As of 2015, Illinois state tax charts are available at Revenue.State.IL.us, according to the Illinois Department of Revenue. The list includes income, sales, property, excise and motor fuel taxes. Some tax rates vary because they are location-based, while for other rates, all taxpayers pay the same amount regardless of location.
Illinois state taxes that have fixed rates include business income tax, which is 5.25 percent of a corporation's net income and 3.75 percent of a trust's or estate's net income, and individual income tax, which is 3.75 percent of a taxpayer's net income, notes the Illinois Department of Revenue. As of 2015, personal property replacement tax is 2.5 percent of a corporation's net income other than an S corporation, and 1.5 percent of the net income of a partnership, trust and S corporation.