In 2013, Ohio state income taxes varied by tax bracket from 0.537 to 5.421 percent, reports the Ohio Department of Taxation. The 0.537 percent rate applied to taxable income up to $5,200, while the 5.421 percent rate applied to taxable income over $208,500.
The state of Ohio had nine income tax brackets in 2013, according to the Ohio Department of Taxation. The rates for every tax bracket decreased from the 2012 rates. The state also had a sales tax of 5.5 percent, although each county levied an additional sales tax, which caused the total sales tax rates to vary from 6.25 to 7.75 percent.