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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In his FY 2025 budget, Illinois Gov. Pritzker outlined a number of proposed tax changes, including to individual and corporate income taxes, state sales taxes, and sports betting excise taxes.
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Does your state have a small business exemption for machinery and equipment?
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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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Short FormWorking from home is great. The tax complications? Not so much.
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Retail sales taxes are an essential part of most states’ revenue toolkits, responsible for 32 percent of state tax collections and 13 percent of local tax collections (24 percent of combined collections).
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Graduated corporate rates are inequitable—that is, the size of a corporation bears no necessary relation to the income levels of the owners.
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The pandemic has accelerated changes to the way we live and work, making it far easier for people to move—and they have. As states work to maintain their competitive advantage, they should pay attention to where people are moving, and try to understand why.
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Marijuana taxation is one of the hottest policy issues in the United States. Twenty-one states have implemented legislation to legalize and tax recreational marijuana sales.
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People respond to incentives. As tax rates increase or products are banned from sale, consumers and producers search for ways around these penalties and restrictions.
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Contrary to initial expectations, the pandemic years were good for state and local tax collections, and while the surges of 2021 and 2022 have not continued into calendar year 2023, revenues remain robust in most states and well above pre-pandemic levels even after accounting for inflation.
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