in the same country minus moves out to the rest of the country, from July 1 of the previous year through June 30 of the reported year. United States: states and counties. Canada: provinces and territories, net interprovincial migration (Statistics Canada). United Kingdom: local authorities, counting moves between any two UK local authorities, including across the borders of England, Wales, Scotland and Northern Ireland (ONS internal migration). A negative value means more people left than arrived.
Sums to zero, or close to it, for each country as a whole, so there is no national value.
Every value in the ranking comes from the same publisher and the same period, so the counties are compared on one definition. Equal values share a rank.
How to cite
U.S. Census Bureau. Population Estimates Program: net domestic migration, states and counties, July 1 of the previous year to June 30 of the reported year; vintage 2020 files for 2011 to 2020 and the latest 2020s vintage from 2021. https://www.census.gov/programs-surveys/popest/data/data-sets.html. Retrieved 2026-10-12.Citation styles
APA 7
U.S. Census Bureau. (2026). Population Estimates Program: net domestic migration, states and counties, July 1 of the previous year to June 30 of the reported year; vintage 2020 files for 2011 to 2020 and the latest 2020s vintage from 2021 (Counties in Iowa by net domestic migration, July to June, 2017) [Data set]. Retrieved October 12, 2026, from https://www.census.gov/programs-surveys/popest/data/data-sets.html
MLA 9
Population Estimates Program: net domestic migration, states and counties, July 1 of the previous year to June 30 of the reported year; vintage 2020 files for 2011 to 2020 and the latest 2020s vintage from 2021, Counties in Iowa by net domestic migration, July to June, 2017. U.S. Census Bureau, 26 Mar. 2026, https://www.census.gov/programs-surveys/popest/data/data-sets.html. Invokely, https://invokely.ai/rankings/net-domestic-migration-july-june/iowa-counties?period=2017. Accessed 12 Oct. 2026.
Chicago (author-date)
U.S. Census Bureau. 2026. Population Estimates Program: net domestic migration, states and counties, July 1 of the previous year to June 30 of the reported year; vintage 2020 files for 2011 to 2020 and the latest 2020s vintage from 2021. Counties in Iowa by net domestic migration, July to June, 2017. Dataset. Accessed October 12, 2026. https://www.census.gov/programs-surveys/popest/data/data-sets.html. Also distributed by Invokely, https://invokely.ai/rankings/net-domestic-migration-july-june/iowa-counties?period=2017.
Harvard
U.S. Census Bureau (2026) Population Estimates Program: net domestic migration, states and counties, July 1 of the previous year to June 30 of the reported year; vintage 2020 files for 2011 to 2020 and the latest 2020s vintage from 2021, Counties in Iowa by net domestic migration, July to June, 2017 [Dataset]. Available at: https://www.census.gov/programs-surveys/popest/data/data-sets.html, via Invokely: https://invokely.ai/rankings/net-domestic-migration-july-june/iowa-counties?period=2017 (Accessed: 12 October 2026).
BibTeX
@misc{census_counties_in_iowa_by_2017,
author = {{U.S. Census Bureau}},
title = {{Population Estimates Program: net domestic migration, states and counties, July 1 of the previous year to June 30 of the reported year; vintage 2020 files for 2011 to 2020 and the latest 2020s vintage from 2021: Counties in Iowa by net domestic migration, July to June, 2017}},
year = {2026},
howpublished = {Data set},
url = {https://www.census.gov/programs-surveys/popest/data/data-sets.html},
urldate = {2026-10-12},
note = {Accessed via Invokely, https://invokely.ai/rankings/net-domestic-migration-july-june/iowa-counties?period=2017. Publisher attribution: U.S. Census Bureau. Population Estimates Program: net domestic migration, states and counties, July 1 of the previous year to June 30 of the reported year; vintage 2020 files for 2011 to 2020 and the latest 2020s vintage from 2021. https://www.census.gov/programs-surveys/popest/data/data-sets.html. Retrieved 2026-10-12.},
}
RIS
TY - DATA
AU - U.S. Census Bureau
TI - Population Estimates Program: net domestic migration, states and counties, July 1 of the previous year to June 30 of the reported year; vintage 2020 files for 2011 to 2020 and the latest 2020s vintage from 2021: Counties in Iowa by net domestic migration, July to June, 2017
PY - 2026
DA - 2026/03/26
PB - U.S. Census Bureau
DB - Invokely
UR - https://www.census.gov/programs-surveys/popest/data/data-sets.html
L2 - https://invokely.ai/rankings/net-domestic-migration-july-june/iowa-counties?period=2017
Y2 - 2026/10/12
N1 - Accessed via Invokely, https://invokely.ai/rankings/net-domestic-migration-july-june/iowa-counties?period=2017.
N1 - Publisher attribution: U.S. Census Bureau. Population Estimates Program: net domestic migration, states and counties, July 1 of the previous year to June 30 of the reported year; vintage 2020 files for 2011 to 2020 and the latest 2020s vintage from 2021. https://www.census.gov/programs-surveys/popest/data/data-sets.html. Retrieved 2026-10-12.
ER -
Use this data in your AI agent
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Rank Counties in Iowa by net domestic migration, July to June using official data, and cite the source.
rank_places {"indicator":"net_domestic_migration_july_june","level":"province","within":"Iowa","limit":10}
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Which county has the highest net domestic migration, July to June?
Polk County, with 1,902 in 2017, according to the U.S. Census Bureau.
Which county has the lowest net domestic migration, July to June?
Black Hawk County, with -1,550 in 2017.
Where does this ranking come from?
Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, Population Estimates Program: net domestic migration, states and counties, July 1 of the previous year to June 30 of the reported year; vintage 2020 files for 2011 to 2020 and the latest 2020s vintage from 2021. Retrieved 2026-10-12.