Illinois keeps it simple. Flat 4.95% on all income. No brackets. On 75k single filer in Chicago 2026 you keep about 58,560 after all taxes. State takes about 2,915. That is less than Wisconsin but more than Indiana 3.05%. Want only federal math. Check USA Federal Tax Calculator 2026 for IRS numbers.
Illinois Salary After Tax Calculator 2026
Why Illinois Flat Tax Is Simple But Property Tax Hurts
Illinois has flat 4.95% since 2017. Before that 3.75%. Constitution requires flat tax, so no progressive brackets. That means every dollar of Illinois taxable income taxed at 4.95%. No matter if you make 20k or 2M. Simple.
On 75k gross single, taxable after federal standard 16,100 is 58,900. Federal tax 7,670. Illinois tax 58,900 times 4.95% equals 2,915.55. FICA 5,737.50. Total taxes 16,323.05. Take home 58,676.95. Monthly 4,889. Real Illinois return has its own exemption 2,775 per person plus standard? Illinois allows no standard deduction but gives personal exemption. So real Illinois taxable a bit lower, maybe 56,125 taxable Illinois tax 2,778. So take home a bit higher around 58,814.
But Illinois killer is property tax. Second highest in US average effective 2.07%. Only New Jersey higher at 2.2%. On 300k home in Illinois you pay 6,210 per year property tax. On 400k home 8,280. In Indiana next door property tax 0.81% only. On same 300k home Indiana 2,430. So Illinois property tax almost triple Indiana.
Sales tax Illinois 6.25% state plus local up to 4.75% total up to 11% in Chicago. Chicago combined sales tax 10.25%. Highest big city. Groceries taxed at 1% reduced rate, not fully exempt. Chicago also has extra local income? No, Illinois does not allow local city income tax except Chicago does not have one.
Retirement in Illinois is excellent. Illinois does NOT tax any retirement income. Social Security exempt, pension exempt, 401k and IRA withdrawals exempt. All retirement income fully exempt from Illinois 4.95%. That is huge. If you retire with 60k pension plus Social Security, you pay zero Illinois tax. That is why retirees stay despite high property tax.
How To Save More In Illinois
401k saves you 4.95% state plus federal. Every 1k in 401k saves 49.50 state plus 120 to 220 federal. So 10k 401k saves 495 state plus 2,200 federal equals 2,695. HSA also deductible Illinois conforms.
Property tax appeal is must in Illinois. Cook County assessments often inflated. Appeal every year you can save 500 to 1,500. Also homestead exemption 10k off assessed value for primary residence. Senior homestead extra 8k.
Married joint filing helps federal tax. Illinois flat same rate joint. On same 75k joint taxable 42,800 federal 4,340 Illinois 2,119 FICA 5,737 take home 62,804 annually 5,233 monthly. That is 4,127 more than single.
Self employed in Illinois pays same 4.95% flat plus 15.3% FICA both halves. So freelance 75k take home about 54,900 after both halves.
Many Illinois residents move to Indiana or Wisconsin for lower property tax. Indiana flat 3.05% income tax lower than Illinois 4.95% plus property tax 0.81% vs 2.07%. So Indiana saves about 5k per year on 300k home plus income tax.
Illinois Tax Brackets 2026 Flat One Rate
| Taxable Income IL | Rate 2026 | Calculation on 75k |
|---|---|---|
| 0 to infinity all income | 4.95% Flat | 58,900 x 0.0495 = 2,915.55 |
| Retirement income | 0% Exempt | Pension 401k IRA SS all exempt |
Illinois Salary Examples 2026 Take Home
| Gross | Status | Federal | IL 4.95% | Take Home | Monthly |
|---|---|---|---|---|---|
| 50k | Single | 3820 | 1678 | 40677 | 3389 |
| 75k | Single | 7670 | 2915 | 58677 | 4889 |
| 75k | Married Joint | 4340 | 2119 | 62803 | 5233 |
| 100k | Single | 13170 | 4153 | 75027 | 6252 |
FAQ Real Searches Illinois
How much is 75000 after taxes in Illinois
Single filer 2026 standard 16,100 taxable 58,900 federal 7,670 Illinois 4.95% 2,915 FICA 5,737 take home 58,677 annually 4,889 monthly. Married joint about 62,803 annually 5,233 monthly.
What is Illinois state income tax rate 2026
Flat 4.95% on all Illinois taxable income. One rate for everyone. Retirement income 0% fully exempt including pension 401k IRA and Social Security.
Does Illinois tax retirement income
No. Illinois is one of few states that does not tax any retirement income. Social Security, pensions, 401k, IRA distributions all exempt from Illinois 4.95%.
Is Illinois better than Indiana for taxes
Indiana flat 3.05% vs Illinois 4.95% so Indiana cheaper income tax by 1,120 on 75k. Property tax Indiana 0.81% vs Illinois 2.07% so Indiana saves 3,780 on 300k home. Sales tax Indiana 7% vs Illinois up to 10.25% Chicago. So Indiana wins for most.
Factrendy Disclaimer: Uses 2026 IRS brackets 10 to 37 percent, standard deduction 16100 single 32200 married, FICA base 184500 SS 6.2 plus Medicare 1.45 plus 0.9 over 200k 250k, and Illinois flat 4.95% per 35 ILCS 5/201. Does not include Illinois personal exemption 2775 property tax credit 5% up to 300 homestead exemptions retirement income exempt property tax 2.07% avg sales tax 6.25 to 10.25%. For exact withholding consult CPA or Illinois Dept of Revenue. Verified Jan 2026.