Ranking of Iowa Counties By Natural Population Increase Rate per 1K in 2019
Updated on January 26, 2024.
Based on the US Census Vintage data estimates, in 2019, the Natural Population Increase Rate per 1K for Iowa was 2.64. Among all Iowa counties, Davis County had the highest natural population increase rate (8.35), followed by Dallas County (8.22), and Sioux County (8.12).
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), 2019 Census.
See this for other years:
Ranking of Iowa Counties By Natural Population Increase Rate per 1K in 2019
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| Rank | County | Natural Pop. Increase Rate |
|---|---|---|
| 1 | Davis County | 8.35 |
| 2 | Dallas County | 8.22 |
| 3 | Sioux County | 8.12 |
| 4 | Buena Vista County | 7.14 |
| 5 | Johnson County | 6.59 |
| 6 | Polk County | 6.21 |
| 7 | Lyon County | 4.74 |
| 8 | Woodbury County | 4.38 |
| 9 | Buchanan County | 4.16 |
| 10 | Linn County | 4.11 |
| 11 | Crawford County | 3.83 |
| 12 | Story County | 3.33 |
| 13 | Scott County | 3.31 |
| 14 | Dubuque County | 3.25 |
| 15 | Warren County | 3.1 |
| 16 | Muscatine County | 2.95 |
| 17 | Black Hawk County | 2.89 |
| 18 | Louisa County | 2.88 |
| 19 | Adams County | 2.77 |
| 20 | Iowa | 2.64 |
| 21 | Wayne County | 2.5 |
| 22 | Adair County | 2.41 |
| 22 | Decatur County | 2.41 |
| 23 | Mahaska County | 2.29 |
| 24 | Washington County | 2.13 |
| 25 | Madison County | 2.04 |
| 26 | Tama County | 1.84 |
| 27 | Worth County | 1.48 |
| 28 | Humboldt County | 1.47 |
| 29 | Benton County | 1.37 |
| 30 | Monroe County | 1.3 |
| 31 | Lucas County | 1.28 |
| 32 | Delaware County | 1.23 |
| 33 | Floyd County | 1.21 |
| 34 | Pottawattamie County | 1.2 |
| 35 | Plymouth County | 1.12 |
| 36 | Kossuth County | 1.08 |
| 37 | Carroll County | 1 |
| 38 | Taylor County | 0.97 |
| 39 | Allamakee County | 0.95 |
| 40 | Jasper County | 0.94 |
| 41 | Marion County | 0.9 |
| 42 | Bremer County | 0.88 |
| 43 | Clarke County | 0.85 |
| 44 | Winneshiek County | 0.75 |
| 45 | Franklin County | 0.6 |
| 46 | Henry County | 0.55 |
| 47 | Marshall County | 0.5 |
| 48 | Calhoun County | 0.31 |
| 48 | Fayette County | 0.31 |
| 49 | Cedar County | 0.27 |
| 50 | Jones County | 0.24 |
| 51 | Chickasaw County | 0.17 |
| 52 | Clay County | 0.12 |
| 53 | Hamilton County | 0.07 |
| 54 | Clinton County | 0.02 |
| 55 | Jackson County | -0.05 |
| 56 | Wapello County | -0.14 |
| 57 | Osceola County | -0.17 |
| 58 | Webster County | -0.19 |
| 59 | Shelby County | -0.35 |
| 60 | Boone County | -0.42 |
| 61 | Clayton County | -0.57 |
| 62 | Union County | -0.65 |
| 63 | Sac County | -0.72 |
| 64 | Hancock County | -0.75 |
| 65 | Cerro Gordo County | -0.82 |
| 66 | Mitchell County | -0.85 |
| 67 | Wright County | -0.87 |
| 68 | Mills County | -1.12 |
| 69 | O'Brien County | -1.3 |
| 70 | Grundy County | -1.31 |
| 71 | Jefferson County | -1.38 |
| 72 | Emmet County | -1.4 |
| 73 | Des Moines County | -1.48 |
| 74 | Keokuk County | -1.67 |
| 75 | Greene County | -1.68 |
| 76 | Harrison County | -1.71 |
| 77 | Fremont County | -1.73 |
| 78 | Pocahontas County | -1.8 |
| 79 | Van Buren County | -1.99 |
| 80 | Dickinson County | -2.15 |
| 81 | Howard County | -2.29 |
| 82 | Guthrie County | -2.42 |
| 83 | Lee County | -2.46 |
| 84 | Appanoose County | -2.64 |
| 85 | Page County | -2.9 |
| 86 | Winnebago County | -3.06 |
| 87 | Butler County | -3.11 |
| 88 | Palo Alto County | -3.6 |
| 89 | Poweshiek County | -3.63 |
| 90 | Cherokee County | -3.73 |
| 91 | Hardin County | -3.79 |
| 92 | Ringgold County | -4.7 |
| 93 | Cass County | -4.89 |
| 94 | Audubon County | -4.92 |
| 95 | Monona County | -5.21 |
| 96 | Montgomery County | -5.93 |
| 97 | Ida County | -6.45 |