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.
122 min read
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.
2 min read
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?
9 min read
Retail sales taxes are an essential part of most states’ revenue toolkits, responsible for nearly a quarter of combined state and local tax collections.
18 min read
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.
9 min read
Heading into Election Day, the Illinois legislature and Governor J.B. Pritzker (D) are trying to convince voters to scrap a key constitutional feature of Illinois’ tax system: a provision in the state constitution that prohibits a graduated-rate income tax.
18 min read
Here are the state tax ballot measures to watch on Election Day 2020. Explore the most notable 2020 state tax ballot measures in 15 states.
4 min read
State tax revenue collections were down 5.5 percent in FY 2020, driven by a dismal final quarter (April through June) as states began to feel the impact of the COVID-19 pandemic. While these early losses are certainly not desirable, they are manageable and far better than many feared.
16 min read
Nineteen states had notable tax changes take effect on July 1, 2020. Pandemic-shortened sessions contributed to less—and different—activity on the tax front than is seen in most years, and will likely yield an unusually active summer and autumn, with many legislatures considering new measures during special sessions.
12 min read
California extends tax filing and payment deadline to July 31 for a broad spectrum of business taxes as Virginia keeps May 1st tax filing deadline.
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Another 1.4 million Americans filed initial regular unemployment benefit claims, the eleventh week of a decline in the rate of new claims, but still among the highest levels in U.S. history. The total number of new and continued claims now stands at 19.3 million, a marked decline from the peak of 24.9 million a month ago.
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Our updated 2020 edition of 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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From remote sales tax collection to taxes on marijuana and vaping products, we recap the top state tax trends from 2019 and break down which ones you should watch for in 2020.
38 min read
Facing an $838 million budget shortfall, a looming pension crisis, and an aggressive spending wish list, some Chicago policymakers and activists are expressing interest in a laundry list of new and higher taxes that could, collectively, raise as much as an additional $4.5 billion a year.
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