Ranking of Iowa Counties By Number of Births in 2011
Updated on June 21, 2025.
Based on the US Census Vintage data estimates, in 2011, the Number of Births for Iowa was 37.84K. Among all Iowa counties, Polk County had the highest number of births (6.48K), followed by Linn County (2.63K), and Scott County (2.18K).
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), 2011 Census.
See this for other years:
Ranking of Iowa Counties By Number of Births in 2011
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| Rank | County | Number of Births |
|---|---|---|
| 1 | Polk County | 6478 |
| 2 | Linn County | 2633 |
| 3 | Scott County | 2183 |
| 4 | Johnson County | 1761 |
| 5 | Black Hawk County | 1663 |
| 6 | Woodbury County | 1502 |
| 7 | Pottawattamie County | 1254 |
| 8 | Dubuque County | 1159 |
| 9 | Dallas County | 1009 |
| 10 | Story County | 991 |
| 11 | Clinton County | 597 |
| 12 | Muscatine County | 554 |
| 13 | Marshall County | 538 |
| 14 | Warren County | 517 |
| 15 | Sioux County | 510 |
| 16 | Cerro Gordo County | 477 |
| 17 | Des Moines County | 476 |
| 18 | Wapello County | 450 |
| 19 | Webster County | 443 |
| 20 | Lee County | 390 |
| 21 | Marion County | 384 |
| 22 | Jasper County | 371 |
| 23 | Boone County | 315 |
| 24 | Mahaska County | 305 |
| 25 | Buena Vista County | 297 |
| 26 | Plymouth County | 296 |
| 27 | Benton County | 289 |
| 28 | Washington County | 280 |
| 29 | Buchanan County | 274 |
| 30 | Carroll County | 262 |
| 31 | Crawford County | 231 |
| 32 | Bremer County | 229 |
| 33 | Henry County | 227 |
| 34 | Fayette County | 217 |
| 35 | Tama County | 212 |
| 36 | Jackson County | 209 |
| 36 | Jones County | 209 |
| 37 | Cedar County | 200 |
| 38 | Clay County | 199 |
| 39 | Floyd County | 194 |
| 40 | Delaware County | 187 |
| 41 | Lyon County | 186 |
| 42 | Hardin County | 185 |
| 43 | Poweshiek County | 182 |
| 44 | Clayton County | 179 |
| 45 | Page County | 173 |
| 46 | Iowa County | 170 |
| 47 | Kossuth County | 160 |
| 48 | Allamakee County | 159 |
| 48 | Madison County | 159 |
| 48 | Winneshiek County | 159 |
| 49 | Hamilton County | 157 |
| 50 | Mills County | 156 |
| 51 | Appanoose County | 153 |
| 52 | Butler County | 152 |
| 53 | Cass County | 147 |
| 54 | Union County | 144 |
| 55 | Harrison County | 142 |
| 56 | Dickinson County | 141 |
| 57 | Wright County | 139 |
| 58 | Chickasaw County | 137 |
| 58 | O'Brien County | 137 |
| 59 | Louisa County | 136 |
| 60 | Grundy County | 134 |
| 61 | Davis County | 131 |
| 62 | Jefferson County | 129 |
| 63 | Keokuk County | 127 |
| 64 | Franklin County | 125 |
| 65 | Mitchell County | 120 |
| 66 | Shelby County | 117 |
| 67 | Clarke County | 115 |
| 67 | Lucas County | 115 |
| 68 | Howard County | 114 |
| 69 | Cherokee County | 112 |
| 70 | Winnebago County | 111 |
| 71 | Humboldt County | 107 |
| 72 | Montgomery County | 106 |
| 73 | Monroe County | 104 |
| 73 | Palo Alto County | 104 |
| 74 | Emmet County | 101 |
| 74 | Guthrie County | 101 |
| 74 | Hancock County | 101 |
| 75 | Greene County | 93 |
| 76 | Calhoun County | 91 |
| 77 | Sac County | 90 |
| 78 | Wayne County | 85 |
| 79 | Fremont County | 83 |
| 79 | Van Buren County | 83 |
| 80 | Decatur County | 80 |
| 81 | Monona County | 76 |
| 82 | Worth County | 73 |
| 83 | Pocahontas County | 72 |
| 84 | Ida County | 71 |
| 85 | Taylor County | 70 |
| 86 | Adair County | 66 |
| 87 | Audubon County | 61 |
| 88 | Osceola County | 57 |
| 89 | Ringgold County | 55 |
| 90 | Adams County | 32 |