Ranking of Iowa Counties By Natural Population Increase Rate per 1K in 2012
Updated on January 26, 2024.
Based on the US Census Vintage data estimates, in 2012, the Natural Population Increase Rate per 1K for Iowa was 3.39. Among all Iowa counties, Dallas County had the highest natural population increase rate (10.67), followed by Johnson County (8.56), and Polk County (8.07).
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.
Related Topics: Iowa Census Vintage Data Topic List.
Data Source: US Census Bureau (Vintage), 2012 Census.
See this for other years:
Ranking of Iowa Counties By Natural Population Increase Rate per 1K in 2012
Rank | County | Natural Pop. Increase Rate |
|---|---|---|
| 1 | Dallas County | 10.67 |
| 2 | Johnson County | 8.56 |
| 3 | Polk County | 8.07 |
| 4 | Buena Vista County | 7.54 |
| 5 | Sioux County | 7.17 |
| 6 | Crawford County | 6.96 |
| 7 | Woodbury County | 6.03 |
| 8 | Davis County | 5.95 |
| 9 | Linn County | 5.23 |
| 10 | Story County | 5.08 |
| 11 | Scott County | 4.86 |
| 12 | Buchanan County | 4.63 |
| 13 | Black Hawk County | 3.72 |
| 14 | Keokuk County | 3.65 |
| 14 | Pottawattamie County | 3.65 |
| 15 | Louisa County | 3.52 |
| 16 | Iowa | 3.39 |
| 17 | Warren County | 3.19 |
| 18 | Dubuque County | 3.14 |
| 19 | Muscatine County | 2.96 |
| 20 | Madison County | 2.87 |
| 21 | Bremer County | 2.7 |
| 22 | Lyon County | 2.56 |
| 23 | Marshall County | 2.27 |
| 24 | Jasper County | 2.13 |
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