Every 10 years, following the decennial census, Ohio General Assembly and Congressional districts are redrawn to reflect changes in the state’s population in two parallel, but separate processes.
Federal Congressional Districts 2022
This map was enacted by the Ohio Redistricting Commission on 3/02/2022 in adherence to an Ohio Supreme Court order. It is subject to further judicial review.
Ohio Senate Districts 2022
Ohio House Districts 2022
Appeals Court districts not determined by census data R.C. 2501.01
District Maps 2012-2020
Educational & Judicial Districts 2012-2020
State General Assembly Districts
Federal Congressional Districts
*Equivalency Files are compressed DBF files that can be opened in Excel.
District Maps By County
The Secretary of State's office provides by-county breakdown maps of Ohio Legislative Districts. Click here to request a ZIP file of these maps. For up-to-date county district information, contact your county Board of Elections.
Historical District Maps
The Secretary of State's office provides, for reference purposes, historical district maps dating back to 1972. Click here to request a ZIP file of these maps. The file will be e-mailed to you. For up-to-date county district information, contact your county Board of Elections.