Illinois Paycheck Calculator 2025
Illinois has a flat income tax bracket ranging from 5.0% to 5.0% for tax year 2025. Use the calculator below to compute take-home pay for any salary, filing status, and deduction profile.
Your Information
Federal Tax Breakdown
Marginal Brackets
FICA Taxes
Illinois Tax Breakdown
State Brackets
What Your Illinois Take-Home Pay Actually Looks Like
A single filer in Illinois keeps $39,739 of a $50,000 salary — an effective tax rate of 20.5% — and $139,035 of $200,000 (30.5%). As gross pay quadruples, the effective rate climbs by 10.0 points, because the progressive federal brackets plus Illinois's graduated state tax claim a larger share of each additional dollar rather than taking a flat cut.
At $100,000, total withholding comes to $26,214: $13,614 in federal income tax, $7,650 in FICA, and $4,950 to Illinois. State income tax is only about 19% of that total — the federal layer and FICA do most of the work, which is why two states with very different headline rates can land on similar take-home figures at middle incomes.
On a bi-weekly schedule the $75,000 earner nets roughly $2,209 per check, or about $4,786 a month, before any 401(k), HSA, or insurance elections. Each of those is withheld pre-tax, so maxing them lowers taxable income and lifts net pay above the figures in the table below.
Take-Home Pay at Common Salaries in Illinois
The table below shows take-home pay for a single filer at five common gross-income levels in Illinois for tax year 2025. Each row stacks federal income tax, FICA, and Illinois state income tax.
| Gross income | Federal tax | FICA | IL state tax | Take-home / year | Take-home / month | Effective rate |
|---|---|---|---|---|---|---|
| $50,000 | $3,962 | $3,825 | $2,475 | $39,739 | $3,312 | 20.5% |
| $75,000 | $8,114 | $5,738 | $3,713 | $57,436 | $4,786 | 23.4% |
| $100,000 | $13,614 | $7,650 | $4,950 | $73,786 | $6,149 | 26.2% |
| $150,000 | $25,247 | $11,475 | $7,425 | $105,853 | $8,821 | 29.4% |
| $200,000 | $37,247 | $13,818 | $9,900 | $139,035 | $11,586 | 30.5% |
Single filer, federal standard deduction, Illinois standard deduction of $0. Excludes 401(k), HSA, insurance premiums, and local taxes.
Illinois State Income Tax Brackets (2025)
Illinois has a single flat income tax bracket for tax year 2025.
| Single bracket | Rate |
|---|---|
| Up to no upper limit | 5.0% |
State standard deduction: $0 (single) / $0 (married filing jointly).
How Illinois Compares to Other States
Illinois's top marginal rate of 5.0% is on the low end of states that levy income tax. For comparison, Alaska, Florida, Nevada, New Hampshire levy no state income tax. Use the state comparison tool to model two states side-by-side at your specific salary.
Frequently Asked Questions
How much is taken out of a paycheck in Illinois?
For tax year 2025 in Illinois, a single filer earning $75,000 takes home approximately $57,436 per year (effective rate 23.4%). That breaks down to roughly $4,786/month or $2,209 bi-weekly. Federal income tax takes $8,114, FICA takes $5,738, and Illinois state tax takes $3,713. Higher salaries face higher effective rates due to the progressive bracket structure.
What are the Illinois income tax brackets for 2025?
Illinois has 1 flat income tax bracket for 2025: 5.0% on income up to $0 and above. The state standard deduction is $0 for single filers and $0 for married filing jointly. Brackets are not always inflation-indexed; check the Illinois Department of Revenue for the current year's official tables.
Is Illinois a high-tax state?
Illinois's top marginal rate of 5.0% is on the low end of the national range. However, marginal rate is not the same as effective rate. The calculator above shows your actual effective rate based on your salary and filing status — usually well below the top marginal number. State sales tax, property tax, and local taxes contribute to overall burden but don't affect your paycheck directly.
How does Illinois compare to no-income-tax states?
At $75,000 gross income, a Illinois single filer keeps approximately $57,436. The same earner in a no-income-tax state (Alaska, Florida, Nevada) would keep approximately $61,149 — a difference of about $3,713 per year. That difference is offset partly or fully in some no-tax states by higher sales tax, property tax, or both. See our state comparison tool to model your exact scenario.
Does this calculator include city or local income tax?
No. The calculator covers federal income tax, FICA (Social Security + Medicare), and Illinois state income tax. Local income taxes — such as those levied in some Illinois cities or counties — are not included because rates vary widely by jurisdiction. Check with your local tax authority if you live in a jurisdiction with municipal income tax.
How can I reduce my Illinois paycheck tax burden?
Pre-tax contributions reduce federal taxable income and, in most cases, Illinois taxable income too. The highest-leverage options: 401(k) contributions up to $23,500 (2025 limit, $31,000 if 50+); HSA contributions up to $4,300 single / $8,550 family if you have an HDHP; traditional IRA contributions up to $7,000 ($8,000 if 50+); FSA up to $3,300. A worker maxing all of these can shift $30,000+ out of taxable income, which at a 22% federal + 5.0% state marginal rate saves roughly $8,085 per year in tax.
Related Tools
- Illinois state tax overview — full tax profile including sales, property, estate
- Illinois 2025 tax brackets — detailed bracket page
- Full income tax calculator — unrestricted state choice + itemize
- Freelance / self-employment tax calculator — SE tax for 1099 earners
- Capital gains calculator — short and long-term gains
- All state paycheck calculators — index for all 50 states