Ranking of Iowa Counties By Natural Population Increase in 2011

Updated on January 26, 2024.

Based on the US Census Vintage data estimates, in 2011, the Natural Population Increase for Iowa was 9.65K. Among all Iowa counties, Iowa had the highest natural population increase (9.65K), followed by Polk County (3.37K), and Johnson County (1.19K).

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 Natural Population Increase in 2011
Iowa
9.65K
Polk
3.37K
Johnson
1.19K
Linn
1.01K
Scott
752
Dallas
656
Woodbury
595
Black Hawk
525
Story
498
Pottawattamie
415
Ranking of Iowa Counties By Natural Population Increase in 2011
Rank
County
Natural Pop. Increase
1 Iowa 9,646
2 Polk County 3,374
3 Johnson County 1,185
4 Linn County 1,012
5 Scott County 752
6 Dallas County 656
7 Woodbury County 595
8 Black Hawk County 525
9 Story County 498
10 Pottawattamie County 415
11 Dubuque County 291
12 Sioux County 274
13 Muscatine County 173
14 Warren County 131
15 Mahaska County 83
16 Lyon County 80
16 Marshall County 80
17 Marion County 72
18 Buena Vista County 69
19 Benton County 66
20 Plymouth County 60
21 Clinton County 58
22 Buchanan County 57
23 Crawford County 48
24 Wapello County 47
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