Ranking of Iowa Counties By Net International Migration Rate per 1K in 2021

Updated on July 26, 2024.

Based on the US Census Vintage data estimates, in 2021, the Net International Migration Rate per 1K for Iowa was 1.16. Among all Iowa counties, Jefferson County had the highest net international migration rate (7.12), followed by Johnson County (3.58), and Marshall County (3.03).

The chart below shows the top 10 counties, and the table below shows the ranking of all Iowa counties.

You can see similar ranking information for related topics, and for other states. You can also see the ranking of all counties in the United States.

See this for other years:
Ranking of Iowa Counties By Net International Migration Rate per 1K in 2021
Jefferson
7.12
Johnson
3.58
Marshall
3.03
Buena Vista
2.89
Story
2.8
Louisa
2.41
Clarke
2.36
Woodbury
1.69
Polk
1.64
Black Hawk
1.59
Ranking of Iowa Counties By Net International Migration Rate per 1K in 2021
Rank
County
Net Intl. Migration Rate
1 Jefferson County 7.12
2 Johnson County 3.58
3 Marshall County 3.03
4 Buena Vista County 2.89
5 Story County 2.8
6 Louisa County 2.41
7 Clarke County 2.36
8 Woodbury County 1.69
9 Polk County 1.64
10 Black Hawk County 1.59
10 Crawford County 1.59
11 Wapello County 1.56
12 Linn County 1.54
13 Wright County 1.48
14 Dallas County 1.3
15 Plymouth County 1.28
16 Taylor County 1.19
17 Union County 1.08
18 Des Moines County 1.01
18 Hardin County 1.01
19 Washington County 0.98
20 Sioux County 0.89
21 Tama County 0.88
22 Bremer County 0.84
23 Pottawattamie County 0.82
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