Side-by-side tax comparison between Illinois (4.95% top rate) and Indiana (3.05% top rate).
| Salary | Illinois | Indiana | Difference | Winner |
|---|---|---|---|---|
| $50K | $40,441 | $40,404 | −$38 | Illinois |
| $75K | $58,518 | $58,462 | −$56 | Illinois |
| $100K | $75,178 | $75,103 | −$75 | Illinois |
| $150K | $107,877 | $107,765 | −$113 | Illinois |
| $200K | $141,678 | $141,528 | −$150 | Illinois |
Illinois offers higher take-home pay at every salary level. Illinois's 4.95% top rate is more favorable than Indiana's 3.05%. At $100K, the difference is $75/year — that’s $6/month.
However, cost of living matters. Illinois has a cost index of 93 while Indiana is at 90. With similar costs of living, the tax difference is the main factor.