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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States compete with each other in a variety of ways, including in attracting (and retaining) residents. Sustained periods of inbound migration lead to (and reflect) greater economic output and growth. Prolonged periods of net outbound migration, however, can strain state coffers, contributing to revenue declines as economic activity and tax revenue follow individuals out of state.
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With most states experiencing reduced tax revenues due to the coronavirus pandemic, several are contemplating whether recreational marijuana legalization and taxation may be one avenue to raise new revenue. While states that have already legalized do raise meaningful revenue, lawmakers should remember that establishment of legal markets takes time.
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While many factors influence business location and investment decisions, sales taxes are something within lawmakers’ control that can have immediate impacts.
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Twenty-six states and the District of Columbia had notable tax changes take effect on January 1, 2021. Because most states’ legislative sessions were cut short in 2020 due to the COVID-19 pandemic, fewer tax changes were adopted in 2020 than in a typical year.
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The coronavirus relief package represents the second-largest recovery legislation, behind only the CARES Act, for a combined total of more than $3 trillion in support.
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On Monday, members of the bipartisan Gang of Eight negotiating an end-of-year pandemic relief package announced that they had settled on language and had divided the package into two bills: a pandemic aid package and a $160 billion state and local support package.
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A typical American household with four phones on a “family share” wireless plan can expect to pay about $270 per year (or 22 percent of their cell phone bill) in taxes, fees, and surcharges.
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Illinois voters rejected a high graduated rate income tax (“Fair Tax”) while Arizonans embraced a large income tax rate increase for high earners, among the many attention-grabbing results from Tuesday’s elections.
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President Joe Biden’s tax plan would yield combined top marginal state and local rates in excess of 60 percent in three states: California, Hawaii, and New Jersey (also New York City).
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