Last updated: 2025 BLS data · Page refreshed:
How much does a Radiation Therapists actually take home in South Carolina?
Progressive (up to 6.4%) — 27.3% effective total tax rateData: BLS OEWS 2025 + IRS/State Tax Brackets 2024 • Updated 2026-05-19
Detailed line-by-line tax calculation for a Radiation Therapists earning $100,790 in South Carolina (single filer, standard deduction).
| Tax Component | Annual Amount | Effective Rate |
|---|---|---|
| Gross Salary (Median) | $100,790 | — |
| Federal Income Tax | -$14,014 | 13.9% |
| South Carolina State Income Tax | -$5,757 | 5.7% |
| Social Security (OASDI) | -$6,248 | 6.2% |
| Medicare | -$1,461 | 1.5% |
| Total Taxes | -$27,482 | 27.3% |
| Take-Home Pay | $73,307 | 72.7% |
Take-home pay varies significantly across experience levels. Here is the after-tax breakdown for each salary percentile of Radiation Therapists in South Carolina.
| Percentile | Gross Salary | Total Taxes | Take-Home Pay | Tax Rate |
|---|---|---|---|---|
| 10th Percentile (P10) | $75,510 | -$18,369 | $57,140 | 24.3% |
| 25th Percentile (P25) | $82,150 | -$20,763 | $61,386 | 25.3% |
| Median (P50) | $100,790 | -$27,482 | $73,307 | 27.3% |
| 75th Percentile (P75) | $104,800 | -$28,928 | $75,871 | 27.6% |
| 90th Percentile (P90) | $119,890 | -$34,463 | $85,426 | 28.7% |
After federal income tax ($14,014), state tax ($5,757), and FICA ($7,710), a Radiation Therapists in South Carolina takes home $73,307 per year — or $6,108 per month. The effective tax rate of 27.3% is moderate compared to the national range.
A Radiation Therapists in South Carolina loses 27.3% of gross pay to taxes — higher than the ~25% national midpoint. Of the $100,790 gross, $73,307 lands in the paycheck after federal ($14,015), state ($5,758), and FICA ($7,710) withholding.
South Carolina uses a progressive state income tax, so brackets escalate as wages rise. For this Radiation Therapists salary the state tax works out to $5,758 (5.7% effective) — on top of federal and FICA.
Federal tax on this Radiation Therapists salary is $14,015 (51%), but combined state ($5,758, 21%) + FICA ($7,710, 28%) make up the other 49% of the bill.
Moving this same Radiation Therapists salary to a zero-state-tax state would yield around $79,065 net — a gain of $5,758 (7.9%) per year versus South Carolina.
South Carolina ranks #28 of 46 states for Radiation Therapists after-tax pay — lower half of the national distribution. Either gross wages trail the national median, state tax is elevated, or both.
Translated into paycheck cadences, $73,307 net/year works out to $6,109/month or $2,820/bi-weekly for this Radiation Therapists in South Carolina — the numbers that actually hit a checking account after every deduction.
Where does a Radiation Therapists keep the most of their paycheck? Top 10 states ranked by after-tax take-home pay.
South Carolina ranks #28 out of 46 states for Radiation Therapists after-tax take-home pay.
A Radiation Therapists in South Carolina earning a median salary of $100,790 will take home approximately $73,307 per year after federal income tax ($14,014), state income tax ($5,757), and FICA ($7,710). That is $6,108 per month or $2,819 per bi-weekly paycheck.
The effective total tax rate for a Radiation Therapists in South Carolina is 27.3%, broken down as: federal income tax 13.9%, South Carolina state tax 5.7%, and FICA (Social Security + Medicare) 7.6%. This assumes a single filer with the standard deduction for 2024.
South Carolina has a progressive (up to 6.4%). On a Radiation Therapists's median salary of $100,790, the state income tax amounts to $5,757 per year, which is an effective state rate of 5.7%.
After all taxes, a Radiation Therapists in South Carolina takes home approximately $6,108 per month, or about $35.24 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 $100,790 for Radiation Therapists in South Carolina, then subtract: federal income tax using 2024 IRS brackets ($14,600 standard deduction), South Carolina state income tax (progressive (up to 6.4%)), Social Security (6.2% up to $168,600), and Medicare (1.45%). The result — $73,307/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