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.
Download all Illinois sales tax rates by zip code. The Cook County, Illinois sales tax is 9.00% , consisting of 6.25% Illinois state sales tax and 2.75% Cook County local sales taxes.The local sales tax consists of a 1.75% county sales tax and a 1.00% special district sales tax (used to fund transportation districts, local attractions, etc). Cook County Illinois Sales Tax Exemptions.