How much does a Stationary Engineers and Boiler Operators actually take home in Illinois?
5.0% flat rate — 27.0% effective total tax rateData: BLS OEWS 2024 + IRS/State Tax Brackets 2024 • Updated 2026-04-02
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Detailed line-by-line tax calculation for a Stationary Engineers and Boiler Operators earning $106,790 in Illinois (single filer, standard deduction).
| Tax Component | Annual Amount | Effective Rate |
|---|---|---|
| Gross Salary (Median) | $106,790 | — |
| Federal Income Tax | -$15,334 | 14.4% |
| Illinois State Income Tax | -$5,286 | 5.0% |
| Social Security (OASDI) | -$6,620 | 6.2% |
| Medicare | -$1,548 | 1.5% |
| Total Taxes | -$28,790 | 27.0% |
| Take-Home Pay | $77,999 | 73.0% |
Take-home pay varies significantly across experience levels. Here is the after-tax breakdown for each salary percentile of Stationary Engineers and Boiler Operators in Illinois.
| Percentile | Gross Salary | Total Taxes | Take-Home Pay | Tax Rate |
|---|---|---|---|---|
| 10th Percentile (P10) | $67,270 | -$15,116 | $52,153 | 22.5% |
| 25th Percentile (P25) | $81,570 | -$20,064 | $61,505 | 24.6% |
| Median (P50) | $106,790 | -$28,790 | $77,999 | 27.0% |
| 75th Percentile (P75) | $114,170 | -$31,343 | $82,826 | 27.5% |
| 90th Percentile (P90) | $125,490 | -$35,467 | $90,022 | 28.3% |
After federal income tax ($15,334), state tax ($5,286), and FICA ($8,169), a Stationary Engineers and Boiler Operators in Illinois takes home $77,999 per year — or $6,499 per month. The effective tax rate of 27.0% is moderate compared to the national range.
Where does a Stationary Engineers and Boiler Operators keep the most of their paycheck? Top 10 states ranked by after-tax take-home pay.
Illinois ranks #2 out of 50 states for Stationary Engineers and Boiler Operators after-tax take-home pay.
A Stationary Engineers and Boiler Operators in Illinois earning a median salary of $106,790 will take home approximately $77,999 per year after federal income tax ($15,334), state income tax ($5,286), and FICA ($8,169). That is $6,499 per month or $2,999 per bi-weekly paycheck.
The effective total tax rate for a Stationary Engineers and Boiler Operators in Illinois is 27.0%, broken down as: federal income tax 14.4%, Illinois state tax 5.0%, and FICA (Social Security + Medicare) 7.6%. This assumes a single filer with the standard deduction for 2024.
Illinois has a 5.0% flat rate. On a Stationary Engineers and Boiler Operators's median salary of $106,790, the state income tax amounts to $5,286 per year, which is an effective state rate of 5.0%.
After all taxes, a Stationary Engineers and Boiler Operators in Illinois takes home approximately $6,499 per month, or about $37.50 per hour (based on a standard 2,080-hour work year). These figures assume a single filer, standard deduction, and no additional pre-tax deductions.
We start with the 2024 BLS median salary of $106,790 for Stationary Engineers and Boiler Operators in Illinois, then subtract: federal income tax using 2024 IRS brackets ($14,600 standard deduction), Illinois state income tax (5.0% flat rate), Social Security (6.2% up to $168,600), and Medicare (1.45%). The result — $77,999/yr — does not include local taxes, pre-tax deductions (401k, HSA), or tax credits.
This estimate assumes a single filer using the 2024 standard deduction ($14,600), with W-2 employment income only. It does not account for: itemized deductions, tax credits (e.g. earned income credit, child tax credit), local/city taxes, pre-tax contributions (401k, HSA, FSA), self-employment tax, or additional income sources. Actual take-home pay may differ. Consult a tax professional for personalized advice.
Our Methodology · Data Sources · Salary: BLS OEWS · Tax: IRS + State DOR