Skip to main content

Possible online services disruption due to Internet related outage

A worldwide technology outage is causing disruption to some State of Illinois online systems.  We are aware of this issue and are diligently working on restoration.

Individual Income Tax Rates for Prior Years

Tax Year Ending Rate
2015 through June 30, 2017 3.75%
2011 through 2014 5.00%
1990 through 2010 3.00%
1989 2.75%
1985 through 1988 2.50%
1984 2.75%
1983 3.00%
1969 through 1982 2.50%