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