Illinois Tax Guide 2026
Calculate take-home pay, property taxes, and business costs for Illinois. All calculators use 2026 rates.
Illinois Tax Rates at a Glance
State Income Tax
4.95%
Top marginal rate
Property Tax Rate
2.23%
Avg effective rate
LLC Filing Fee
$150
One-time
LLC Annual Fee
$75
Per year
Illinois Salary After Tax by Job
See the exact take-home pay for each profession in Illinois, including federal + state taxes and FICA.
Software Engineer in IllinoisCalculate βRegistered Nurse in IllinoisCalculate βData Scientist in IllinoisCalculate βAccountant in IllinoisCalculate βTeacher in IllinoisCalculate βElectrician in IllinoisCalculate βProject Manager in IllinoisCalculate βFinancial Analyst in IllinoisCalculate βPhysician Assistant in IllinoisCalculate βPhysical Therapist in IllinoisCalculate β
Take-Home Pay by Income in Illinois
How much do you actually keep from your salary in Illinois?
Illinois Property Tax Calculator
Illinois's average effective property tax rate is 2.23%. See monthly and annual costs by home price.
Starting a Business in Illinois
See all LLC formation costs, annual fees, and registered agent requirements for Illinois.
Illinois LLC Cost Calculator βCompare Illinois with Other States
Salary After Tax Guides
See how your salary compares across all 50 states β and how Illinois stacks up.