Register as a new employer using the New Business Registration application (Form REG-1) on MyTax Illinois. This will create a withholding account with the Department of Revenue. Alternatively you can file forms REG-1 and UI-1 together by mail.
2024 Income Tax Brackets (due April 2025) Single Filers Taxable IncomeRate $0 - $11,600 10% $11,600 - $47,150 12% $47,150 - $100,525 22%4 more rows
Use the Tax Withholding Estimator on IRS. The Tax Withholding Estimator works for most employees by helping them determine whether they need to give their employer a new Form W-4. They can use their results from the estimator to help fill out the form and adjust their income tax withholding.
U.S. Resident Withholding Tax Generally, you want about 90% of your estimated income taxes withheld and sent to the government.12 This ensures that you never fall behind on income taxes (something that can result in heavy penalties) and that you are not overtaxed throughout the year.
The personal income tax rate in Illinois is a flat rate of 4.95%. Illinois has reciprocity and requires Form W-5-NR with the following states: Iowa, Kentucky, Michigan, and Wisconsin.
Overview of Federal Taxes Gross Paycheck$3,146 Federal Income 11.19% $352 State Income 4.70% $148 Local Income 3.28% $103 FICA and State Insurance Taxes 7.80% $24623 more rows
To claim exempt, write EXEMPT under line 4c. You may claim EXEMPT from withholding if: o Last year you had a right to a full refund of All federal tax income and o This year you expect a full refund of ALL federal income tax. NOTE: if you claim EXEMPT you must complete a new W-4 annually in February.
Form W-4 tells your employer how much tax to withhold from each paycheck. Learn more about how and when to adjust your W-4.