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Illinois Tax Brackets 2026
Federal and state income tax brackets for Illinois, with your marginal and effective rate.
On a $75,000 salary, a single filer in Illinois falls in the 22% federal bracket ($7,670 federal tax) and a 4.95% state marginal rate ($3,568 state tax) for 2026 — a combined marginal rate of 26.95%, and a combined effective rate of 15.0% on the whole $75,000.
2026 standard deduction: $16,100 for single.
Federal marginal tax bracket
22%
Filled by your $58,900 taxable income
Effective (gross)
10.2%
Effective (taxable)
13.0%
Federal tax
$7,670
Combined marginal
26.95%
Illinois state tax
$3,568
Estimates use 2026 federal tables and the standard deduction, plus state tables where shown. Actual liability varies with credits, itemized deductions, AMT, and other factors.
2026 federal tables from IRS Rev. Proc. 2025-32; Illinois rates from the state's revenue department and statutes (2026 rates; brackets, standard deduction and exemptions from the latest published state tables, 2025 where the state has not released 2026 figures). Reviewed by Junead Khan. Last updated .
How Illinois taxes your income
Flat 4.95%
Thresholds shown are the latest Illinois has published in our data (tax year 2025).
Illinois applies a flat 4.95% state income tax to income as estimated here — the same rate at every income level in our data, before any additional surtax the state may levy on very high incomes — on top of the federal brackets above.
Combined marginal rate by income
Federal + Illinois state marginal rate, single filer. FICA is separate and not included.
| Income | Combined marginal | Combined effective |
|---|---|---|
| $50,000 | 16.95% | 12.3% |
| $75,000 | 26.95% | 15.0% |
| $100,000 | 26.95% | 18.0% |
| $150,000 | 28.95% | 21.3% |
| $250,000 | 36.95% | 25.4% |
Every state's top bracket rate
Highest statutory bracket rate, highest to lowest. Illinois highlighted. Top rates include any surtax built into a state's brackets in our data; some states levy other surtaxes not shown.
| Rank | State | Top bracket rate |
|---|---|---|
| 1 | California | 12.3% |
| 2 | Hawaii | 11% |
| 3 | New York | 10.9% |
| 4 | District of Columbia | 10.75% |
| 4 | New Jersey | 10.75% |
| 6 | Oregon | 9.9% |
| 7 | Minnesota | 9.85% |
| 8 | Vermont | 8.75% |
| 9 | Wisconsin | 7.65% |
| 10 | Maine | 7.15% |
| 11 | Connecticut | 6.99% |
| 12 | Delaware | 6.6% |
| 13 | Maryland | 6.5% |
| 14 | Rhode Island | 5.99% |
| 15 | New Mexico | 5.9% |
| 16 | Virginia | 5.75% |
| 17 | Montana | 5.65% |
| 18 | Kansas | 5.58% |
| 19 | Idaho | 5.3% |
| 20 | South Carolina | 5.21% |
| 21 | Alabama | 5% |
| 21 | Massachusetts | 5% |
| 23 | Georgia | 4.99% |
| 24 | Illinois | 4.95% |
| 25 | Missouri | 4.7% |
| 26 | West Virginia | 4.58% |
| 27 | Nebraska | 4.55% |
| 28 | Oklahoma | 4.5% |
| 29 | Utah | 4.45% |
| 30 | Colorado | 4.4% |
| 31 | Michigan | 4.25% |
| 32 | Mississippi | 4% |
| 33 | North Carolina | 3.99% |
| 34 | Iowa | 3.8% |
| 35 | Arkansas | 3.7% |
| 36 | Kentucky | 3.5% |
| 37 | Pennsylvania | 3.07% |
| 38 | Louisiana | 3% |
| 39 | Indiana | 2.95% |
| 40 | Ohio | 2.75% |
| 41 | Arizona | 2.5% |
| 41 | North Dakota | 2.5% |
| 43 | Alaska | No tax |
| 43 | Florida | No tax |
| 43 | Nevada | No tax |
| 43 | New Hampshire | No tax |
| 43 | South Dakota | No tax |
| 43 | Tennessee | No tax |
| 43 | Texas | No tax |
| 43 | Washington | No tax |
| 43 | Wyoming | No tax |
Illinois tax bracket questions.
Illinois applies a flat rate of 4.95% in our data — there are no brackets, so this rate applies at every income level before any additional surtax the state may levy on very high incomes, which this calculator does not model. Thresholds shown are the latest Illinois has published in our data (tax year 2025).
A single filer earning $75,000 in Illinois falls in the 22% federal bracket and faces a 4.95% state marginal rate, for a combined marginal rate of 26.95%. The combined effective rate — total income tax divided by income — is 15.0%.
Illinois's top bracket rate of 4.95% ranks 24th of 51 (DC included) from highest to lowest top rate. See the full table below.
No. It applies Illinois's rates to gross income with no state deductions or exemptions, so it can run higher than your actual Illinois tax. The federal figures above do apply the federal standard deduction.
Estimates use 2026 federal tax tables and the federal standard deduction. Thresholds shown are the latest Illinois has published in our data (tax year 2025). Actual liability varies with tax credits, itemized deductions, the alternative minimum tax, and other factors.
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