Illinois vs Indiana
Illinois has a progressive state income tax reaching 4.95%. Indiana has a progressive state income tax reaching 2.95%. Federal tax is identical in both, so the state layer is the whole difference.
Nothing compared yet. Add a country above, then change the country and add another to compare them side by side.
The difference is the state layer
Chicago draws workers from Indiana, which cut its flat rate again for 2026 and adds local income taxes.
US$1,085 a year apart on US$60,000, in favour of Indiana
| Gross | Illinois keeps | Indiana keeps | Difference |
|---|---|---|---|
| US$30,000 | US$24,945 | US$25,430 | US$485 more in Indiana |
| US$60,000 | US$47,565 | US$48,650 | US$1,085 more in Indiana |
| US$100,000 | US$74,375 | US$76,260 | US$1,885 more in Indiana |
| US$150,000 | US$106,511 | US$109,396 | US$2,885 more in Indiana |
Both use the USD, so these are the same amount of money on both sides. Figures are for a single filer and exclude cost of living, and include federal tax and payroll taxes, which are identical either side.
Both states apply the same federal income tax, Social Security and Medicare. Enter a salary above and switch the state selector between Illinois and Indiana to see the gap on your own number.
Illinois
a progressive state income tax reaching 4.95%
Indiana
a progressive state income tax reaching 2.95%
Local taxes are not included, and they can change this comparison where one of the two has significant city or county income taxes.