Last updated: 2025 BLS data · Page refreshed:
How much does a Environmental Science and Protection Technicians, Including Health actually take home in Illinois?
5.0% flat rate — 21.3% effective total tax rateData: BLS OEWS 2025 + IRS/State Tax Brackets 2024 • Updated 2026-05-19
Detailed line-by-line tax calculation for a Environmental Science and Protection Technicians, Including Health earning $59,930 in Illinois (single filer, standard deduction).
| Tax Component | Annual Amount | Effective Rate |
|---|---|---|
| Gross Salary (Median) | $59,930 | — |
| Federal Income Tax | -$5,207 | 8.7% |
| Illinois State Income Tax | -$2,966 | 5.0% |
| Social Security (OASDI) | -$3,715 | 6.2% |
| Medicare | -$868 | 1.5% |
| Total Taxes | -$12,758 | 21.3% |
| Take-Home Pay | $47,171 | 78.7% |
Take-home pay varies significantly across experience levels. Here is the after-tax breakdown for each salary percentile of Environmental Science and Protection Technicians, Including Health in Illinois.
| Percentile | Gross Salary | Total Taxes | Take-Home Pay | Tax Rate |
|---|---|---|---|---|
| 10th Percentile (P10) | $40,970 | -$8,094 | $32,875 | 19.8% |
| 25th Percentile (P25) | $49,200 | -$10,119 | $39,080 | 20.6% |
| Median (P50) | $59,930 | -$12,758 | $47,171 | 21.3% |
| 75th Percentile (P75) | $78,520 | -$19,008 | $59,511 | 24.2% |
| 90th Percentile (P90) | $99,680 | -$26,330 | $73,349 | 26.4% |
After federal income tax ($5,207), state tax ($2,966), and FICA ($4,584), a Environmental Science and Protection Technicians, Including Health in Illinois takes home $47,171 per year — or $3,930 per month. The effective tax rate of 21.3% is relatively low compared to the national range.
With an effective total rate of 21.3%, a Environmental Science and Protection Technicians, Including Health in Illinois keeps $47,171 of $59,930 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 Environmental Science and Protection Technicians, Including Health salary that contributes $2,967 to the 5.0% effective state-tax burden.
Federal tax on this Environmental Science and Protection Technicians, Including Health salary is $5,208 (41%), but combined state ($2,967, 23%) + FICA ($4,585, 36%) make up the other 59% of the bill.
Moving this same Environmental Science and Protection Technicians, Including Health salary to a zero-state-tax state would yield around $50,138 net — a gain of $2,967 (6.3%) per year versus Illinois.
Illinois ranks #15 of 49 states for Environmental Science and Protection Technicians, Including Health after-tax pay — comfortably in the upper half.
Translated into paycheck cadences, $47,171 net/year works out to $3,931/month or $1,814/bi-weekly for this Environmental Science and Protection Technicians, Including Health in Illinois — the numbers that actually hit a checking account after every deduction.
Where does a Environmental Science and Protection Technicians, Including Health keep the most of their paycheck? Top 10 states ranked by after-tax take-home pay.
Illinois ranks #15 out of 49 states for Environmental Science and Protection Technicians, Including Health after-tax take-home pay.
A Environmental Science and Protection Technicians, Including Health in Illinois earning a median salary of $59,930 will take home approximately $47,171 per year after federal income tax ($5,207), state income tax ($2,966), and FICA ($4,584). That is $3,930 per month or $1,814 per bi-weekly paycheck.
The effective total tax rate for a Environmental Science and Protection Technicians, Including Health in Illinois is 21.3%, broken down as: federal income tax 8.7%, 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 Environmental Science and Protection Technicians, Including Health's median salary of $59,930, the state income tax amounts to $2,966 per year, which is an effective state rate of 5.0%.
After all taxes, a Environmental Science and Protection Technicians, Including Health in Illinois takes home approximately $3,930 per month, or about $22.68 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 $59,930 for Environmental Science and Protection Technicians, Including Health 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 — $47,171/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