Counties in Iowa by births (July to June)
Polk County had the highest births (July to June) of 99 counties in 2024, at 6,347. Adams County had the lowest, at 35. The median was 164 and the figure for Iowa was 36,280. Source: the U.S. Census Bureau.
Top 40 counties, 2024
Full ranking
| Rank | Counties | 2024 | Change on 2023 |
|---|---|---|---|
| 1 | Polk County Estimated | 6,347 | +0.9% |
| 2 | Linn County Estimated | 2,553 | +2.5% |
| 3 | Scott County Estimated | 1,866 | +3.5% |
| 4 | Johnson County Estimated | 1,694 | -0.4% |
| 5 | Black Hawk County Estimated | 1,569 | 0% |
| 6 | Woodbury County Estimated | 1,398 | -3.8% |
| 7 | Dallas County Estimated | 1,384 | +1.4% |
| 8 | Dubuque County Estimated | 1,116 | +0.9% |
| 9 | Pottawattamie County Estimated | 909 | -10% |
| 10 | Story County Estimated | 809 | -2.2% |
| 11 | Warren County Estimated | 621 | -2.4% |
| 12 | Clinton County Estimated | 498 | -5.9% |
| 13 | Marshall County Estimated | 486 | -0.4% |
| 14 | Sioux County Estimated | 483 | -1.4% |
| 15 | Wapello County Estimated | 466 | +6.2% |
| 16 | Muscatine County Estimated | 455 | +0.7% |
| 17 | Webster County Estimated | 449 | +0.7% |
| 18 | Jasper County Estimated | 435 | +7.4% |
| 19 | Cerro Gordo County Estimated | 397 | -5.5% |
| 20 | Des Moines County Estimated | 389 | -4.4% |
| 21 | Lee County Estimated | 360 | +6.5% |
| 22 | Marion County Estimated | 340 | -1.4% |
| 23 | Washington County Estimated | 295 | +5.7% |
| 24 | Buchanan County Estimated | 286 | +6.3% |
| 25 | Plymouth County Estimated | 285 | -5.3% |
| 26 | Benton County Estimated | 283 | +12.7% |
| 27 | Buena Vista County Estimated | 268 | -6% |
| 28 | Bremer County Estimated | 260 | +1.2% |
| 29 | Boone County Estimated | 251 | -4.2% |
| 30 | Mahaska County Estimated | 235 | +1.3% |
| 31 | Carroll County Estimated | 222 | -3.5% |
| 32 | Fayette County Estimated | 216 | +1.4% |
| 33 | Tama County Estimated | 208 | +3.5% |
| 34 | Hamilton County Estimated | 205 | +8.5% |
| 35 | Crawford County Estimated | 204 | -10.5% |
| 36 | Delaware County Estimated | 203 | -3.3% |
| 37 | Jones County Estimated | 202 | +11.6% |
| 38 | Jackson County Estimated | 200 | -6.5% |
| 39 | Wright County Estimated | 197 | -3.9% |
| 40 | Iowa County Estimated | 189 | -2.1% |
| 41 | Kossuth County Estimated | 183 | +9.6% |
| 42 | Cedar County Estimated | 180 | +15.4% |
| 42 | O'Brien County Estimated | 180 | +0.6% |
| 44 | Henry County Estimated | 178 | -11.4% |
| 45 | Clayton County Estimated | 177 | -11.5% |
| 46 | Floyd County Estimated | 175 | -4.9% |
| 46 | Winneshiek County Estimated | 175 | -3.8% |
| 48 | Davis County Estimated | 172 | +16.2% |
| 49 | Hardin County Estimated | 169 | -2.3% |
| 50 | Poweshiek County Estimated | 164 | -3.5% |
| 51 | Madison County Estimated | 161 | -4.2% |
| 52 | Allamakee County Estimated | 160 | -3% |
| 53 | Clay County Estimated | 153 | -17.7% |
| 53 | Harrison County Estimated | 153 | -12.6% |
| 55 | Dickinson County Estimated | 152 | -11.1% |
| 56 | Lyon County Estimated | 147 | -13.5% |
| 57 | Chickasaw County Estimated | 141 | +14.6% |
| 58 | Butler County Estimated | 140 | +0.7% |
| 59 | Grundy County Estimated | 139 | +13% |
| 60 | Mills County Estimated | 136 | +4.6% |
| 61 | Cass County Estimated | 132 | +2.3% |
| 61 | Clarke County Estimated | 132 | +20% |
| 63 | Jefferson County Estimated | 130 | -0.8% |
| 64 | Appanoose County Estimated | 126 | +2.4% |
| 65 | Union County Estimated | 125 | 0% |
| 66 | Cherokee County Estimated | 124 | +7.8% |
| 67 | Palo Alto County Estimated | 123 | -3.9% |
| 68 | Page County Estimated | 120 | -1.6% |
| 68 | Sac County Estimated | 120 | 0% |
| 70 | Howard County Estimated | 118 | +0.9% |
| 71 | Franklin County Estimated | 116 | -7.2% |
| 72 | Shelby County Estimated | 115 | -10.9% |
| 73 | Mitchell County Estimated | 113 | -8.1% |
| 74 | Wayne County Estimated | 112 | +13.1% |
| 75 | Emmet County Estimated | 107 | -8.5% |
| 75 | Hancock County Estimated | 107 | -9.3% |
| 75 | Montgomery County Estimated | 107 | -0.9% |
| 78 | Lucas County Estimated | 106 | 0% |
| 79 | Keokuk County Estimated | 101 | -12.2% |
| 80 | Louisa County Estimated | 98 | -12.5% |
| 81 | Humboldt County Estimated | 97 | -7.6% |
| 82 | Decatur County Estimated | 95 | +2.2% |
| 82 | Guthrie County Estimated | 95 | +4.4% |
| 84 | Monona County Estimated | 94 | +1.1% |
| 85 | Winnebago County Estimated | 93 | +3.3% |
| 86 | Van Buren County Estimated | 91 | +5.8% |
| 87 | Calhoun County Estimated | 90 | -7.2% |
| 88 | Greene County Estimated | 88 | -1.1% |
| 89 | Monroe County Estimated | 86 | +2.4% |
| 90 | Worth County Estimated | 85 | +6.3% |
| 91 | Adair County Estimated | 84 | -3.4% |
| 92 | Pocahontas County Estimated | 73 | -5.2% |
| 93 | Ida County Estimated | 70 | -9.1% |
| 94 | Taylor County Estimated | 67 | -16.3% |
| 95 | Audubon County Estimated | 66 | +1.5% |
| 96 | Fremont County Estimated | 64 | -12.3% |
| 97 | Osceola County Estimated | 63 | -16% |
| 98 | Ringgold County Estimated | 44 | -8.3% |
| 99 | Adams County Estimated | 35 | -5.4% |
Other periods
About this ranking
Estimated live births to resident mothers from July 1 of the previous year through June 30 of the reported year.
Census population estimates component. The year identifies the end of the July-to-June period. These estimates can be revised and differ from calendar-year birth totals.
Every value in the ranking comes from the same publisher and the same period, so the counties are compared on one definition. Equal values share a rank.
How to cite
U.S. Census Bureau. Population Estimates Program: births, July 1 of the previous year to June 30 of the reported year, nation, states and counties. https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Retrieved 2026-10-08.Use this data in your AI agent
Invokely serves this figure to AI assistants through MCP and to code through a REST API, with the source and citation attached. Ask your assistant:
Rank Counties in Iowa by births (July to June) using official data, and cite the source.
rank_places {"indicator":"births_july_june","level":"province","within":"Iowa","limit":10}
GET https://invokely.ai/api/v1/rank?indicator=births_july_june&level=province&within=Iowa&limit=10Questions
Which county has the highest births (July to June)?
Polk County, with 6,347 in 2024, according to the U.S. Census Bureau.
Which county has the lowest births (July to June)?
Adams County, with 35 in 2024.
Where does this ranking come from?
Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, Population Estimates Program: births, July 1 of the previous year to June 30 of the reported year, nation, states and counties. Retrieved 2026-10-08.
Live births, July to June: other rankings
- US states
- US counties
- Counties in Texas
- Counties in Georgia
- Counties in Virginia
- Counties in Kentucky
- Counties in Missouri
- Counties in Kansas
- Counties in Illinois
- Counties in North Carolina
- Counties in Tennessee
- Counties in Nebraska
Counties in Iowa: more rankings
- Asian population share
- Bachelor's degree or higher, population 25 and over
- Black or African American population share
- Crude birth rate, July to June
- Crude death rate, July to June
- Deaths, July to June
- Foreign-born population share
- Real GDP growth
- GDP per capita, US dollars
- Gross domestic product (GDP), US dollars
- Hispanic or Latino population share
- Homeownership rate (US, housing units)
- Median age
- Median gross rent (monthly)
- Median home value
- Median household income