Where do these numbers come from?
- SSA2026 Social Security wage base ($184,500)2026
- IRSPublication 15 (2026): FICA and FUTA rates2026
- EY Tax NewsState unemployment wage bases and new-employer rates for 2026updated 29 Jul 2026
- OECDTaxing Wages 2026, comparative indicatorspublished April 2026
Checked Oct 23, 2026. A $75,000 salary in California: Social Security 6.2% = $4,650 (SSA 2026 wage base $184,500), Medicare 1.45% = $1,087.50, FUTA 0.6% × $7,000 = $42 (IRS Publication 15), California UI 3.4% + 0.1% ETT on the first $7,000 = $245 (EY 2026 chart). Total $81,024.50, the figure this calculator shows. Automated tests repeat this and 20 more US checks.
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Illinois employer payroll taxes at a glance
| Tax | 2026 rate | Wage base | Max per employee |
|---|---|---|---|
| Illinois unemployment (new employer) | 3.35% | $14,250 | $477.38 |
| Social Security (employer) | 6.2% | $184,500 | $11,439.00 |
| Medicare (employer) | 1.45% | No limit | No limit |
| FUTA (after full state credit) | 0.6% | $7,000 | $42.00 |
Rate detail: Includes the 0.55% fund building rate.
Rate year shown: 2026. After the first years, Illinois assigns an experience rate based on your claims history; use the rate on your notice. Source: EY Tax News, SUI wage bases and tax rates for 2026 (updated 29 Jul 2026).
Employer cost by salary in Illinois
| Salary | Social Security | Medicare | FUTA | SUTA | Total cost before benefits |
|---|---|---|---|---|---|
| $40,000 | $2,480.00 | $580.00 | $42.00 | $477.38 | $43,579 |
| $60,000 | $3,720.00 | $870.00 | $42.00 | $477.38 | $65,109 |
| $75,000 | $4,650.00 | $1,087.50 | $42.00 | $477.38 | $81,257 |
| $100,000 | $6,200.00 | $1,450.00 | $42.00 | $477.38 | $108,169 |
Withholding from employee paychecks
Employers withhold federal income tax, 6.2% Social Security and 1.45% Medicare from every paycheck. State income tax is also withheld; use the state’s withholding tables. Illinois has a flat state income tax that employers withhold.
Getting set up
Register with the Illinois unemployment insurance agency when you first pay wages in the state, get a federal EIN, file Form 941 quarterly and Form 940 annually, and send new-hire reports to the state. Employees are generally covered by the state where they physically work.
Sources: SSA 2026 fact sheet (Social Security wage base $184,500); IRS Publication 15 (2026); US DOL, FUTA credit reductions. State unemployment rates are new-employer rates for 2026; your assigned rate may differ.
Related
- California payroll taxes
- Texas payroll taxes
- New York payroll taxes
- Florida payroll taxes
- Pennsylvania payroll taxes
- Ohio payroll taxes
- Payroll calculator
- What is SUTA tax?
Frequently asked questions
What payroll taxes do employers pay in Illinois?
Federal Social Security (6.2%), Medicare (1.45%) and FUTA (0.6% on $7,000), plus Illinois unemployment tax (3.35% on the first $14,250 for new employers in 2026).
What is the Illinois SUTA wage base?
$14,250 per employee for 2026.
Does Illinois have state income tax withholding?
Yes.
How much does a $75,000 employee cost in Illinois?
About $81,257 a year before benefits, health insurance and workers’ compensation.