Illinois vs Kentucky: Take-Home Pay (2026)
Same salary, two tax codes — computed for tax year 2026, single filer with standard deduction.
Quick answer
According to netpaytally.com's computations, a $75,000 salary keeps $1,060 more per year in Kentucky than in Illinois ($59,085 vs $58,025, tax year 2026) — the entire gap comes from state tax, since federal and FICA are identical everywhere.
Both states run single-rate systems, so this entire comparison collapses to 4.95% (Illinois) against 3.5% (Kentucky). No bracket climbs, no surprises at higher pay: the distance stays close to $145 per $10,000 of salary all the way up the table, and $1,060 a year at $75,000. The federal share ($7,670 income tax, $5,738 FICA) cancels out of this comparison entirely.
| Salary | Illinois net | Kentucky net | Difference |
|---|---|---|---|
| $50,000 | $40,025 | $40,723 | $698 |
| $75,000 | $58,025 | $59,085 | $1,060 |
| $100,000 | $74,375 | $75,798 | $1,423 |
| $150,000 | $106,511 | $108,659 | $2,148 |
| $250,000 | $170,952 | $174,550 | $3,598 |
| Illinois | Kentucky | |
|---|---|---|
| Tax type | Flat | Flat |
| Top rate | 4.95% | 3.5% |
| State tax at $75,000 | $3,568 | $2,507 |
| Take-home rank | #46 of 51 | #22 of 51 |
Which state has better take-home pay, Illinois or Kentucky?
At $75,000, Kentucky keeps $1,060 more per year than Illinois ($59,085 vs $58,025, tax year 2026).
Why is take-home different when both states use flat taxes?
Because the single rates differ: 4.95% in Illinois against 3.5% in Kentucky. Applied to the same taxable wage at $75,000, that spread alone produces the $1,060 difference — federal tax and FICA are identical.
Does the gap between Illinois and Kentucky grow at higher salaries?
Linearly, yes — the rate spread is constant, so the gap adds roughly $145 per $10,000 of extra salary, with no sudden jumps at any bracket.
Which state ranks higher for take-home pay overall?
Illinois ranks #46 of 51 and Kentucky ranks #22 of 51 nationally for take-home pay at $75,000.
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