Ranking of Iowa Counties By Birth Rate per 1K in 2018
Updated on June 21, 2025.
Based on the US Census Vintage data estimates, in 2018, the Birth Rate per 1K for Iowa was 12.17. Among all Iowa counties, Davis County had the highest birth rate (17.17), followed by Lyon County (16.67), and Lucas County (14.95).
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.
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Related Topics: Iowa Census Vintage Data Topic List.
Data Source: US Census Bureau (Vintage), 2018 Census.
See this for other years:
Ranking of Iowa Counties By Birth Rate per 1K in 2018
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| Rank | County | Birth Rate |
|---|---|---|
| 1 | Davis County | 17.17 |
| 2 | Lyon County | 16.67 |
| 3 | Lucas County | 14.95 |
| 4 | Buena Vista County | 14.61 |
| 5 | Van Buren County | 14.4 |
| 6 | Sioux County | 14.09 |
| 7 | Polk County | 14 |
| 8 | Woodbury County | 13.92 |
| 9 | Marshall County | 13.86 |
| 10 | Dallas County | 13.79 |
| 11 | Clarke County | 13.66 |
| 12 | Keokuk County | 13.55 |
| 13 | Washington County | 13.44 |
| 14 | Taylor County | 13.17 |
| 15 | Allamakee County | 13.1 |
| 16 | O'Brien County | 12.98 |
| 17 | Buchanan County | 12.96 |
| 18 | Howard County | 12.92 |
| 19 | Crawford County | 12.89 |
| 20 | Clay County | 12.87 |
| 21 | Black Hawk County | 12.86 |
| 22 | Muscatine County | 12.83 |
| 23 | Chickasaw County | 12.76 |
| 24 | Wapello County | 12.67 |
| 25 | Webster County | 12.44 |
| 26 | Mitchell County | 12.43 |
| 27 | Emmet County | 12.4 |
| 28 | Adair County | 12.36 |
| 29 | Linn County | 12.34 |
| 30 | Scott County | 12.3 |
| 31 | Delaware County | 12.26 |
| 32 | Palo Alto County | 12.25 |
| 33 | Des Moines County | 12.21 |
| 34 | Pottawattamie County | 12.2 |
| 35 | Louisa County | 12.18 |
| 36 | Floyd County | 12.04 |
| 37 | Dubuque County | 12.03 |
| 37 | Hamilton County | 12.03 |
| 38 | Decatur County | 11.98 |
| 39 | Wayne County | 11.97 |
| 40 | Plymouth County | 11.94 |
| 41 | Tama County | 11.92 |
| 42 | Carroll County | 11.89 |
| 43 | Bremer County | 11.83 |
| 44 | Fremont County | 11.81 |
| 45 | Audubon County | 11.78 |
| 46 | Mahaska County | 11.74 |
| 47 | Johnson County | 11.66 |
| 48 | Wright County | 11.64 |
| 49 | Franklin County | 11.57 |
| 50 | Henry County | 11.53 |
| 51 | Kossuth County | 11.49 |
| 52 | Hancock County | 11.45 |
| 52 | Montgomery County | 11.45 |
| 53 | Warren County | 11.43 |
| 54 | Harrison County | 11.42 |
| 55 | Greene County | 11.38 |
| 56 | Lee County | 11.35 |
| 57 | Guthrie County | 11.32 |
| 58 | Union County | 11.3 |
| 59 | Appanoose County | 11.28 |
| 60 | Humboldt County | 11.21 |
| 61 | Clinton County | 11.11 |
| 62 | Monroe County | 11.08 |
| 63 | Benton County | 11.06 |
| 64 | Cass County | 11.03 |
| 65 | Hardin County | 10.93 |
| 65 | Pocahontas County | 10.93 |
| 66 | Grundy County | 10.91 |
| 67 | Ringgold County | 10.65 |
| 68 | Calhoun County | 10.63 |
| 69 | Monona County | 10.59 |
| 70 | Fayette County | 10.53 |
| 71 | Boone County | 10.52 |
| 72 | Iowa County | 10.47 |
| 72 | Jasper County | 10.47 |
| 73 | Cerro Gordo County | 10.39 |
| 74 | Winnebago County | 10.31 |
| 75 | Clayton County | 10.3 |
| 75 | Osceola County | 10.3 |
| 76 | Jackson County | 10.17 |
| 77 | Ida County | 10.08 |
| 78 | Cedar County | 9.95 |
| 78 | Worth County | 9.95 |
| 79 | Poweshiek County | 9.94 |
| 80 | Cherokee County | 9.91 |
| 81 | Jones County | 9.75 |
| 82 | Marion County | 9.74 |
| 83 | Winneshiek County | 9.61 |
| 84 | Sac County | 9.55 |
| 85 | Madison County | 9.52 |
| 86 | Mills County | 9.34 |
| 87 | Butler County | 9.28 |
| 88 | Shelby County | 9.24 |
| 89 | Dickinson County | 8.91 |
| 90 | Story County | 8.63 |
| 91 | Page County | 8.53 |
| 92 | Jefferson County | 8.4 |
| 93 | Adams County | 7.69 |