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Illinois
By the Numbers

Below is a snapshot of key features of Illinois' tax system. (Scroll Down)
State & Local Revenue (FY08)
  • General Revenue, Own-Source (GROS): $78.1 billion
  • General Revenue as a Share of Income: 14.5%
  • Tax Revenue: $57.8 billion
  • Tax Revenue as Share of income: 10.7%
  • Personal Income Tax (Share of Tax Revenue): 17.8% (37 out of 51)
  • Corporate Income Tax (Share of Tax Revenue): 5.4% (9 out of 51)
  • Sales & Excise Tax (Share of Tax Revenue): 33.3% (27 out of 51)
  • Property Tax (Share of Tax Revenue): 36.8% (8 out of 51)
  • Other Taxes (Share of Tax Revenue): 4.2% (18 out of 51)
Personal Income Tax Features (2011)
  • Range of Tax Rates: 5%
  • Standard Deduction: None
  • Personal Exemption: $2,000
  • Dependent Exemption: $2,000
  • Earned Income Tax Credit (EITC): 5% Refundable
  • Flat income tax rate structure
  • Offers notable exclusion for retirement income
Corporate Income Tax Features (2011)
  • Range of Tax Rates: 7.00%
  • Income Level at Which Top Rate Applies: All
  • Combined Reporting: Yes
  • Apportionment Factor (Payroll): 0%
  • Apportionment Factor (Property): 0%
  • Apportionment Factor (Sales): 100%
Sales Tax Features (2011)
  • State Sales Tax Rate: 6.25%
  • Average Local Sales Tax Rate: 1.65%
  • Average Combined State & Local Sales Tax Rate: 7.90%
  • State Sales Tax Treatment of Groceries: 1%
  • Local Sales Tax Treatment of Groceries: Taxed
  • Number of Services Taxed: 17 out of 168 surveyed
  • Streamlined Sales Tax Membership: No
  • Vendor Compensation available without ceiling
  • State sales tax applies to gasoline
  • "Amazon law" in effect
Property Tax Features (2011)
  • Does not provide a meaningful circuit breaker for non-elderly taxpayers.
  • Provides a non-refundable income tax credit equal to 5% of property taxes paid.
  • Utilizes split roll system.
Other Tax & Revenue Features (2011)
  • Gasoline Tax Rate (per gallon): $0.506
  • Diesel Tax Rate (per gallon): $0.518
  • Cigarette Tax Rate (per pack): $0.98
  • Estate or Inheritance Tax: Yes
  • Net Lottery Sales Per Capita: $142
Tax Policy Oversight
  • Tax Expenditure Report: Yes
  • Tax Incidence Analysis Capability: Personal income tax only

Last Updated August 25, 2011

Sources & Glossary