Iowa
Featured Data Downloads
| Name | Year | Type of Data | Source | Updated |
|---|---|---|---|---|
| Blackhawk County | 2020 | Boundary Map | Blackhawk County | July 10, 2024 |
State Data Downloads
| Name | Year | Type of Data | Source | Updated |
|---|---|---|---|---|
| IA 2022 Precinct-Level Election Results | 2022 | Boundary Map | Voting and Election Science Team (VEST) | September 26, 2025 |
| IA 2018 Precinct-Level Election Results | 2018 | Election Results | Voting and Election Science Team (VEST) | June 26, 2023 |
| IA 2016 Precinct-Level Election Results | 2016 | Election Results | Voting and Election Science Team (VEST) | June 26, 2023 |
| IA 2020 Precinct Shapefile | 2020 | Boundary Map | Voting and Election Science Team (VEST) | June 26, 2023 |
| IA 2020 Precinct-Level Election Results | 2020 | Election Results | Voting and Election Science Team (VEST) | June 26, 2023 |
Locality Data Downloads
| Name | Year | Type of Data | Source | Updated |
|---|---|---|---|---|
| Woodbury County | 2020 | Boundary Map | Woodbury County | July 22, 2024 |
| Story County | 2020 | Boundary Map | Story County | July 22, 2024 |
| Wright County | 2020 | Boundary Map | Wright County | July 22, 2024 |
| Worth County | 2020 | Boundary Map | Worth County | July 22, 2024 |
| Winneshiek County | 2020 | Boundary Map | Winneshiek County | July 22, 2024 |
| Winnebago County | 2020 | Boundary Map | Winnebago County | July 22, 2024 |
| Webster County | 2020 | Boundary Map | Webster County | July 22, 2024 |
| Wayne County | 2020 | Boundary Map | Wayne County | July 22, 2024 |
| Washington County | 2020 | Boundary Map | Washington County | July 22, 2024 |
| Warren County | 2020 | Boundary Map | Warren County | July 17, 2024 |
| Wapello County | 2020 | Boundary Map | Wapello County | July 17, 2024 |
| Van Buren County | 2020 | Boundary Map | Van Buren County | July 17, 2024 |
| Union County | 2020 | Boundary Map | Union County | July 17, 2024 |
| Taylor County | 2020 | Election Results | Taylor County | July 17, 2024 |
| Tama County | 2020 | Boundary Map | Tama County | July 17, 2024 |
| Sioux County | 2020 | Boundary Map | Sioux County | July 17, 2024 |
| Shelby County | 2020 | Boundary Map | Shelby County | July 17, 2024 |
| Scott County | 2020 | Boundary Map | Scott County | July 17, 2024 |
| Sac County | 2020 | Boundary Map | Sac County | July 17, 2024 |
| Ringgold County | 2020 | Boundary Map | Ringgold County | July 17, 2024 |
| Poweshiek County | 2020 | Boundary Map | Poweshiek County | July 17, 2024 |
| Pottawattamie County | 2020 | Boundary Map | Pottawattamie County | July 17, 2024 |
| Polk County | 2020 | Boundary Map | Polk County | July 17, 2024 |
| Pocahontas County | 2020 | Boundary Map | Pocahontas County | July 17, 2024 |
| Mitchell County | 2020 | Boundary Map | Mitchell County | July 17, 2024 |
| Plymouth County | 2020 | Boundary Map | Plymouth County | July 17, 2024 |
| Palo Alto County | 2020 | Boundary Map | Palo Alto County | July 17, 2024 |
| Page County | 2020 | Boundary Map | Page County | July 17, 2024 |
| Osceola County | 2020 | Boundary Map | Osceola County | July 17, 2024 |
| O’Brien County | 2020 | Boundary Map | O'Brien County | July 17, 2024 |
| Muscatine County | 2020 | Boundary Map | Muscatine County | July 17, 2024 |
| Montgomery County | 2020 | Boundary Map | Montgomery County | July 17, 2024 |
| Monroe County | 2020 | Boundary Map | Monroe County | July 17, 2024 |
| Monona County | 2929 | Boundary Map | Monona County | July 17, 2024 |
| Mills County | 2020 | Boundary Map | Mills County | July 17, 2024 |
| Marion County | 2020 | Boundary Map | Marion County | July 16, 2024 |
| Mahaska County | 2020 | Boundary Map | Mahaska County | July 16, 2024 |
| Madison County | 2020 | Boundary Map | Madison County | July 16, 2024 |
| Lyon County | 2020 | Boundary Map | Lyon County | July 16, 2024 |
| Johnson County | 2020 | Boundary Map | Johnson County | July 16, 2024 |
| Louisa County | 2020 | Boundary Map | Louisa County | July 16, 2024 |
| Lucas County | 2020 | Boundary Map | Lucas County | July 16, 2024 |
| Linn County | 2020 | Boundary Map | Linn County | July 16, 2024 |
| Lee County | 2020 | Boundary Map | Lee County | July 16, 2024 |
| Kossuth County | 2020 | Boundary Map | Kossuth County | July 16, 2024 |
| Keokuk County | 2020 | Boundary Map | Keokuk County | July 16, 2024 |
| Jones County | 2020 | Boundary Map | Jones County | July 16, 2024 |
| Jasper County | 2020 | Boundary Map | Jasper County | July 16, 2024 |
| Jefferson County | 2020 | Boundary Map | Jefferson County | July 16, 2024 |
| Iowa County | 2020 | Boundary Map | Iowa County | July 16, 2024 |
| Ida County | 2020 | Boundary Map | Ida County | July 16, 2024 |
| Humboldt County | 2020 | Boundary Map | Humboldt County | July 15, 2024 |
| Henry County | 2020 | Boundary Map | Henry County | July 15, 2024 |
| Howard County | 2020 | Boundary Map | Howard County | July 15, 2024 |
| Harrison County | 2020 | Boundary Map | Harrison County | July 15, 2024 |
| Hardin County | 2020 | Boundary Map | Hardin County | July 15, 2024 |
| Hancock County | 2020 | Boundary Map | Hancock County | July 15, 2024 |
| Hamilton County | 2020 | Boundary Map | Hamilton County | July 15, 2024 |
| Guthrie County | 2020 | Boundary Map | Guthrie County | July 15, 2024 |
| Grundy County | 2020 | Boundary Map | Grundy County | July 15, 2024 |
| Franklin County | 2020 | Boundary Map | Franklin County | July 15, 2024 |
| Greene County | 2020 | Boundary Map | Greene County | July 15, 2024 |
| Freemont County | 2020 | Boundary Map | Freemont County | July 15, 2024 |
| Floyd County | 2020 | Boundary Map | Floyd County | July 15, 2024 |
| Emmet County | 2020 | Boundary Map | Emmet County | July 15, 2024 |
| Fayette County | 2020 | Boundary Map | Fayette County | July 15, 2024 |
| Dubuque County | 2020 | Boundary Map | Dubuque County | July 15, 2024 |
| Dickinson County | 2020 | Boundary Map | Dickinson County | July 15, 2024 |
| Des Moines County | 2020 | Boundary Map | Des Moines County | July 15, 2024 |
| Dallas County | 2020 | Boundary Map | Dallas County | July 15, 2024 |
| Delaware County | 2020 | Boundary Map | Delaware County | July 15, 2024 |
| Decatur County | 2020 | Boundary Map | Decatur County | July 15, 2024 |
| Davis County | 2020 | Boundary Map | Davis County | July 15, 2024 |
| Crawford County | 2020 | Boundary Map | Crawford County | July 15, 2024 |
| Clinton County | 2020 | Boundary Map | Clinton County | July 15, 2024 |
| Blackhawk County | 2020 | Boundary Map | Blackhawk County | July 10, 2024 |
| Clay County | 2020 | Boundary Map | Clay County | July 10, 2024 |
| Clayton County | 2020 | Boundary Map | Clayton County | July 10, 2024 |
| Clarke County | 2020 | Boundary Map | Clarke County | July 10, 2024 |
| Chickasaw County | 2020 | Boundary Map | Chickasaw County | July 10, 2024 |
| Cerro Gordo County | 2020 | Boundary Map | Cerro Gordo County | July 9, 2024 |
| Cherokee County | 2020 | Boundary Map | Cherokee County | July 9, 2024 |
| Cedar County | 2020 | Boundary Map | Cedar County | July 9, 2024 |
| Calhoun County | 2020 | Boundary Map | Calhoun County | July 9, 2024 |
| Butler County | 2020 | Boundary Map | Butler County | July 9, 2024 |
| Buchanan County | 2020 | Boundary Map | Buchanan County | July 9, 2024 |
| Bremer County | 2020 | Boundary Map | Bremer County | July 9, 2024 |
| Audubon County | 2020 | Boundary Map | Audubon County | July 9, 2024 |
| Appanoose County | 2020 | Boundary Map | Appanoose County | July 9, 2024 |
| Allamakee County | 2020 | Boundary Map | Allamakee County | July 9, 2024 |
| Adams County | 2020 | Boundary Map | Adams County | July 9, 2024 |
| Benton County | 2020 | Boundary Map | Benton County | July 9, 2024 |
| Adair County | 2020 | Boundary Map | Adair County | July 9, 2024 |