Illinois has a flat 4.95 percent individual income tax rate. Illinois has a 9.50 percent corporate income tax rate (7 percent plus a 2.5 percent personal property replacement tax), a 6.25 percent state sales tax rate, and an average combined state and local sales tax rate of 8.96 percent. Illinois has a 1.88 percent effective property tax rate on owner-occupied housing value. Illinois has an estate tax. Illinois’s gas tax is 66.4 cents per gallon, and its cigarette excise tax is $2.98 per pack of 20 cigarettes.
Illinois raises tax revenue primarily through property taxes (32.3 percent of total state and local tax revenue), individual income taxes (20.7 percent), and other taxes (20.0 percent). Illinois collects $8,339 in state and local tax collections per capita, carries $10,363 in state and local debt per capita, and has a 54 percent funded ratio of public pension plans. Illinois’s tax system ranks 38th overall on the 2026 State Tax Competitiveness Index.
Each state’s tax code is a multifaceted system with many moving parts, and Illinois is no exception. Use the tabs below to compare Illinois taxes with other states and to see how Illinois raises tax revenue. You can also browse our tax maps, which are compiled from our annual publication, Facts & Figures 2026: How Does Your State Compare?
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The State Tax Competitiveness Index enables policymakers, taxpayers, and business leaders to gauge how their states’ tax systems compare. While there are many ways to show how much state governments collect in taxes, the Index evaluates how well states structure their tax systems and provides a road map for improvement.
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Facts & Figures serves as a one-stop state tax data resource that compares all 50 states on over 40 measures of tax rates, collections, burdens, and more.
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Individual income taxes are a major source of state government revenue, accounting for more than a third of state tax collections. How do income taxes compare in your state?
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Retail sales taxes are an essential part of most states’ revenue toolkits, responsible for nearly a quarter of combined state and local tax collections.
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Forty-four states levy a corporate income tax, with top rates ranging from a 2 percent flat rate in North Carolina to an 11.5 percent top marginal rate in New Jersey. Four states—Georgia, Nebraska, North Carolina, and Pennsylvania—reduced their corporate income tax rates effective January 1, 2026.
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Property taxes are the primary tool for financing local governments. While no taxpayers in high-tax jurisdictions will be celebrating their yearly payments, property taxes are largely rooted in the benefit principle of taxation: the people paying the property tax bills are most often the ones benefiting from the services.
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An ideal sales tax applies to a broad base of final consumer goods and services, with few exemptions, and is levied at a low rate.
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Individual income tax rates can influence location decision-making, especially in an era of enhanced mobility, where it is easier for individuals to move without jeopardizing their current job, or without limiting the scope of their search for a new one.
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Recreational marijuana taxation is one of the hottest policy issues in the U.S. Currently, 21 states have implemented legislation to legalize and tax recreational marijuana sales.
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While throwback and throwout rules in states’ corporate tax codes may not be widely understood, they have a notable impact on business location and investment decisions and reduce economic efficiency.
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The overall U.S. tax and transfer system is overwhelmingly progressive, and understanding the extent—and source—of that progressivity is essential for lawmakers considering the trade-offs associated with each tax policy decision.
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As housing prices are rapidly increasing, and property tax bills along with them, the property tax has come into the spotlight in many states. The design of a state’s property tax system can affect how attractive that state is to businesses and residents.
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Facts & Figures serves as a one-stop state tax data resource that compares all 50 states on over 40 measures of tax rates, collections, burdens, and more.
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States can better position themselves for success by moving away from economically-damaging taxes like the capital stock tax.
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A growing number of cities, in red states like Arkansas and Texas, blue states like California and New Jersey, and purple states like Georgia and Nevada, have pursued streaming taxes in recent years.
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Individual income taxes are a major source of state government revenue, accounting for more than a third of state tax collections:
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