Data / Rankings / Net international migration, July to June / Counties in Iowa

Counties in Iowa by net international migration, July to June

Polk County had the highest net international migration, July to June of 99 counties in 2014, at 1,370. Boone County had the lowest, at -4. The median was 9 and the figure for Iowa was 7,093. Source: the U.S. Census Bureau.

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Highest1,370Polk County
Lowest-4Boone County
Median999 counties
Iowa7,093History

Map of counties, 2014

Adair County: 0 personsAdams County: 0 personsAllamakee County: 22 personsAppanoose County: 7 personsAudubon County: 1 personsBenton County: 5 personsBlack Hawk County: 437 personsBoone County: -4 personsBremer County: 38 personsBuchanan County: 7 personsBuena Vista County: 86 personsButler County: 14 personsCalhoun County: 5 personsCarroll County: 5 personsCass County: 0 personsCedar County: 14 personsCerro Gordo County: 33 personsCherokee County: 10 personsChickasaw County: 9 personsClarke County: 3 personsClay County: 5 personsClayton County: 9 personsClinton County: 40 personsCrawford County: 32 personsDallas County: 319 personsDavis County: 0 personsDecatur County: 9 personsDelaware County: 15 personsDes Moines County: 32 personsDickinson County: 11 personsDubuque County: 105 personsEmmet County: 4 personsFayette County: 31 personsFloyd County: -1 personsFranklin County: 11 personsFremont County: 2 personsGreene County: 0 personsGrundy County: 0 personsGuthrie County: 7 personsHamilton County: 20 personsHancock County: 6 personsHardin County: 14 personsHarrison County: 0 personsHenry County: 26 personsHoward County: -1 personsHumboldt County: 6 personsIda County: 2 personsIowa County: 0 personsJackson County: 3 personsJasper County: -1 personsJefferson County: 307 personsJohnson County: 1,119 personsJones County: 39 personsKeokuk County: 5 personsKossuth County: 8 personsLee County: 4 personsLinn County: 408 personsLouisa County: 56 personsLucas County: 0 personsLyon County: 1 personsMadison County: 17 personsMahaska County: 38 personsMarion County: 18 personsMarshall County: 103 personsMills County: -2 personsMitchell County: 4 personsMonona County: 3 personsMonroe County: 5 personsMontgomery County: 6 personsMuscatine County: 95 personsO'Brien County: 9 personsOsceola County: 8 personsPage County: 16 personsPalo Alto County: 20 personsPlymouth County: 40 personsPocahontas County: 2 personsPolk County: 1,370 personsPottawattamie County: 80 personsPoweshiek County: 47 personsRinggold County: 2 personsSac County: 0 personsScott County: 330 personsShelby County: 13 personsSioux County: 82 personsStory County: 966 personsTama County: 4 personsTaylor County: 16 personsUnion County: 15 personsVan Buren County: 0 personsWapello County: 121 personsWarren County: 11 personsWashington County: 20 personsWayne County: 0 personsWebster County: 56 personsWinnebago County: 2 personsWinneshiek County: 6 personsWoodbury County: 207 personsWorth County: 2 personsWright County: 16 persons
  • Under 0
  • 0 to 10
  • 10 to 20
  • 20 and over
persons, 2014. Red areas are below zero and blue areas above it. Source: U.S. Census Bureau, Population Estimates Program: net international migration, 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. Boundaries: U.S. Census Bureau cartographic boundary files.

Top 40 counties, 2014

Polk County: 1,370 personsPolk County1,370Johnson County: 1,119 personsJohnson County1,119Story County: 966 personsStory County966Black Hawk County: 437 personsBlack Hawk County437Linn County: 408 personsLinn County408Scott County: 330 personsScott County330Dallas County: 319 personsDallas County319Jefferson County: 307 personsJefferson County307Woodbury County: 207 personsWoodbury County207Wapello County: 121 personsWapello County121Dubuque County: 105 personsDubuque County105Marshall County: 103 personsMarshall County103Muscatine County: 95 personsMuscatine County95Buena Vista County: 86 personsBuena Vista County86Sioux County: 82 personsSioux County82Pottawattamie County: 80 personsPottawattamie County80Louisa County: 56 personsLouisa County56Webster County: 56 personsWebster County56Poweshiek County: 47 personsPoweshiek County47Clinton County: 40 personsClinton County40Plymouth County: 40 personsPlymouth County40Jones County: 39 personsJones County39Bremer County: 38 personsBremer County38Mahaska County: 38 personsMahaska County38Cerro Gordo County: 33 personsCerro Gordo County33Crawford County: 32 personsCrawford County32Des Moines County: 32 personsDes Moines County32Fayette County: 31 personsFayette County31Henry County: 26 personsHenry County26Allamakee County: 22 personsAllamakee County22Hamilton County: 20 personsHamilton County20Palo Alto County: 20 personsPalo Alto County20Washington County: 20 personsWashington County20Marion County: 18 personsMarion County18Madison County: 17 personsMadison County17Page County: 16 personsPage County16Taylor County: 16 personsTaylor County16Wright County: 16 personsWright County16Delaware County: 15 personsDelaware County15Union County: 15 personsUnion County15Polk County: 1,370 personsPolk County1,370Johnson County: 1,119 personsJohnson County1,119Story County: 966 personsStory County966Black Hawk County: 437 personsBlack Hawk County437Linn County: 408 personsLinn County408Scott County: 330 personsScott County330Dallas County: 319 personsDallas County319Jefferson County: 307 personsJefferson County307Woodbury County: 207 personsWoodbury County207Wapello County: 121 personsWapello County121Dubuque County: 105 personsDubuque County105Marshall County: 103 personsMarshall County103Muscatine County: 95 personsMuscatine County95Buena Vista County: 86 personsBuena Vista County86Sioux County: 82 personsSioux County82Pottawattamie County: 80 personsPottawattamie County80Louisa County: 56 personsLouisa County56Webster County: 56 personsWebster County56Poweshiek County: 47 personsPoweshiek County47Clinton County: 40 personsClinton County40Plymouth County: 40 personsPlymouth County40Jones County: 39 personsJones County39Bremer County: 38 personsBremer County38Mahaska County: 38 personsMahaska County38Cerro Gordo County: 33 personsCerro Gordo County33Crawford County: 32 personsCrawford County32Des Moines County: 32 personsDes Moines County32Fayette County: 31 personsFayette County31Henry County: 26 personsHenry County26Allamakee County: 22 personsAllamakee County22Hamilton County: 20 personsHamilton County20Palo Alto County: 20 personsPalo Alto County20Washington County: 20 personsWashington County20Marion County: 18 personsMarion County18Madison County: 17 personsMadison County17Page County: 16 personsPage County16Taylor County: 16 personsTaylor County16Wright County: 16 personsWright County16Delaware County: 15 personsDelaware County15Union County: 15 personsUnion County15
persons. Source: U.S. Census Bureau, Population Estimates Program: net international migration, 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.

Full ranking

RankCounties2014
persons		Change on 2013
1Polk County Estimated1,370-7.8%
2Johnson County Estimated1,119+4.5%
3Story County Estimated966+5.6%
4Black Hawk County Estimated437+22.4%
5Linn County Estimated408-4.9%
6Scott County Estimated330+5.4%
7Dallas County Estimated319+7.8%
8Jefferson County Estimated307-15.7%
9Woodbury County Estimated207-5.9%
10Wapello County Estimated121+2.5%
11Dubuque County Estimated105-17.3%
12Marshall County Estimated103-42.8%
13Muscatine County Estimated95-19.5%
14Buena Vista County Estimated86-28.9%
15Sioux County Estimated82-5.7%
16Pottawattamie County Estimated80-15.8%
17Louisa County Estimated56+16.7%
17Webster County Estimated56+7.7%
19Poweshiek County Estimated47+23.7%
20Clinton County Estimated40-25.9%
20Plymouth County Estimated40+48.1%
22Jones County Estimated39+129.4%
23Bremer County Estimated38-7.3%
23Mahaska County Estimated38-5%
25Cerro Gordo County Estimated33-28.3%
26Crawford County Estimated32-5.9%
26Des Moines County Estimated32-11.1%
28Fayette County Estimated31+24%
29Henry County Estimated26+333.3%
30Allamakee County Estimated22+15.8%
31Hamilton County Estimated20-4.8%
31Palo Alto County Estimated20+42.9%
31Washington County Estimated20+150%
34Marion County Estimated18+50%
35Madison County Estimated170%
36Page County Estimated16-5.9%
36Taylor County Estimated160%
36Wright County Estimated16+77.8%
39Delaware County Estimated150%
39Union County Estimated15+15.4%
41Butler County Estimated14+27.3%
41Cedar County Estimated140%
41Hardin County Estimated14-53.3%
44Shelby County Estimated13+18.2%
45Dickinson County Estimated11+37.5%
45Franklin County Estimated11+175%
45Warren County Estimated11-60.7%
48Cherokee County Estimated10+400%
49Chickasaw County Estimated9+800%
49Clayton County Estimated9+28.6%
49Decatur County Estimated9+12.5%
49O'Brien County Estimated9+80%
53Kossuth County Estimated80%
53Osceola County Estimated8-20%
55Appanoose County Estimated7+133.3%
55Buchanan County Estimated7-36.4%
55Guthrie County Estimated7+75%
58Hancock County Estimated6+50%
58Humboldt County Estimated6-33.3%
58Montgomery County Estimated6-33.3%
58Winneshiek County Estimated6+100%
62Benton County Estimated5+25%
62Calhoun County Estimated5n/a
62Carroll County Estimated5-28.6%
62Clay County Estimated5-28.6%
62Keokuk County Estimated5+25%
62Monroe County Estimated5-37.5%
68Emmet County Estimated4-63.6%
68Lee County Estimated4-55.6%
68Mitchell County Estimated4+300%
68Tama County Estimated4+300%
72Clarke County Estimated3-72.7%
72Jackson County Estimated3n/a
72Monona County Estimated3-25%
75Fremont County Estimated20%
75Ida County Estimated20%
75Pocahontas County Estimated2n/a
75Ringgold County Estimated2n/a
75Winnebago County Estimated2-33.3%
75Worth County Estimated2+100%
81Audubon County Estimated1-50%
81Lyon County Estimated10%
83Adair County Estimated0n/a
83Adams County Estimated0n/a
83Cass County Estimated0-100%
83Davis County Estimated0n/a
83Greene County Estimated0-100%
83Grundy County Estimated0-100%
83Harrison County Estimated0n/a
83Iowa County Estimated0+100%
83Lucas County Estimated0n/a
83Sac County Estimated0n/a
83Van Buren County Estimated0n/a
83Wayne County Estimated0n/a
95Floyd County Estimated-1+80%
95Howard County Estimated-1-133.3%
95Jasper County Estimated-1-110%
98Mills County Estimated-2n/a
99Boone County Estimated-4n/a

Other periods

About this ranking

Estimated moves into the area from abroad minus moves out of the area to other countries, from July 1 of the previous year through June 30 of the reported year.

More on how it is measured
  • United States: Census Bureau estimates, including people born in the United States and abroad, moves between the states and Puerto Rico, and net movement of the Armed Forces overseas.
  • Canada: Statistics Canada immigrants, minus net emigration, plus the net change in non-permanent residents.
  • Australia: ABS net overseas migration for the financial year.
  • United Kingdom local authorities: Office for National Statistics mid-year estimates, counting people who move for at least 12 months.

A component of each country's official population estimates. Methods differ between the statistical offices, so compare places within a country first. Differs from the World Bank net_migration series, which uses calendar years and a different method.

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, 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

The publisher is the author. Invokely is named only as the place the figures were read, where a style asks for it.

APA 7

U.S. Census Bureau. (2026). Population Estimates Program: net international migration, 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, July to June, 2014) [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, 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, July to June, 2014. 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-july-june/iowa-counties?period=2014. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. Population Estimates Program: net international migration, 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, July to June, 2014. 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-july-june/iowa-counties?period=2014.

Harvard

U.S. Census Bureau (2026) Population Estimates Program: net international migration, 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, July to June, 2014 [Dataset]. Available at: https://www.census.gov/programs-surveys/popest/data/data-sets.html, via Invokely: https://invokely.ai/rankings/net-international-migration-july-june/iowa-counties?period=2014 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_iowa_by_2014,
  author = {{U.S. Census Bureau}},
  title = {{Population Estimates Program: net international migration, 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, July to June, 2014}},
  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-july-june/iowa-counties?period=2014. Publisher attribution: U.S. Census Bureau. Population Estimates Program: net international migration, 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, 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, July to June, 2014
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-july-june/iowa-counties?period=2014
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/net-international-migration-july-june/iowa-counties?period=2014.
N1  - Publisher attribution: U.S. Census Bureau. Population Estimates Program: net international migration, 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  -
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Rank Counties in Iowa by net international migration, July to June using official data, and cite the source.
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Questions

Which county has the highest net international migration, July to June?

Polk County, with 1,370 in 2014, according to the U.S. Census Bureau.

Which county has the lowest net international migration, July to June?

Boone County, with -4 in 2014.

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, 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.

Net international migration, July to June: other rankings

Counties in Iowa: more rankings