Ranking of Iowa Counties By Number of Births in 2012
Updated on June 21, 2025.
Based on the US Census Vintage data estimates, in 2012, the Number of Births for Iowa was 38.46K. Among all Iowa counties, Polk County had the highest number of births (6.66K), followed by Linn County (2.77K), and Scott County (2.24K).
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), 2012 Census.
See this for other years:
Ranking of Iowa Counties By Number of Births in 2012
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| Rank | County | Number of Births |
|---|---|---|
| 1 | Polk County | 6659 |
| 2 | Linn County | 2771 |
| 3 | Scott County | 2242 |
| 4 | Johnson County | 1793 |
| 5 | Black Hawk County | 1656 |
| 6 | Woodbury County | 1564 |
| 7 | Pottawattamie County | 1208 |
| 8 | Dubuque County | 1163 |
| 9 | Dallas County | 1131 |
| 10 | Story County | 902 |
| 11 | Clinton County | 572 |
| 12 | Marshall County | 552 |
| 13 | Muscatine County | 534 |
| 14 | Warren County | 514 |
| 15 | Sioux County | 500 |
| 16 | Cerro Gordo County | 486 |
| 17 | Des Moines County | 456 |
| 18 | Jasper County | 454 |
| 18 | Webster County | 454 |
| 19 | Lee County | 413 |
| 20 | Wapello County | 411 |
| 21 | Marion County | 334 |
| 22 | Buena Vista County | 322 |
| 23 | Boone County | 306 |
| 24 | Buchanan County | 295 |
| 25 | Carroll County | 292 |
| 26 | Plymouth County | 274 |
| 27 | Washington County | 267 |
| 28 | Bremer County | 262 |
| 29 | Crawford County | 259 |
| 30 | Benton County | 248 |
| 31 | Mahaska County | 246 |
| 32 | Henry County | 229 |
| 33 | Fayette County | 220 |
| 34 | Tama County | 215 |
| 35 | Floyd County | 200 |
| 35 | Jones County | 200 |
| 36 | Delaware County | 199 |
| 37 | Jackson County | 195 |
| 38 | Clayton County | 189 |
| 38 | Iowa County | 189 |
| 39 | Poweshiek County | 182 |
| 40 | Dickinson County | 181 |
| 41 | Winneshiek County | 180 |
| 42 | Cedar County | 179 |
| 43 | Clay County | 178 |
| 43 | Page County | 178 |
| 44 | Butler County | 173 |
| 45 | Hamilton County | 172 |
| 45 | Madison County | 172 |
| 46 | Appanoose County | 171 |
| 47 | Hardin County | 166 |
| 48 | Kossuth County | 164 |
| 49 | Allamakee County | 161 |
| 50 | Wright County | 157 |
| 51 | O'Brien County | 154 |
| 52 | Cass County | 153 |
| 53 | Lyon County | 150 |
| 53 | Mills County | 150 |
| 54 | Chickasaw County | 149 |
| 55 | Jefferson County | 147 |
| 56 | Harrison County | 146 |
| 57 | Louisa County | 139 |
| 58 | Davis County | 137 |
| 59 | Cherokee County | 136 |
| 60 | Grundy County | 135 |
| 60 | Keokuk County | 135 |
| 61 | Clarke County | 126 |
| 62 | Shelby County | 125 |
| 63 | Montgomery County | 121 |
| 64 | Union County | 120 |
| 65 | Howard County | 117 |
| 66 | Calhoun County | 115 |
| 66 | Emmet County | 115 |
| 67 | Winnebago County | 114 |
| 68 | Mitchell County | 113 |
| 69 | Guthrie County | 111 |
| 70 | Humboldt County | 109 |
| 70 | Sac County | 109 |
| 71 | Franklin County | 106 |
| 72 | Hancock County | 103 |
| 73 | Van Buren County | 92 |
| 74 | Decatur County | 90 |
| 75 | Greene County | 88 |
| 75 | Wayne County | 88 |
| 76 | Palo Alto County | 87 |
| 77 | Monona County | 83 |
| 78 | Lucas County | 82 |
| 78 | Worth County | 82 |
| 79 | Adair County | 78 |
| 80 | Ida County | 74 |
| 81 | Monroe County | 72 |
| 82 | Pocahontas County | 70 |
| 83 | Taylor County | 68 |
| 84 | Fremont County | 65 |
| 85 | Osceola County | 63 |
| 86 | Audubon County | 54 |
| 87 | Adams County | 51 |
| 88 | Ringgold County | 47 |