Counties in Iowa by net international migration rate, July to June
Jefferson County had the highest net international migration rate, July to June of 99 counties in 2017, at 11.62 per 1,000 inhabitants. Iowa County had the lowest, at -0.25 per 1,000 inhabitants. The median was 0.54 per 1,000 inhabitants and the figure for Iowa was 1.97 per 1,000 inhabitants. Source: the U.S. Census Bureau.
Top 40 counties, 2017
Full ranking
| Rank | Counties | 2017 | Change on 2016 |
|---|---|---|---|
| 1 | Jefferson County Estimated | 11.62 | +0.99 pts |
| 2 | Story County Estimated | 7.84 | +0.16 pts |
| 3 | Johnson County Estimated | 7.82 | +1.21 pts |
| 4 | Buena Vista County Estimated | 5.04 | -0.56 pts |
| 5 | Wapello County Estimated | 4.92 | +0.99 pts |
| 6 | Louisa County Estimated | 4.46 | +0.37 pts |
| 7 | Clarke County Estimated | 3.42 | -0.36 pts |
| 8 | Dallas County Estimated | 2.79 | +0.28 pts |
| 9 | Palo Alto County Estimated | 2.54 | +0.12 pts |
| 10 | Polk County Estimated | 2.54 | +0.28 pts |
| 11 | Black Hawk County Estimated | 2.4 | +0.13 pts |
| 12 | Bremer County Estimated | 2.3 | +0.6 pts |
| 13 | Poweshiek County Estimated | 1.96 | +0.16 pts |
| 14 | Linn County Estimated | 1.95 | +0.29 pts |
| 15 | Muscatine County Estimated | 1.94 | +0.28 pts |
| 16 | Mahaska County Estimated | 1.79 | -0.04 pts |
| 17 | Woodbury County Estimated | 1.74 | +0.04 pts |
| 18 | Taylor County Estimated | 1.62 | +0.18 pts |
| 19 | Crawford County Estimated | 1.52 | -3.51 pts |
| 20 | Allamakee County Estimated | 1.52 | -0.93 pts |
| 21 | Dubuque County Estimated | 1.41 | +0.1 pts |
| 22 | Union County Estimated | 1.37 | +0.4 pts |
| 23 | Scott County Estimated | 1.34 | -0.15 pts |
| 24 | Sioux County Estimated | 1.32 | -0.34 pts |
| 25 | Cass County Estimated | 1.29 | +0.01 pts |
| 26 | Des Moines County Estimated | 1.29 | +0.18 pts |
| 27 | Emmet County Estimated | 1.26 | +0.23 pts |
| 28 | Dickinson County Estimated | 1.22 | -0.18 pts |
| 29 | Floyd County Estimated | 1.2 | -0.31 pts |
| 30 | Decatur County Estimated | 1.12 | -0.23 pts |
| 31 | Wright County Estimated | 1.02 | -0.62 pts |
| 32 | Keokuk County Estimated | 0.98 | +0.3 pts |
| 33 | Page County Estimated | 0.98 | -0.45 pts |
| 34 | Webster County Estimated | 0.98 | -0.78 pts |
| 35 | Hardin County Estimated | 0.93 | +0.12 pts |
| 36 | Calhoun County Estimated | 0.92 | +0.41 pts |
| 37 | Henry County Estimated | 0.9 | -0.46 pts |
| 38 | Cherokee County Estimated | 0.88 | +0.27 pts |
| 39 | Fayette County Estimated | 0.86 | -0.14 pts |
| 40 | Winnebago County Estimated | 0.85 | +0.47 pts |
| 41 | Ringgold County Estimated | 0.8 | -0 pts |
| 42 | Clayton County Estimated | 0.79 | -0.11 pts |
| 43 | Clinton County Estimated | 0.79 | -0.23 pts |
| 44 | Butler County Estimated | 0.75 | +0.01 pts |
| 45 | Guthrie County Estimated | 0.75 | 0 pts |
| 46 | Winneshiek County Estimated | 0.69 | +0.01 pts |
| 47 | Kossuth County Estimated | 0.67 | -0.13 pts |
| 48 | Clay County Estimated | 0.62 | -0.36 pts |
| 49 | Marshall County Estimated | 0.6 | -2.19 pts |
| 50 | Jones County Estimated | 0.54 | -0.05 pts |
| 51 | Cerro Gordo County Estimated | 0.51 | -0.37 pts |
| 52 | Lyon County Estimated | 0.51 | -0.17 pts |
| 53 | Washington County Estimated | 0.5 | -0.09 pts |
| 54 | Montgomery County Estimated | 0.49 | 0 pts |
| 55 | Appanoose County Estimated | 0.48 | +0.08 pts |
| 56 | Pottawattamie County Estimated | 0.42 | -0.18 pts |
| 57 | Delaware County Estimated | 0.41 | +0.12 pts |
| 58 | Franklin County Estimated | 0.39 | -0.19 pts |
| 59 | Madison County Estimated | 0.38 | -0 pts |
| 60 | Marion County Estimated | 0.36 | -0.06 pts |
| 61 | Audubon County Estimated | 0.36 | +0.18 pts |
| 62 | Buchanan County Estimated | 0.33 | -0.05 pts |
| 63 | Hamilton County Estimated | 0.33 | -0.13 pts |
| 64 | Osceola County Estimated | 0.33 | -0.65 pts |
| 65 | Benton County Estimated | 0.31 | -0.04 pts |
| 66 | Fremont County Estimated | 0.29 | -0 pts |
| 67 | Adair County Estimated | 0.28 | -0.14 pts |
| 68 | Plymouth County Estimated | 0.28 | -0.88 pts |
| 69 | Hancock County Estimated | 0.28 | -0.18 pts |
| 70 | Davis County Estimated | 0.22 | -0.12 pts |
| 71 | Humboldt County Estimated | 0.21 | -0.63 pts |
| 72 | Chickasaw County Estimated | 0.17 | -0.99 pts |
| 73 | Jasper County Estimated | 0.16 | -0 pts |
| 74 | Carroll County Estimated | 0.15 | -0.1 pts |
| 75 | Van Buren County Estimated | 0.14 | +0.14 pts |
| 76 | Worth County Estimated | 0.13 | 0 pts |
| 77 | Greene County Estimated | 0.11 | +0.22 pts |
| 78 | Cedar County Estimated | 0.11 | +0.11 pts |
| 79 | Mitchell County Estimated | 0.09 | 0 pts |
| 80 | O'Brien County Estimated | 0.07 | 0 pts |
| 81 | Harrison County Estimated | 0.07 | +0.07 pts |
| 82 | Warren County Estimated | 0.06 | -0 pts |
| 83 | Tama County Estimated | 0.06 | -1.1 pts |
| 84 | Jackson County Estimated | 0.05 | -0 pts |
| 85 | Adams County Estimated | 0 | 0 pts |
| 85 | Grundy County Estimated | 0 | 0 pts |
| 85 | Ida County Estimated | 0 | -0.14 pts |
| 85 | Mills County Estimated | 0 | -0.33 pts |
| 85 | Monroe County Estimated | 0 | -0.13 pts |
| 85 | Wayne County Estimated | 0 | -0.16 pts |
| 91 | Boone County Estimated | -0.04 | 0 pts |
| 92 | Lee County Estimated | -0.09 | -0 pts |
| 93 | Sac County Estimated | -0.1 | -0.1 pts |
| 94 | Monona County Estimated | -0.11 | -0.11 pts |
| 95 | Lucas County Estimated | -0.12 | -0.12 pts |
| 96 | Pocahontas County Estimated | -0.15 | -0.29 pts |
| 97 | Shelby County Estimated | -0.17 | -0.09 pts |
| 98 | Howard County Estimated | -0.22 | +0.11 pts |
| 99 | Iowa County Estimated | -0.25 | -0.06 pts |
Other periods
About this ranking
Net international migration from July 1 of the previous year through June 30 of the reported year per 1,000 residents, using the average of the population estimates at the two July 1 endpoints.
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 international migration rate per 1,000 residents, 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 international migration rate per 1,000 residents, 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 international migration rate, 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 international migration rate per 1,000 residents, 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 international migration rate, 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-international-migration-rate-july-june/iowa-counties?period=2017. Accessed 12 Oct. 2026.
Chicago (author-date)
U.S. Census Bureau. 2026. Population Estimates Program: net international migration rate per 1,000 residents, 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 international migration rate, 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-international-migration-rate-july-june/iowa-counties?period=2017.
Harvard
U.S. Census Bureau (2026) Population Estimates Program: net international migration rate per 1,000 residents, 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 international migration rate, 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-international-migration-rate-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 international migration rate per 1,000 residents, 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 international migration rate, 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-international-migration-rate-july-june/iowa-counties?period=2017. Publisher attribution: U.S. Census Bureau. Population Estimates Program: net international migration rate per 1,000 residents, 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 international migration rate per 1,000 residents, 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 international migration rate, 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-international-migration-rate-july-june/iowa-counties?period=2017
Y2 - 2026/10/12
N1 - Accessed via Invokely, https://invokely.ai/rankings/net-international-migration-rate-july-june/iowa-counties?period=2017.
N1 - Publisher attribution: U.S. Census Bureau. Population Estimates Program: net international migration rate per 1,000 residents, 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
Invokely serves this figure to AI assistants through MCP and to code through a REST API, with the source and citation attached. Ask your assistant:
Rank Counties in Iowa by net international migration rate, July to June using official data, and cite the source.
rank_places {"indicator":"net_international_migration_rate_july_june","level":"province","within":"Iowa","limit":10}
GET https://invokely.ai/api/v1/rank?indicator=net_international_migration_rate_july_june&level=province&within=Iowa&limit=10Questions
Which county has the highest net international migration rate, July to June?
Jefferson County, with 11.62 per 1,000 inhabitants in 2017, according to the U.S. Census Bureau.
Which county has the lowest net international migration rate, July to June?
Iowa County, with -0.25 per 1,000 inhabitants 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 international migration rate per 1,000 residents, 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.