Article I of the United States Constitution created and empowered our legislative branch of government. The United States Congress leads the legislative branch. Congress includes both the House of Representatives and the Senate. Generally speaking, Congress makes our laws.
Income Tax returns and schedules. The Illinois Business Income Tax rate for tax years. ending on or after December 31, 2015, is 5.25 percent. (.0525) for taxpayers taxed as corporations, and 3.75. percent (.0375) for taxpayers taxed as trusts or estates. The instructions for overpayments to be carried forward.
Illinois (IL) Sales Tax Rates by City. The state sales tax rate in Illinois is 6.250%. With local taxes, the total sales tax rate is between 6.250% and 11.000%. Illinois has recent rate changes (Sat Apr 01 2017). Select the Illinois city from the list of popular cities below to see its current sales tax rate.