Illinois Income Tax Rate – Blended for 2017
As of July 1, 2017, the Illinois income tax rate for individuals, trusts and estates increased from 3.75 percent to 4.95 percent. Furthermore, for corporations, they increased from 5.25 percent to 7 percent. For 2017 calendar year filers of individual returns, the rate would be 4.3549%. For businesses, the appropriate forms will soon be available […]