Last updated: 2025 BLS data · Page refreshed:
How much does a Transportation Inspectors actually take home in Illinois?
5.0% flat rate — 20.5% effective total tax rateData: BLS OEWS 2025 + IRS/State Tax Brackets 2024 • Updated 2026-05-19
Detailed line-by-line tax calculation for a Transportation Inspectors earning $47,990 in Illinois (single filer, standard deduction).
| Tax Component | Annual Amount | Effective Rate |
|---|---|---|
| Gross Salary (Median) | $47,990 | — |
| Federal Income Tax | -$3,774 | 7.9% |
| Illinois State Income Tax | -$2,375 | 5.0% |
| Social Security (OASDI) | -$2,975 | 6.2% |
| Medicare | -$695 | 1.5% |
| Total Taxes | -$9,821 | 20.5% |
| Take-Home Pay | $38,168 | 79.5% |
Take-home pay varies significantly across experience levels. Here is the after-tax breakdown for each salary percentile of Transportation Inspectors in Illinois.
| Percentile | Gross Salary | Total Taxes | Take-Home Pay | Tax Rate |
|---|---|---|---|---|
| 10th Percentile (P10) | $36,500 | -$6,995 | $29,505 | 19.2% |
| 25th Percentile (P25) | $39,920 | -$7,836 | $32,083 | 19.6% |
| Median (P50) | $47,990 | -$9,821 | $38,168 | 20.5% |
| 75th Percentile (P75) | $93,950 | -$24,347 | $69,602 | 25.9% |
| 90th Percentile (P90) | $129,600 | -$36,972 | $92,627 | 28.5% |
After federal income tax ($3,774), state tax ($2,375), and FICA ($3,671), a Transportation Inspectors in Illinois takes home $38,168 per year — or $3,180 per month. The effective tax rate of 20.5% is relatively low compared to the national range.
With an effective total rate of 20.5%, a Transportation Inspectors in Illinois keeps $38,168 of $47,990 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 Transportation Inspectors salary that contributes $2,376 to the 5.0% effective state-tax burden.
Federal tax on this Transportation Inspectors salary is $3,775 (38%), but combined state ($2,376, 24%) + FICA ($3,671, 37%) make up the other 62% of the bill.
A Transportation Inspectors earning this gross in a no-income-tax state (e.g., Texas, Florida) would take home approximately $40,544 — only $2,376 (6.2%) more than in Illinois.
Illinois sits near the bottom (#43 of 44) for Transportation Inspectors after-tax earnings. Relocation, negotiation, or credential stacking typically show the clearest ROI in bottom-quartile states.
Translated into paycheck cadences, $38,168 net/year works out to $3,181/month or $1,468/bi-weekly for this Transportation Inspectors in Illinois — the numbers that actually hit a checking account after every deduction.
Where does a Transportation Inspectors keep the most of their paycheck? Top 10 states ranked by after-tax take-home pay.
Illinois ranks #43 out of 44 states for Transportation Inspectors after-tax take-home pay.
A Transportation Inspectors in Illinois earning a median salary of $47,990 will take home approximately $38,168 per year after federal income tax ($3,774), state income tax ($2,375), and FICA ($3,671). That is $3,180 per month or $1,468 per bi-weekly paycheck.
The effective total tax rate for a Transportation Inspectors in Illinois is 20.5%, broken down as: federal income tax 7.9%, 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 Transportation Inspectors's median salary of $47,990, the state income tax amounts to $2,375 per year, which is an effective state rate of 5.0%.
After all taxes, a Transportation Inspectors in Illinois takes home approximately $3,180 per month, or about $18.35 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 $47,990 for Transportation Inspectors 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 — $38,168/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