Last updated: 2025 BLS data · Page refreshed:
How much does a Nuclear Engineers actually take home in Illinois?
5.0% flat rate — 28.8% effective total tax rateData: BLS OEWS 2025 + IRS/State Tax Brackets 2024 • Updated 2026-05-19
Detailed line-by-line tax calculation for a Nuclear Engineers earning $134,510 in Illinois (single filer, standard deduction).
| Tax Component | Annual Amount | Effective Rate |
|---|---|---|
| Gross Salary (Median) | $134,510 | — |
| Federal Income Tax | -$21,820 | 16.2% |
| Illinois State Income Tax | -$6,658 | 5.0% |
| Social Security (OASDI) | -$8,339 | 6.2% |
| Medicare | -$1,950 | 1.5% |
| Total Taxes | -$38,769 | 28.8% |
| Take-Home Pay | $95,740 | 71.2% |
Take-home pay varies significantly across experience levels. Here is the after-tax breakdown for each salary percentile of Nuclear Engineers in Illinois.
| Percentile | Gross Salary | Total Taxes | Take-Home Pay | Tax Rate |
|---|---|---|---|---|
| 10th Percentile (P10) | $102,890 | -$27,440 | $75,449 | 26.7% |
| 25th Percentile (P25) | $112,260 | -$30,682 | $81,577 | 27.3% |
| Median (P50) | $134,510 | -$38,769 | $95,740 | 28.8% |
| 75th Percentile (P75) | $162,440 | -$48,991 | $113,448 | 30.2% |
| 90th Percentile (P90) | $171,060 | -$51,993 | $119,066 | 30.4% |
After federal income tax ($21,820), state tax ($6,658), and FICA ($10,290), a Nuclear Engineers in Illinois takes home $95,740 per year — or $7,978 per month. The effective tax rate of 28.8% is moderate compared to the national range.
A Nuclear Engineers in Illinois loses 28.8% of gross pay to taxes — higher than the ~25% national midpoint. Of the $134,510 gross, $95,741 lands in the paycheck after federal ($21,821), state ($6,658), and FICA ($10,290) withholding.
Illinois applies a flat state income tax — every dollar of wage income is taxed at the same rate. For this Nuclear Engineers salary that contributes $6,658 to the 5.0% effective state-tax burden.
Federal income tax ($21,821) accounts for 56% of the total tax bill — the single largest deduction. FICA adds $10,290 (27%), and state tax the remaining $6,658 (17%).
The state-tax gap is substantial: a Nuclear Engineers earning this gross in a no-income-tax state would net about $102,399 — an extra $6,658 (7.0%) annually compared with Illinois.
Illinois ranks #11 of 19 states for Nuclear Engineers after-tax pay — lower half of the national distribution. Either gross wages trail the national median, state tax is elevated, or both.
Translated into paycheck cadences, $95,741 net/year works out to $7,978/month or $3,682/bi-weekly for this Nuclear Engineers in Illinois — the numbers that actually hit a checking account after every deduction.
Where does a Nuclear Engineers keep the most of their paycheck? Top 10 states ranked by after-tax take-home pay.
Illinois ranks #11 out of 19 states for Nuclear Engineers after-tax take-home pay.
A Nuclear Engineers in Illinois earning a median salary of $134,510 will take home approximately $95,740 per year after federal income tax ($21,820), state income tax ($6,658), and FICA ($10,290). That is $7,978 per month or $3,682 per bi-weekly paycheck.
The effective total tax rate for a Nuclear Engineers in Illinois is 28.8%, broken down as: federal income tax 16.2%, Illinois state tax 5.0%, and FICA (Social Security + Medicare) 7.7%. This assumes a single filer with the standard deduction for 2024.
Illinois has a 5.0% flat rate. On a Nuclear Engineers's median salary of $134,510, the state income tax amounts to $6,658 per year, which is an effective state rate of 5.0%.
After all taxes, a Nuclear Engineers in Illinois takes home approximately $7,978 per month, or about $46.03 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 2025 BLS median salary of $134,510 for Nuclear Engineers 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 — $95,740/yr — does not include local taxes, pre-tax deductions (401k, HSA), or tax credits.
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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