Last updated: 2025 BLS data · Page refreshed:
How much does a Civil Engineering Technologists and Technicians actually take home in Illinois?
5.0% flat rate — 24.3% effective total tax rateData: BLS OEWS 2025 + IRS/State Tax Brackets 2024 • Updated 2026-05-19
Detailed line-by-line tax calculation for a Civil Engineering Technologists and Technicians earning $79,190 in Illinois (single filer, standard deduction).
| Tax Component | Annual Amount | Effective Rate |
|---|---|---|
| Gross Salary (Median) | $79,190 | — |
| Federal Income Tax | -$9,262 | 11.7% |
| Illinois State Income Tax | -$3,919 | 5.0% |
| Social Security (OASDI) | -$4,909 | 6.2% |
| Medicare | -$1,148 | 1.5% |
| Total Taxes | -$19,240 | 24.3% |
| Take-Home Pay | $59,949 | 75.7% |
Take-home pay varies significantly across experience levels. Here is the after-tax breakdown for each salary percentile of Civil Engineering Technologists and Technicians in Illinois.
| Percentile | Gross Salary | Total Taxes | Take-Home Pay | Tax Rate |
|---|---|---|---|---|
| 10th Percentile (P10) | $49,130 | -$10,101 | $39,028 | 20.6% |
| 25th Percentile (P25) | $62,390 | -$13,427 | $48,962 | 21.5% |
| Median (P50) | $79,190 | -$19,240 | $59,949 | 24.3% |
| 75th Percentile (P75) | $99,820 | -$26,378 | $73,441 | 26.4% |
| 90th Percentile (P90) | $119,990 | -$33,454 | $86,535 | 27.9% |
After federal income tax ($9,262), state tax ($3,919), and FICA ($6,058), a Civil Engineering Technologists and Technicians in Illinois takes home $59,949 per year — or $4,995 per month. The effective tax rate of 24.3% is relatively low compared to the national range.
With an effective total rate of 24.3%, a Civil Engineering Technologists and Technicians in Illinois keeps $59,949 of $79,190 gross — roughly typical for U.S. middle-income earners once federal, FICA and state taxes are combined.
Illinois applies a flat state income tax — every dollar of wage income is taxed at the same rate. For this Civil Engineering Technologists and Technicians salary that contributes $3,920 to the 5.0% effective state-tax burden.
Federal tax on this Civil Engineering Technologists and Technicians salary is $9,263 (48%), but combined state ($3,920, 20%) + FICA ($6,058, 31%) make up the other 52% of the bill.
Moving this same Civil Engineering Technologists and Technicians salary to a zero-state-tax state would yield around $63,869 net — a gain of $3,920 (6.5%) per year versus Illinois.
For Civil Engineering Technologists and Technicians after-tax pay, Illinois ranks #5 of 50 states — top quartile. High gross wages or low state-tax burden (or both) drive the strong ranking.
Translated into paycheck cadences, $59,949 net/year works out to $4,996/month or $2,306/bi-weekly for this Civil Engineering Technologists and Technicians in Illinois — the numbers that actually hit a checking account after every deduction.
Where does a Civil Engineering Technologists and Technicians keep the most of their paycheck? Top 10 states ranked by after-tax take-home pay.
Illinois ranks #5 out of 50 states for Civil Engineering Technologists and Technicians after-tax take-home pay.
A Civil Engineering Technologists and Technicians in Illinois earning a median salary of $79,190 will take home approximately $59,949 per year after federal income tax ($9,262), state income tax ($3,919), and FICA ($6,058). That is $4,995 per month or $2,305 per bi-weekly paycheck.
The effective total tax rate for a Civil Engineering Technologists and Technicians in Illinois is 24.3%, broken down as: federal income tax 11.7%, 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 Civil Engineering Technologists and Technicians's median salary of $79,190, the state income tax amounts to $3,919 per year, which is an effective state rate of 5.0%.
After all taxes, a Civil Engineering Technologists and Technicians in Illinois takes home approximately $4,995 per month, or about $28.82 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 $79,190 for Civil Engineering Technologists and Technicians 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 — $59,949/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