Last updated: 2025 BLS data · Page refreshed:
How much does a Actuaries actually take home in Illinois?
5.0% flat rate — 27.5% effective total tax rateData: BLS OEWS 2025 + IRS/State Tax Brackets 2024 • Updated 2026-05-19
Detailed line-by-line tax calculation for a Actuaries earning $115,430 in Illinois (single filer, standard deduction).
| Tax Component | Annual Amount | Effective Rate |
|---|---|---|
| Gross Salary (Median) | $115,430 | — |
| Federal Income Tax | -$17,241 | 14.9% |
| Illinois State Income Tax | -$5,713 | 4.9% |
| Social Security (OASDI) | -$7,156 | 6.2% |
| Medicare | -$1,673 | 1.5% |
| Total Taxes | -$31,785 | 27.5% |
| Take-Home Pay | $83,644 | 72.5% |
Take-home pay varies significantly across experience levels. Here is the after-tax breakdown for each salary percentile of Actuaries in Illinois.
| Percentile | Gross Salary | Total Taxes | Take-Home Pay | Tax Rate |
|---|---|---|---|---|
| 10th Percentile (P10) | $77,790 | -$18,756 | $59,033 | 24.1% |
| 25th Percentile (P25) | $95,940 | -$25,036 | $70,903 | 26.1% |
| Median (P50) | $115,430 | -$31,785 | $83,644 | 27.5% |
| 75th Percentile (P75) | $158,540 | -$47,564 | $110,975 | 30.0% |
| 90th Percentile (P90) | $202,160 | -$61,467 | $140,692 | 30.4% |
After federal income tax ($17,241), state tax ($5,713), and FICA ($8,830), a Actuaries in Illinois takes home $83,644 per year — or $6,970 per month. The effective tax rate of 27.5% is moderate compared to the national range.
A Actuaries in Illinois loses 27.5% of gross pay to taxes — higher than the ~25% national midpoint. Of the $115,430 gross, $83,644 lands in the paycheck after federal ($17,242), state ($5,714), and FICA ($8,830) withholding.
Illinois applies a flat state income tax — every dollar of wage income is taxed at the same rate. For this Actuaries salary that contributes $5,714 to the 4.9% effective state-tax burden.
Federal tax on this Actuaries salary is $17,242 (54%), but combined state ($5,714, 18%) + FICA ($8,830, 28%) make up the other 46% of the bill.
Moving this same Actuaries salary to a zero-state-tax state would yield around $89,358 net — a gain of $5,714 (6.8%) per year versus Illinois.
Illinois sits near the bottom (#28 of 36) for Actuaries after-tax earnings. Relocation, negotiation, or credential stacking typically show the clearest ROI in bottom-quartile states.
Translated into paycheck cadences, $83,644 net/year works out to $6,970/month or $3,217/bi-weekly for this Actuaries in Illinois — the numbers that actually hit a checking account after every deduction.
Where does a Actuaries keep the most of their paycheck? Top 10 states ranked by after-tax take-home pay.
Illinois ranks #28 out of 36 states for Actuaries after-tax take-home pay.
A Actuaries in Illinois earning a median salary of $115,430 will take home approximately $83,644 per year after federal income tax ($17,241), state income tax ($5,713), and FICA ($8,830). That is $6,970 per month or $3,217 per bi-weekly paycheck.
The effective total tax rate for a Actuaries in Illinois is 27.5%, broken down as: federal income tax 14.9%, Illinois state tax 4.9%, 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 Actuaries's median salary of $115,430, the state income tax amounts to $5,713 per year, which is an effective state rate of 4.9%.
After all taxes, a Actuaries in Illinois takes home approximately $6,970 per month, or about $40.21 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 $115,430 for Actuaries 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 — $83,644/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