Tax Information

Tax History and Research


Tax Data Series 

The Tax Data Series is a comprehensive series of data tables for most of Ohio's major state and local taxes. Some tables date back to the mid-1980s.

Tax History

Writing a report on the history of Ohio taxes? Wondering where these taxes came from? Here you can find out about the significant changes that have happened with each Ohio tax.

Annual reports 

For close to a century, the Ohio Department of Taxation (and its predecessor, the Ohio Tax Commission), has published an annual report documenting the agency's efforts.

Research Publications

For additional reports, click on the Research Publications Link