Counties with the most born-and-bred residents in Iowa

Written by:
August 6, 2022
Kevin Schuchmann // Wikimedia Commons

Counties with the most born-and-bred residents in Iowa

The COVID-19 pandemic, rising inflation and a higher cost of living in major cities have combined with opportunities for remote work over the past two years. This combination has fueled a major migration across the country. In the first year of the pandemic, migration out of densely populated, expensive cities like New York and San Francisco was especially notable. Many moved to Sunbelt cities where the weather is warmer and the cost of living significantly lower.

But not everyone who moved in recent years went very far. Analysis of movement out of crowded cities shows that many of those leaving city centers moved into nearby suburbs in the same state, rather than making cross country moves.

Other trends suggest that many people are sticking close to home, remaining in or moving back to the state, or even the town they were born in. Even before the pandemic, the number of younger adults living with their parents was on the rise, mostly due to financial difficulties. This economic hardship was made worse by the pandemic, and resulted in many moving back in with their parents. By the end of 2020, more than half of Americans under the age of 29 were living at home, exceeding the share of young adults living with their parents during the Great Depression.

Apart from the pandemic, many people choose not to leave the state they were raised in, for reasons ranging from wanting to be close to family to not having the resources to leave, to sticking with a lower cost of living.

In order to determine where people stay put, Stacker compiled a list of counties with the most born-and-bred residents in Iowa using data from the U.S. Census Bureau. Counties are ranked by the highest percentage of residents that were born in the state according to 2020 5-year estimates.

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FluffyGryphon // Wikimedia Commons

#50. Dubuque County

- Population: 97,193
- Born in Iowa: 72,106 (74.2% of population)
- Born in a different state: 21,990 (22.6% of population)
--- Midwest (16.1%), Northeast (1.4%), South (3.0%), West (2.1%)
- Born in another country: 2,666 (2.74% of population)
--- Africa (0.09%) , Asia (1.16%), Europe (0.31%), Latin America (0.76%), North America (0.09%), Oceania (0.33%)
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Smallbones // Wikimedia Commons

#49. Poweshiek County

- Population: 18,391
- Born in Iowa: 13,664 (74.3% of population)
- Born in a different state: 4,150 (22.6% of population)
--- Midwest (10.4%), Northeast (3.0%), South (4.6%), West (4.6%)
- Born in another country: 483 (2.63% of population)
--- Africa (0.15%) , Asia (1.38%), Europe (0.42%), Latin America (0.54%), North America (0.09%), Oceania (0.04%)
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Scott Romine // Wikimedia Commons

#48. Plymouth County

- Population: 25,141
- Born in Iowa: 18,806 (74.8% of population)
- Born in a different state: 5,295 (21.1% of population)
--- Midwest (15.1%), Northeast (0.9%), South (1.6%), West (3.5%)
- Born in another country: 896 (3.56% of population)
--- Africa (0.97%) , Asia (0.49%), Europe (0.18%), Latin America (1.93%), North America (0.00%), Oceania (0.00%)
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Jim Roberts // Wikimedia Commons

#47. Floyd County

- Population: 15,713
- Born in Iowa: 11,759 (74.8% of population)
- Born in a different state: 3,272 (20.8% of population)
--- Midwest (11.4%), Northeast (3.0%), South (3.2%), West (3.1%)
- Born in another country: 565 (3.60% of population)
--- Africa (0.98%) , Asia (1.60%), Europe (0.02%), Latin America (0.94%), North America (0.06%), Oceania (0.00%)
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Dan Breyfogle // Wikimedia Commons

#46. Cerro Gordo County

- Population: 42,672
- Born in Iowa: 31,945 (74.9% of population)
- Born in a different state: 9,464 (22.2% of population)
--- Midwest (14.2%), Northeast (0.9%), South (3.2%), West (3.9%)
- Born in another country: 947 (2.22% of population)
--- Africa (0.12%) , Asia (0.94%), Europe (0.15%), Latin America (0.91%), North America (0.00%), Oceania (0.09%)

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Skye Marthaler // Wikimedia Commons

#45. Cherokee County

- Population: 11,281
- Born in Iowa: 8,561 (75.9% of population)
- Born in a different state: 2,398 (21.3% of population)
--- Midwest (11.0%), Northeast (0.9%), South (4.9%), West (4.5%)
- Born in another country: 150 (1.33% of population)
--- Africa (0.04%) , Asia (0.94%), Europe (0.12%), Latin America (0.23%), North America (0.00%), Oceania (0.00%)
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JERRYE AND ROY KLOTZ MD // Wikimedia Commons

#44. Monona County

- Population: 8,675
- Born in Iowa: 6,597 (76.0% of population)
- Born in a different state: 2,020 (23.3% of population)
--- Midwest (15.7%), Northeast (1.0%), South (3.3%), West (3.2%)
- Born in another country: 29 (0.33% of population)
--- Africa (0.01%) , Asia (0.00%), Europe (0.00%), Latin America (0.32%), North America (0.00%), Oceania (0.00%)
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en:User:Cburnett // Wikimedia Commons

#43. Marion County

- Population: 33,193
- Born in Iowa: 25,528 (76.9% of population)
- Born in a different state: 6,889 (20.8% of population)
--- Midwest (12.2%), Northeast (1.8%), South (3.6%), West (3.2%)
- Born in another country: 626 (1.89% of population)
--- Africa (0.14%) , Asia (0.78%), Europe (0.38%), Latin America (0.44%), North America (0.14%), Oceania (0.00%)
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Alejandro Pulido // Wikimedia Commons

#42. Kossuth County

- Population: 14,864
- Born in Iowa: 11,520 (77.5% of population)
- Born in a different state: 3,015 (20.3% of population)
--- Midwest (15.1%), Northeast (0.7%), South (2.0%), West (2.5%)
- Born in another country: 258 (1.74% of population)
--- Africa (0.13%) , Asia (0.49%), Europe (0.06%), Latin America (1.05%), North America (0.00%), Oceania (0.00%)
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Jason McLaren // Wikimedia Commons

#41. Adams County

- Population: 3,633
- Born in Iowa: 2,823 (77.7% of population)
- Born in a different state: 777 (21.4% of population)
--- Midwest (14.2%), Northeast (0.6%), South (3.9%), West (2.7%)
- Born in another country: 33 (0.91% of population)
--- Africa (0.00%) , Asia (0.39%), Europe (0.00%), Latin America (0.52%), North America (0.00%), Oceania (0.00%)

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Farragutful // Wikimedia Commons

#40. Washington County

- Population: 22,100
- Born in Iowa: 17,214 (77.9% of population)
- Born in a different state: 3,907 (17.7% of population)
--- Midwest (9.3%), Northeast (1.1%), South (4.8%), West (2.4%)
- Born in another country: 964 (4.36% of population)
--- Africa (0.05%) , Asia (0.48%), Europe (0.92%), Latin America (2.85%), North America (0.00%), Oceania (0.07%)
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Kevin Schuchmann // Wikimedia Commons

#39. Mahaska County

- Population: 22,351
- Born in Iowa: 17,413 (77.9% of population)
- Born in a different state: 4,439 (19.9% of population)
--- Midwest (11.3%), Northeast (0.7%), South (3.6%), West (4.2%)
- Born in another country: 433 (1.94% of population)
--- Africa (0.00%) , Asia (1.22%), Europe (0.54%), Latin America (0.17%), North America (0.00%), Oceania (0.00%)
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Bill Whittaker // Wikimedia Commons

#38. Webster County

- Population: 36,348
- Born in Iowa: 28,333 (77.9% of population)
- Born in a different state: 6,883 (18.9% of population)
--- Midwest (10.1%), Northeast (1.7%), South (3.1%), West (4.1%)
- Born in another country: 998 (2.75% of population)
--- Africa (0.12%) , Asia (0.81%), Europe (0.13%), Latin America (1.41%), North America (0.22%), Oceania (0.06%)
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Scott Romine // Wikimedia Commons

#37. Palo Alto County

- Population: 8,941
- Born in Iowa: 6,972 (78.0% of population)
- Born in a different state: 1,775 (19.9% of population)
--- Midwest (11.9%), Northeast (1.2%), South (2.8%), West (3.9%)
- Born in another country: 176 (1.97% of population)
--- Africa (0.78%) , Asia (0.12%), Europe (0.02%), Latin America (1.01%), North America (0.03%), Oceania (0.00%)
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Ann Sullivan-Larson // Wikimedia Commons

#36. Hancock County

- Population: 10,709
- Born in Iowa: 8,378 (78.2% of population)
- Born in a different state: 2,124 (19.8% of population)
--- Midwest (12.4%), Northeast (0.7%), South (3.6%), West (3.2%)
- Born in another country: 183 (1.71% of population)
--- Africa (0.05%) , Asia (0.19%), Europe (0.15%), Latin America (1.31%), North America (0.02%), Oceania (0.00%)

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Ann Sullivan-Larson // Wikimedia Commons

#35. Hamilton County

- Population: 14,905
- Born in Iowa: 11,681 (78.4% of population)
- Born in a different state: 2,467 (16.6% of population)
--- Midwest (9.1%), Northeast (1.1%), South (2.3%), West (4.1%)
- Born in another country: 635 (4.26% of population)
--- Africa (0.18%) , Asia (1.31%), Europe (0.56%), Latin America (2.13%), North America (0.07%), Oceania (0.00%)
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Scott Romine // Wikimedia Commons

#34. O'Brien County

- Population: 13,796
- Born in Iowa: 10,817 (78.4% of population)
- Born in a different state: 2,479 (18.0% of population)
--- Midwest (13.1%), Northeast (0.1%), South (1.6%), West (3.2%)
- Born in another country: 395 (2.86% of population)
--- Africa (0.44%) , Asia (0.78%), Europe (0.17%), Latin America (1.46%), North America (0.02%), Oceania (0.00%)
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Pettingills // Wikimedia Commons

#33. Pocahontas County

- Population: 6,725
- Born in Iowa: 5,303 (78.9% of population)
- Born in a different state: 1,127 (16.8% of population)
--- Midwest (10.2%), Northeast (0.6%), South (2.4%), West (3.6%)
- Born in another country: 210 (3.12% of population)
--- Africa (0.00%) , Asia (0.80%), Europe (0.15%), Latin America (1.28%), North America (0.43%), Oceania (0.46%)
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Ann Sullivan-Larson // Wikimedia Commons

#32. Hardin County

- Population: 16,924
- Born in Iowa: 13,365 (79.0% of population)
- Born in a different state: 2,890 (17.1% of population)
--- Midwest (10.0%), Northeast (1.1%), South (2.3%), West (3.7%)
- Born in another country: 446 (2.64% of population)
--- Africa (0.00%) , Asia (0.65%), Europe (0.20%), Latin America (1.36%), North America (0.25%), Oceania (0.17%)
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Lynn Betts // Wikimedia Commons

#31. Warren County

- Population: 50,867
- Born in Iowa: 40,426 (79.5% of population)
- Born in a different state: 9,386 (18.5% of population)
--- Midwest (10.2%), Northeast (1.1%), South (3.4%), West (3.8%)
- Born in another country: 801 (1.57% of population)
--- Africa (0.00%) , Asia (0.47%), Europe (0.62%), Latin America (0.33%), North America (0.06%), Oceania (0.10%)

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en:User:Cburnett // Wikimedia Commons

#30. Lucas County

- Population: 8,556
- Born in Iowa: 6,816 (79.7% of population)
- Born in a different state: 1,471 (17.2% of population)
--- Midwest (10.2%), Northeast (0.4%), South (2.7%), West (3.9%)
- Born in another country: 250 (2.92% of population)
--- Africa (0.00%) , Asia (0.05%), Europe (1.81%), Latin America (1.06%), North America (0.00%), Oceania (0.00%)
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Library of Congress // Wikimedia Commons

#29. Boone County

- Population: 26,381
- Born in Iowa: 21,093 (80.0% of population)
- Born in a different state: 4,740 (18.0% of population)
--- Midwest (10.6%), Northeast (0.9%), South (3.2%), West (3.3%)
- Born in another country: 458 (1.74% of population)
--- Africa (0.31%) , Asia (0.26%), Europe (0.39%), Latin America (0.77%), North America (0.00%), Oceania (0.00%)
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Jon Roanhaus // Wikimedia Commons

#28. Franklin County

- Population: 10,091
- Born in Iowa: 8,069 (80.0% of population)
- Born in a different state: 1,576 (15.6% of population)
--- Midwest (6.9%), Northeast (1.0%), South (5.3%), West (2.3%)
- Born in another country: 403 (3.99% of population)
--- Africa (0.00%) , Asia (0.00%), Europe (0.53%), Latin America (3.47%), North America (0.00%), Oceania (0.00%)
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en:User:Cburnett // Wikimedia Commons

#27. Madison County

- Population: 16,148
- Born in Iowa: 12,924 (80.0% of population)
- Born in a different state: 3,088 (19.1% of population)
--- Midwest (10.4%), Northeast (0.8%), South (4.3%), West (3.6%)
- Born in another country: 134 (0.83% of population)
--- Africa (0.00%) , Asia (0.56%), Europe (0.12%), Latin America (0.15%), North America (0.00%), Oceania (0.00%)
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Kevin Schuchmann // Wikimedia Commons

#26. Jones County

- Population: 20,575
- Born in Iowa: 16,520 (80.3% of population)
- Born in a different state: 3,708 (18.0% of population)
--- Midwest (10.1%), Northeast (1.7%), South (2.2%), West (3.9%)
- Born in another country: 229 (1.11% of population)
--- Africa (0.00%) , Asia (0.66%), Europe (0.11%), Latin America (0.35%), North America (0.00%), Oceania (0.00%)

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Bill Whittaker // Wikimedia Commons

#25. Tama County

- Population: 16,962
- Born in Iowa: 13,646 (80.5% of population)
- Born in a different state: 2,482 (14.6% of population)
--- Midwest (7.2%), Northeast (0.5%), South (3.2%), West (3.8%)
- Born in another country: 810 (4.78% of population)
--- Africa (0.17%) , Asia (0.39%), Europe (0.14%), Latin America (4.08%), North America (0.00%), Oceania (0.00%)
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en:User:Cburnett // Wikimedia Commons

#24. Jasper County

- Population: 37,032
- Born in Iowa: 29,880 (80.7% of population)
- Born in a different state: 6,067 (16.4% of population)
--- Midwest (8.4%), Northeast (0.9%), South (3.3%), West (3.7%)
- Born in another country: 885 (2.39% of population)
--- Africa (0.93%) , Asia (0.53%), Europe (0.17%), Latin America (0.75%), North America (0.01%), Oceania (0.00%)
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Nst101 // Wikimedia Commons

#23. Carroll County

- Population: 20,150
- Born in Iowa: 16,279 (80.8% of population)
- Born in a different state: 3,399 (16.9% of population)
--- Midwest (9.3%), Northeast (0.9%), South (1.4%), West (5.3%)
- Born in another country: 411 (2.04% of population)
--- Africa (0.42%) , Asia (0.67%), Europe (0.26%), Latin America (0.67%), North America (0.02%), Oceania (0.00%)
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Nst101 // Wikimedia Commons

#22. Audubon County

- Population: 5,528
- Born in Iowa: 4,472 (80.9% of population)
- Born in a different state: 1,021 (18.5% of population)
--- Midwest (10.7%), Northeast (0.3%), South (2.9%), West (4.6%)
- Born in another country: 22 (0.40% of population)
--- Africa (0.00%) , Asia (0.04%), Europe (0.22%), Latin America (0.14%), North America (0.00%), Oceania (0.00%)
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en:User:Cburnett // Wikimedia Commons

#21. Monroe County

- Population: 7,761
- Born in Iowa: 6,308 (81.3% of population)
- Born in a different state: 1,321 (17.0% of population)
--- Midwest (10.7%), Northeast (1.0%), South (2.8%), West (2.5%)
- Born in another country: 52 (0.67% of population)
--- Africa (0.06%) , Asia (0.06%), Europe (0.54%), Latin America (0.00%), North America (0.00%), Oceania (0.00%)

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Jason McLaren // Wikimedia Commons

#20. Greene County

- Population: 8,923
- Born in Iowa: 7,259 (81.4% of population)
- Born in a different state: 1,445 (16.2% of population)
--- Midwest (6.5%), Northeast (1.6%), South (5.2%), West (3.0%)
- Born in another country: 174 (1.95% of population)
--- Africa (0.11%) , Asia (0.53%), Europe (0.33%), Latin America (0.81%), North America (0.18%), Oceania (0.00%)
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Jon Roanhaus // Wikimedia Commons

#19. Jackson County

- Population: 19,348
- Born in Iowa: 15,744 (81.4% of population)
- Born in a different state: 3,302 (17.1% of population)
--- Midwest (12.1%), Northeast (1.4%), South (2.2%), West (1.3%)
- Born in another country: 205 (1.06% of population)
--- Africa (0.01%) , Asia (0.34%), Europe (0.22%), Latin America (0.13%), North America (0.04%), Oceania (0.32%)
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Woodard // Wikimedia Commons

#18. Fayette County

- Population: 19,604
- Born in Iowa: 16,010 (81.7% of population)
- Born in a different state: 3,255 (16.6% of population)
--- Midwest (9.3%), Northeast (1.4%), South (2.8%), West (3.1%)
- Born in another country: 248 (1.27% of population)
--- Africa (0.07%) , Asia (0.44%), Europe (0.18%), Latin America (0.56%), North America (0.00%), Oceania (0.01%)
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Scott Romine // Wikimedia Commons

#17. Ida County

- Population: 6,862
- Born in Iowa: 5,612 (81.8% of population)
- Born in a different state: 1,129 (16.5% of population)
--- Midwest (10.4%), Northeast (0.5%), South (2.3%), West (3.3%)
- Born in another country: 97 (1.41% of population)
--- Africa (0.00%) , Asia (0.07%), Europe (0.25%), Latin America (0.83%), North America (0.26%), Oceania (0.00%)
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en:User:Cburnett // Wikimedia Commons

#16. Keokuk County

- Population: 10,163
- Born in Iowa: 8,347 (82.1% of population)
- Born in a different state: 1,699 (16.7% of population)
--- Midwest (10.8%), Northeast (1.4%), South (2.0%), West (2.5%)
- Born in another country: 102 (1.00% of population)
--- Africa (0.05%) , Asia (0.12%), Europe (0.04%), Latin America (0.80%), North America (0.00%), Oceania (0.00%)

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Nst101 // Wikimedia Commons

#15. Guthrie County

- Population: 10,702
- Born in Iowa: 8,796 (82.2% of population)
- Born in a different state: 1,742 (16.3% of population)
--- Midwest (9.3%), Northeast (0.8%), South (3.0%), West (3.2%)
- Born in another country: 157 (1.47% of population)
--- Africa (0.00%) , Asia (0.15%), Europe (0.48%), Latin America (0.84%), North America (0.00%), Oceania (0.00%)
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Jim Roberts // Wikimedia Commons

#14. Bremer County

- Population: 25,032
- Born in Iowa: 20,664 (82.6% of population)
- Born in a different state: 3,852 (15.4% of population)
--- Midwest (10.2%), Northeast (0.7%), South (2.1%), West (2.4%)
- Born in another country: 435 (1.74% of population)
--- Africa (0.36%) , Asia (0.76%), Europe (0.08%), Latin America (0.50%), North America (0.05%), Oceania (0.00%)
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Nst101 // Wikimedia Commons

#13. Calhoun County

- Population: 9,656
- Born in Iowa: 7,978 (82.6% of population)
- Born in a different state: 1,495 (15.5% of population)
--- Midwest (7.9%), Northeast (1.1%), South (3.0%), West (3.5%)
- Born in another country: 157 (1.63% of population)
--- Africa (0.42%) , Asia (0.37%), Europe (0.07%), Latin America (0.71%), North America (0.04%), Oceania (0.00%)
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Ann Sullivan-Larson // Wikimedia Commons

#12. Wright County

- Population: 12,644
- Born in Iowa: 10,461 (82.7% of population)
- Born in a different state: 1,635 (12.9% of population)
--- Midwest (7.8%), Northeast (0.3%), South (2.9%), West (2.0%)
- Born in another country: 487 (3.85% of population)
--- Africa (0.00%) , Asia (0.09%), Europe (0.15%), Latin America (3.61%), North America (0.00%), Oceania (0.00%)
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Brandonrush // Wikimedia Commons

#11. Humboldt County

- Population: 9,518
- Born in Iowa: 7,889 (82.9% of population)
- Born in a different state: 1,366 (14.4% of population)
--- Midwest (8.9%), Northeast (0.2%), South (2.5%), West (2.8%)
- Born in another country: 209 (2.20% of population)
--- Africa (0.04%) , Asia (0.36%), Europe (0.18%), Latin America (1.62%), North America (0.00%), Oceania (0.00%)

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Kevin Schuchmann // Wikimedia Commons

#10. Cedar County

- Population: 18,475
- Born in Iowa: 15,332 (83.0% of population)
- Born in a different state: 2,806 (15.2% of population)
--- Midwest (9.6%), Northeast (1.0%), South (2.2%), West (2.4%)
- Born in another country: 294 (1.59% of population)
--- Africa (0.43%) , Asia (0.41%), Europe (0.05%), Latin America (0.70%), North America (0.00%), Oceania (0.00%)
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User:Magicpiano // Wikimedia Commons

#9. Sac County

- Population: 9,711
- Born in Iowa: 8,067 (83.1% of population)
- Born in a different state: 1,446 (14.9% of population)
--- Midwest (8.3%), Northeast (0.5%), South (2.1%), West (3.9%)
- Born in another country: 182 (1.87% of population)
--- Africa (0.00%) , Asia (0.37%), Europe (0.16%), Latin America (1.26%), North America (0.08%), Oceania (0.00%)
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Bobak Ha'Eri // Wikimedia Commons

#8. Chickasaw County

- Population: 11,970
- Born in Iowa: 9,945 (83.1% of population)
- Born in a different state: 1,775 (14.8% of population)
--- Midwest (8.2%), Northeast (3.1%), South (2.1%), West (1.4%)
- Born in another country: 240 (2.01% of population)
--- Africa (0.00%) , Asia (0.10%), Europe (0.00%), Latin America (1.87%), North America (0.03%), Oceania (0.00%)
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cwwycoff1 // Wikimedia Commons

#7. Iowa County

- Population: 16,155
- Born in Iowa: 13,459 (83.3% of population)
- Born in a different state: 2,479 (15.3% of population)
--- Midwest (8.6%), Northeast (1.5%), South (1.9%), West (3.3%)
- Born in another country: 169 (1.05% of population)
--- Africa (0.05%) , Asia (0.25%), Europe (0.43%), Latin America (0.32%), North America (0.00%), Oceania (0.00%)
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Scott Romine // Wikimedia Commons

#6. Benton County

- Population: 25,558
- Born in Iowa: 21,676 (84.8% of population)
- Born in a different state: 3,642 (14.2% of population)
--- Midwest (7.4%), Northeast (1.8%), South (2.3%), West (2.8%)
- Born in another country: 196 (0.77% of population)
--- Africa (0.04%) , Asia (0.29%), Europe (0.18%), Latin America (0.24%), North America (0.02%), Oceania (0.00%)

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C. A. Tucker // Wikimedia Commons

#5. Adair County

- Population: 7,048
- Born in Iowa: 6,004 (85.2% of population)
- Born in a different state: 883 (12.5% of population)
--- Midwest (7.3%), Northeast (0.4%), South (2.6%), West (2.3%)
- Born in another country: 117 (1.66% of population)
--- Africa (0.00%) , Asia (0.57%), Europe (0.45%), Latin America (0.34%), North America (0.30%), Oceania (0.00%)
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Lolwhynot3498 // Wikimedia Commons

#4. Grundy County

- Population: 12,262
- Born in Iowa: 10,448 (85.2% of population)
- Born in a different state: 1,603 (13.1% of population)
--- Midwest (8.2%), Northeast (0.6%), South (1.5%), West (2.7%)
- Born in another country: 163 (1.33% of population)
--- Africa (0.00%) , Asia (0.29%), Europe (0.22%), Latin America (0.77%), North America (0.05%), Oceania (0.00%)
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Billwhittaker // Wikimedia Commons

#3. Butler County

- Population: 14,508
- Born in Iowa: 12,565 (86.6% of population)
- Born in a different state: 1,702 (11.7% of population)
--- Midwest (6.9%), Northeast (0.8%), South (1.4%), West (2.6%)
- Born in another country: 181 (1.25% of population)
--- Africa (0.10%) , Asia (0.57%), Europe (0.30%), Latin America (0.29%), North America (0.00%), Oceania (0.00%)
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Kevin Schuchmann // Wikimedia Commons

#2. Buchanan County

- Population: 21,141
- Born in Iowa: 18,482 (87.4% of population)
- Born in a different state: 2,474 (11.7% of population)
--- Midwest (7.5%), Northeast (0.7%), South (1.9%), West (1.6%)
- Born in another country: 147 (0.70% of population)
--- Africa (0.06%) , Asia (0.00%), Europe (0.19%), Latin America (0.36%), North America (0.07%), Oceania (0.01%)
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Kevin Schuchmann // Wikimedia Commons

#1. Delaware County

- Population: 17,107
- Born in Iowa: 15,460 (90.4% of population)
- Born in a different state: 1,477 (8.6% of population)
--- Midwest (5.6%), Northeast (0.3%), South (1.7%), West (1.0%)
- Born in another country: 126 (0.74% of population)
--- Africa (0.00%) , Asia (0.47%), Europe (0.12%), Latin America (0.15%), North America (0.00%), Oceania (0.00%)

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