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.
Illinois income tax is levied at a flat 3% rate regardless of income level. A deduction of $2,000 is allowed for each exemption claimed on your federal return. You can also receive an additional $1,000 exemption if you or your spouse is 65 or older, legally blind, or both.
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.