Ohio Sales Tax Rate 2025 By County 2025. Putting everything together, the average cumulative sales tax rate in the state of ohio is 7.25% with a range that spans from 6.5% to 8%. Then, identify the local sales tax rates, varying across counties, cities, and districts.

Our free online ohio sales tax calculator calculates exact sales tax by state, county, city, or zip code. The average sales tax rate in ohio in 2025 is 5.75%.