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 2024, at 14.71 per 1,000 inhabitants. Monroe County had the lowest, at -0.27 per 1,000 inhabitants. The median was 1.64 per 1,000 inhabitants and the figure for Iowa was 3.94 per 1,000 inhabitants. Source: the U.S. Census Bureau.
Top 40 counties, 2024
Full ranking
| Rank | Counties | 2024 | Change on 2023 |
|---|---|---|---|
| 1 | Jefferson County Estimated | 14.71 | -1.79 pts |
| 2 | Wright County Estimated | 13.4 | +1.98 pts |
| 3 | Hamilton County Estimated | 10.5 | +2.71 pts |
| 4 | Allamakee County Estimated | 10.22 | +3.29 pts |
| 5 | Buena Vista County Estimated | 8.52 | -2.91 pts |
| 6 | Franklin County Estimated | 8.26 | +2.81 pts |
| 7 | Marshall County Estimated | 7.63 | -0.45 pts |
| 8 | Wapello County Estimated | 7.63 | -1.6 pts |
| 9 | Crawford County Estimated | 7.28 | -2.33 pts |
| 10 | Lucas County Estimated | 6.93 | +6.25 pts |
| 11 | Story County Estimated | 6.75 | -0.47 pts |
| 12 | Polk County Estimated | 6.65 | -0.39 pts |
| 13 | Sioux County Estimated | 6.58 | +0.83 pts |
| 14 | Johnson County Estimated | 6.28 | -0.86 pts |
| 15 | Woodbury County Estimated | 6.15 | -0.56 pts |
| 16 | Dallas County Estimated | 5.82 | +0.06 pts |
| 17 | Chickasaw County Estimated | 5.46 | -0.16 pts |
| 18 | Black Hawk County Estimated | 4.95 | -0.53 pts |
| 19 | Webster County Estimated | 4.27 | -1.64 pts |
| 20 | Ida County Estimated | 4.27 | +3.69 pts |
| 21 | Linn County Estimated | 4.26 | -0.54 pts |
| 22 | O'Brien County Estimated | 4.11 | -1.29 pts |
| 23 | Osceola County Estimated | 3.99 | +1.01 pts |
| 24 | Clay County Estimated | 3.87 | +3.09 pts |
| 25 | Muscatine County Estimated | 3.79 | +0.91 pts |
| 26 | Howard County Estimated | 3.5 | +2.76 pts |
| 27 | Poweshiek County Estimated | 3.36 | +0.98 pts |
| 28 | Winneshiek County Estimated | 3.25 | +1.63 pts |
| 29 | Shelby County Estimated | 2.97 | -0.69 pts |
| 30 | Louisa County Estimated | 2.94 | -0.37 pts |
| 31 | Clarke County Estimated | 2.91 | +1.77 pts |
| 32 | Scott County Estimated | 2.77 | +0.8 pts |
| 33 | Pocahontas County Estimated | 2.73 | -2.39 pts |
| 34 | Lee County Estimated | 2.52 | +2.52 pts |
| 35 | Kossuth County Estimated | 2.49 | -0.41 pts |
| 36 | Hardin County Estimated | 2.43 | -0.77 pts |
| 37 | Mitchell County Estimated | 2.37 | -0.76 pts |
| 38 | Jasper County Estimated | 2.34 | -0.66 pts |
| 39 | Cherokee County Estimated | 2.34 | -0.87 pts |
| 40 | Taylor County Estimated | 2.21 | -0.34 pts |
| 41 | Union County Estimated | 2.02 | +0.25 pts |
| 42 | Plymouth County Estimated | 1.98 | -1.05 pts |
| 43 | Dubuque County Estimated | 1.98 | +0.07 pts |
| 44 | Grundy County Estimated | 1.86 | +0.48 pts |
| 45 | Tama County Estimated | 1.84 | -0.76 pts |
| 46 | Des Moines County Estimated | 1.83 | -0.57 pts |
| 47 | Humboldt County Estimated | 1.79 | -2.1 pts |
| 48 | Lyon County Estimated | 1.78 | -1.81 pts |
| 49 | Adair County Estimated | 1.75 | 0 pts |
| 50 | Davis County Estimated | 1.64 | -1.31 pts |
| 51 | Pottawattamie County Estimated | 1.47 | -0.81 pts |
| 52 | Mahaska County Estimated | 1.41 | -0.77 pts |
| 53 | Butler County Estimated | 1.34 | +0.08 pts |
| 54 | Palo Alto County Estimated | 1.24 | +0.22 pts |
| 55 | Appanoose County Estimated | 1.16 | +0.17 pts |
| 56 | Henry County Estimated | 1.13 | +0.08 pts |
| 57 | Buchanan County Estimated | 1.06 | -0.87 pts |
| 58 | Fayette County Estimated | 1.04 | +0.01 pts |
| 59 | Greene County Estimated | 1.04 | -0.34 pts |
| 60 | Cerro Gordo County Estimated | 1.04 | -0.66 pts |
| 61 | Washington County Estimated | 1.02 | -0.8 pts |
| 62 | Jones County Estimated | 1 | +0.81 pts |
| 63 | Cass County Estimated | 1 | +0.31 pts |
| 64 | Winnebago County Estimated | 0.96 | +0.58 pts |
| 65 | Marion County Estimated | 0.83 | -0.27 pts |
| 66 | Clinton County Estimated | 0.83 | +0.48 pts |
| 67 | Montgomery County Estimated | 0.79 | +0.01 pts |
| 68 | Decatur County Estimated | 0.78 | -1.28 pts |
| 69 | Guthrie County Estimated | 0.75 | -2.8 pts |
| 70 | Sac County Estimated | 0.73 | -0.41 pts |
| 71 | Keokuk County Estimated | 0.71 | +0.2 pts |
| 72 | Worth County Estimated | 0.68 | -0.14 pts |
| 73 | Page County Estimated | 0.67 | +0.2 pts |
| 74 | Hancock County Estimated | 0.66 | +0.19 pts |
| 75 | Madison County Estimated | 0.64 | +0.53 pts |
| 76 | Warren County Estimated | 0.63 | -0.12 pts |
| 77 | Calhoun County Estimated | 0.62 | 0 pts |
| 78 | Cedar County Estimated | 0.55 | -0.33 pts |
| 79 | Bremer County Estimated | 0.47 | -0.63 pts |
| 80 | Clayton County Estimated | 0.47 | -0.47 pts |
| 81 | Jackson County Estimated | 0.47 | -0.41 pts |
| 82 | Dickinson County Estimated | 0.44 | -0.33 pts |
| 83 | Emmet County Estimated | 0.43 | +0.33 pts |
| 84 | Audubon County Estimated | 0.36 | -1.44 pts |
| 85 | Wayne County Estimated | 0.3 | -0.16 pts |
| 86 | Carroll County Estimated | 0.29 | -0.39 pts |
| 87 | Adams County Estimated | 0.28 | 0 pts |
| 88 | Monona County Estimated | 0.23 | +0.12 pts |
| 89 | Boone County Estimated | 0.23 | +0.26 pts |
| 90 | Harrison County Estimated | 0.21 | -0.14 pts |
| 91 | Van Buren County Estimated | 0.14 | +0.14 pts |
| 92 | Benton County Estimated | 0.12 | -0.23 pts |
| 93 | Delaware County Estimated | 0.06 | -0.28 pts |
| 94 | Floyd County Estimated | 0 | -0.72 pts |
| 94 | Fremont County Estimated | 0 | -0.15 pts |
| 94 | Iowa County Estimated | 0 | +0.06 pts |
| 94 | Mills County Estimated | 0 | -0.07 pts |
| 94 | Ringgold County Estimated | 0 | -0.43 pts |
| 99 | Monroe County Estimated | -0.27 | -0 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, 2024) [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, 2024. 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=2024. 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, 2024. 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=2024.
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, 2024 [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=2024 (Accessed: 12 October 2026).
BibTeX
@misc{census_counties_in_iowa_by_2024,
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, 2024}},
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=2024. 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, 2024
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=2024
Y2 - 2026/10/12
N1 - Accessed via Invokely, https://invokely.ai/rankings/net-international-migration-rate-july-june/iowa-counties?period=2024.
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 14.71 per 1,000 inhabitants in 2024, according to the U.S. Census Bureau.
Which county has the lowest net international migration rate, July to June?
Monroe County, with -0.27 per 1,000 inhabitants in 2024.
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.