Last updated: 2025 BLS data · Page refreshed:
How much does a Statistical Assistants actually take home in Illinois?
5.0% flat rate — 21.7% effective total tax rateData: BLS OEWS 2025 + IRS/State Tax Brackets 2024 • Updated 2026-05-19
Detailed line-by-line tax calculation for a Statistical Assistants earning $63,410 in Illinois (single filer, standard deduction).
| Tax Component | Annual Amount | Effective Rate |
|---|---|---|
| Gross Salary (Median) | $63,410 | — |
| Federal Income Tax | -$5,791 | 9.1% |
| Illinois State Income Tax | -$3,138 | 5.0% |
| Social Security (OASDI) | -$3,931 | 6.2% |
| Medicare | -$919 | 1.5% |
| Total Taxes | -$13,780 | 21.7% |
| Take-Home Pay | $49,629 | 78.3% |
Take-home pay varies significantly across experience levels. Here is the after-tax breakdown for each salary percentile of Statistical Assistants in Illinois.
| Percentile | Gross Salary | Total Taxes | Take-Home Pay | Tax Rate |
|---|---|---|---|---|
| 10th Percentile (P10) | $46,170 | -$9,373 | $36,796 | 20.3% |
| 25th Percentile (P25) | $55,190 | -$11,592 | $43,597 | 21.0% |
| Median (P50) | $63,410 | -$13,780 | $49,629 | 21.7% |
| 75th Percentile (P75) | $69,590 | -$15,919 | $53,670 | 22.9% |
| 90th Percentile (P90) | $77,960 | -$18,815 | $59,144 | 24.1% |
After federal income tax ($5,791), state tax ($3,138), and FICA ($4,850), a Statistical Assistants in Illinois takes home $49,629 per year — or $4,135 per month. The effective tax rate of 21.7% is relatively low compared to the national range.
With an effective total rate of 21.7%, a Statistical Assistants in Illinois keeps $49,629 of $63,410 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 Statistical Assistants salary that contributes $3,139 to the 5.0% effective state-tax burden.
Federal tax on this Statistical Assistants salary is $5,791 (42%), but combined state ($3,139, 23%) + FICA ($4,851, 35%) make up the other 58% of the bill.
Moving this same Statistical Assistants salary to a zero-state-tax state would yield around $52,768 net — a gain of $3,139 (6.3%) per year versus Illinois.
For Statistical Assistants after-tax pay, Illinois ranks #6 of 25 states — top quartile. High gross wages or low state-tax burden (or both) drive the strong ranking.
Translated into paycheck cadences, $49,629 net/year works out to $4,136/month or $1,909/bi-weekly for this Statistical Assistants in Illinois — the numbers that actually hit a checking account after every deduction.
Where does a Statistical Assistants keep the most of their paycheck? Top 10 states ranked by after-tax take-home pay.
Illinois ranks #6 out of 25 states for Statistical Assistants after-tax take-home pay.
A Statistical Assistants in Illinois earning a median salary of $63,410 will take home approximately $49,629 per year after federal income tax ($5,791), state income tax ($3,138), and FICA ($4,850). That is $4,135 per month or $1,908 per bi-weekly paycheck.
The effective total tax rate for a Statistical Assistants in Illinois is 21.7%, broken down as: federal income tax 9.1%, 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 Statistical Assistants's median salary of $63,410, the state income tax amounts to $3,138 per year, which is an effective state rate of 5.0%.
After all taxes, a Statistical Assistants in Illinois takes home approximately $4,135 per month, or about $23.86 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 $63,410 for Statistical Assistants 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 — $49,629/yr — does not include local taxes, pre-tax deductions (401k, HSA), or tax credits.
Some links are affiliate links. See our disclosure.
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