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Illinois Income Tax Table Illinois Income Tax Brackets (Tax Year 2018)
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Tax Year 2018 / Filed April 2019

Federal Tax Reform: In December 2017, congress passed a sweeping federal income tax overhaul that affects personal income tax rates from tax year 2018 onward. This page shows the new federal tax brackets for tax year 2018, which will apply to personal tax returns filed in April 2019. The full text of the "2017 TAX CUTS AND JOBS ACT" can be found here
Illinois - 2019 Single Tax Brackets
Tax Bracket Tax Rate
$0.00+ 4.95%
Illinois - 2019 Married Filing Jointly Tax Brackets
Tax Bracket Tax Rate
$0.00+ 4.95%

This page shows Tax-Brackets.org's archived Illinois tax brackets for tax year 2019. This means that these brackets applied to all income earned in 2018, and the tax return that uses these tax rates was due in April 2019.

Illinois' income tax rates were last changed three years ago for tax year 2016, and the tax brackets have not been changed since at least 2001.

The current tax year is 2020, and the Illinois income tax brackets have not been changed since 2019.

2019 Illinois Tax Deduction Amounts

Tax-Brackets.org also maintains an archive of important Illinois income tax exemption amounts, including the Illinois Standard Deduction, the Illinois Personal Exemption, and the Illinois Dependent Deduction. The values of these deductions for tax year 2019 are as follows:

Deduction numbers aren't available for Illinois for this tax year.

Please contact us if you'd like to contribute this data!

Illinois Income Tax Table 2019 Sources & Citations

Disclaimer: While we do our best to keep our historical Illinois income tax rates up to date and complete, we cannot be held liable for errors or omissions. Is info on this page missing or out-of-date? Please let us know so we can fix it!

Tax Data Sources:

  1. The Illinois tax brackets on this page sourced from the Illinois Department of Revenue in 2019. Please contact us if any of our Illinois tax data is incorrect or out of date.

** This Document Provided By Tax-Brackets.org **
Source: http://www.tax-brackets.org/illinoistaxtable/2019