State Individual Income Tax Rates and Brackets for 2015

Of those states taxing wages, eight have single-rate tax structures, with one rate applying to all taxable income. Conversely, thirty-three states levy graduated-rate income taxes, with the number of brackets varying widely by state. Three states—Kansas, Nebraska, and Oregon—impose two-rate income taxes. At the other end of the spectrum, three states have ten or more tax brackets, led by Hawaii with twelve. Top marginal rates range from Pennsylvania’s 3.07 percent to California’s 13.3 percent.