Iowa Birth Rate By County in 2020
Updated on June 18, 2025.
According to the US Census Bureau Vintage data estimates, in 2020, the birth rate for Iowa was 11.73. Davis had the highest birth rate (17.5), followed by Lyon (14.77), and Buena Vista (14.6). On the other hand, Jefferson had the lowest birth rate (7.72), followed by Story (8.44), and Page (8.68).
You can also see similar information for other states, and by state for the United States.
Hover over or click on the chart to see this information for each county. The data can also be filtered, sorted, and explored further in a table below.
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Related Topics: Iowa Census Vintage Data Topic List.
Data Source: US Census Bureau (Vintage).
See this for other years:
Iowa Birth Rate By County in 2020
Iowa Birth Rate By County in 2020
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| County | Birth Rate |
|---|---|
| Adair | 13.84 |
| Adams | 10.01 |
| Allamakee | 12.74 |
| Appanoose | 11.46 |
| Audubon | 10.57 |
| Benton | 11.15 |
| Black Hawk | 12.17 |
| Boone | 9.96 |
| Bremer | 10.46 |
| Buchanan | 12.91 |
| Buena Vista | 14.6 |
| Butler | 10.58 |
| Calhoun | 10.79 |
| Carroll | 11.24 |
| Cass | 10.61 |
| Cedar | 9.29 |
| Cerro Gordo | 10.93 |
| Cherokee | 10.17 |
| Chickasaw | 11.69 |
| Clarke | 12.92 |
| Clay | 11.6 |
| Clayton | 10.11 |
| Clinton | 11.1 |
| Crawford | 12.86 |
| Dallas | 13.74 |
| Davis | 17.5 |
| Decatur | 11.52 |
| Delaware | 11.12 |
| Des Moines | 11.45 |
| Dickinson | 8.73 |
| Dubuque | 12.27 |
| Emmet | 11.57 |
| Fayette | 10.4 |
| Floyd | 10.98 |
| Franklin | 10.77 |
| Fremont | 9.38 |
| Greene | 10.18 |
| Grundy | 10.39 |
| Guthrie | 9.03 |
| Hamilton | 11.93 |
| Hancock | 10.39 |
| Hardin | 9.59 |
| Harrison | 11.23 |
| Henry | 10.22 |
| Howard | 12.99 |
| Humboldt | 11.07 |
| Ida | 9.96 |
| Iowa | 10.22 |
| Jackson | 10.94 |
| Jasper | 10.76 |
| Jefferson | 7.72 |
| Johnson | 11.23 |
| Jones | 9.6 |
| Keokuk | 10.36 |
| Kossuth | 11.75 |
| Lee | 9.77 |
| Linn | 11.75 |
| Louisa | 11.15 |
| Lucas | 11.71 |
| Lyon | 14.77 |
| Madison | 10.55 |
| Mahaska | 11.74 |
| Marion | 10.11 |
| Marshall | 12.41 |
| Mills | 9.03 |
| Mitchell | 12.35 |
| Monona | 10.68 |
| Monroe | 11 |
| Montgomery | 10.78 |
| Muscatine | 12.05 |
| O'Brien | 11.65 |
| Osceola | 10.55 |
| Page | 8.68 |
| Palo Alto | 11.06 |
| Plymouth | 10.99 |
| Pocahontas | 10.73 |
| Polk | 13.24 |
| Pottawattamie | 11.33 |
| Poweshiek | 8.74 |
| Ringgold | 9.72 |
| Sac | 11.2 |
| Scott | 11.81 |
| Shelby | 11 |
| Sioux | 14.29 |
| Story | 8.44 |
| Tama | 11.87 |
| Taylor | 10.59 |
| Union | 9.93 |
| Van Buren | 13.6 |
| Wapello | 12.4 |
| Warren | 11.14 |
| Washington | 12.95 |
| Wayne | 14.03 |
| Webster | 11.93 |
| Winnebago | 9.4 |
| Winneshiek | 9.38 |
| Woodbury | 13.78 |
| Worth | 10.84 |
| Wright | 12.66 |
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