Ranking of Iowa Counties By Natural Population Increase Rate per 1K in 2020
Updated on January 26, 2024.
Based on the US Census Vintage data estimates, in 2020, the Natural Population Increase Rate per 1K for Iowa was 1.97. Among all Iowa counties, Davis County had the highest natural population increase rate (8.2), followed by Dallas County (8.09), and Buena Vista County (7.15).
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), 2020 Census.
See this for other years:
Ranking of Iowa Counties By Natural Population Increase Rate per 1K in 2020
Rank | County | Natural Pop. Increase Rate |
|---|---|---|
| 1 | Davis County | 8.2 |
| 2 | Dallas County | 8.09 |
| 3 | Buena Vista County | 7.15 |
| 4 | Sioux County | 6.77 |
| 5 | Johnson County | 5.77 |
| 6 | Lyon County | 5.6 |
| 7 | Polk County | 5.19 |
| 8 | Woodbury County | 4.39 |
| 9 | Crawford County | 3.56 |
| 10 | Buchanan County | 3.35 |
| 11 | Linn County | 3.31 |
| 12 | Muscatine County | 2.83 |
| 13 | Scott County | 2.74 |
| 14 | Story County | 2.68 |
| 14 | Washington County | 2.68 |
| 15 | Black Hawk County | 2.38 |
| 16 | Dubuque County | 2.32 |
| 17 | Warren County | 2.22 |
| 18 | Iowa | 1.97 |
| 19 | Worth County | 1.9 |
| 20 | Plymouth County | 1.63 |
| 21 | Decatur County | 1.54 |
| 22 | Clarke County | 1.07 |
| 23 | Madison County | 1.04 |
| 23 | Monroe County | 1.04 |
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