Illinois business income taxes No. 2 in U.S.
Top marginal corporate income tax rate by state, rank in U.S., 2024
0.0%
0.0%
9.0%
9.0%
7.0%
7.0%
5.9%
5.9%
4.9%
4.9%
0.0%
0.0%
4.0%
4.0%
0.0%
0.0%
7.6%
7.6%
5.0%
5.0%
9.8%
9.8%
5.8%
5.8%
6.5%
6.5%
6.0%
6.0%
0.0%
0.0%
9.4%
9.4%
4.0%
4.0%
4.0%
4.0%
4.0%
4.0%
0.0%
0.0%
6.0%
6.0%
5.5%
5.5%
6.0%
6.0%
9.5%
9.5%
7.1%
7.1%
7.9%
7.9%
4.8%
4.8%
6.5%
6.5%
2.5%
2.5%
7.0%
7.0%
5.0%
5.0%
7.5%
7.5%
8.0%
8.0%
6.5%
6.5%
0.0%
0.0%
6.0%
6.0%
5.0%
5.0%
4.9%
4.9%
9.0%
9.0%
5.0%
5.0%
6.5%
6.5%
8.0%
8.0%
8.5%
8.5%
7.5%
7.5%
8.0%
8.0%
9.0%
9.0%
6.4%
6.4%
7.5%
7.5%
8.7%
8.7%
7.0%
7.0%