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Illinois Paycheck and Payroll Guide

Illinois paycheck tools, payroll tax context, and calculator links for salary, hourly, and bonus pay.

Illinois payroll guide

Review Illinois paycheck rules, payroll notes, and calculator routes

Use this page when you want the broad state payroll picture first, then move directly into the salary, hourly, or bonus calculator that matches the paycheck you are reviewing.

Income tax

4.95%

modeled baseline rate for paycheck comparisons

Minimum wage

$15.00

state profile amount for wage-floor checks

Unemployment

3.25%

employer-side planning benchmark in this state

Calculator directory

Open the right Illinois calculator route

These routes keep the state payroll assumptions attached while you model salary, hourly, and supplemental pay scenarios.

Illinois Salary Calculator

Open the Illinois calculator route with state payroll context.

Open

Illinois Hourly Calculator

Open the Illinois calculator route with state payroll context.

Open

Illinois Children Calculator

Open the Illinois calculator route with state payroll context.

Open

Illinois Marriage Calculator

Open the Illinois calculator route with state payroll context.

Open

Illinois Divorce Calculator

Open the Illinois calculator route with state payroll context.

Open

Illinois Flat Bonus Calculator

Open the Illinois calculator route with state payroll context.

Open

Illinois Aggregate Bonus Calculator

Open the Illinois calculator route with state payroll context.

Open

Illinois 401(k) Calculator

Open the Illinois calculator route with state payroll context.

Open

Illinois Tax Tip Calculator

Open the Illinois calculator route with state payroll context.

Open

Illinois Gross-Up Calculator

Open the Illinois calculator route with state payroll context.

Open

Illinois Dual Salary Calculator

Open the Illinois calculator route with state payroll context.

Open

Illinois Dual Hourly Calculator

Open the Illinois calculator route with state payroll context.

Open
State details

Key Illinois payroll details

Illinois paycheck estimates should reflect state income tax before you compare gross pay with net pay.

Illinois minimum wage reference: $15.00 per hour.

Illinois uses flat state income tax, which keeps the state side of paycheck comparisons easier to read than many bracketed states.

FAQ

Common Illinois payroll questions

Short answers to the payroll questions that usually show up when you are comparing take-home pay, withholding, or state payroll rules.