Last updated: 2025 BLS data · Page refreshed:
How much does a Radiation Therapists actually take home in Idaho?
5.8% flat rate — 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 $99,660 in Idaho (single filer, standard deduction).
| Tax Component | Annual Amount | Effective Rate |
|---|---|---|
| Gross Salary (Median) | $99,660 | — |
| Federal Income Tax | -$13,766 | 13.8% |
| Idaho State Income Tax | -$5,780 | 5.8% |
| Social Security (OASDI) | -$6,178 | 6.2% |
| Medicare | -$1,445 | 1.4% |
| Total Taxes | -$27,170 | 27.3% |
| Take-Home Pay | $72,489 | 72.7% |
Take-home pay varies significantly across experience levels. Here is the after-tax breakdown for each salary percentile of Radiation Therapists in Idaho.
| Percentile | Gross Salary | Total Taxes | Take-Home Pay | Tax Rate |
|---|---|---|---|---|
| 10th Percentile (P10) | $81,540 | -$20,746 | $60,793 | 25.4% |
| 25th Percentile (P25) | $81,540 | -$20,746 | $60,793 | 25.4% |
| Median (P50) | $99,660 | -$27,170 | $72,489 | 27.3% |
| 75th Percentile (P75) | $125,030 | -$36,362 | $88,667 | 29.1% |
| 90th Percentile (P90) | $126,590 | -$36,946 | $89,643 | 29.2% |
After federal income tax ($13,766), state tax ($5,780), and FICA ($7,623), a Radiation Therapists in Idaho takes home $72,489 per year — or $6,040 per month. The effective tax rate of 27.3% is moderate compared to the national range.
A Radiation Therapists in Idaho loses 27.3% of gross pay to taxes — higher than the ~25% national midpoint. Of the $99,660 gross, $72,490 lands in the paycheck after federal ($13,766), state ($5,780), and FICA ($7,624) withholding.
Idaho applies a flat state income tax — every dollar of wage income is taxed at the same rate. For this Radiation Therapists salary that contributes $5,780 to the 5.8% effective state-tax burden.
Federal tax on this Radiation Therapists salary is $13,766 (51%), but combined state ($5,780, 21%) + FICA ($7,624, 28%) make up the other 49% of the bill.
Moving this same Radiation Therapists salary to a zero-state-tax state would yield around $78,270 net — a gain of $5,780 (8.0%) per year versus Idaho.
Idaho ranks #33 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, $72,490 net/year works out to $6,041/month or $2,788/bi-weekly for this Radiation Therapists in Idaho — 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.
Idaho ranks #33 out of 46 states for Radiation Therapists after-tax take-home pay.
A Radiation Therapists in Idaho earning a median salary of $99,660 will take home approximately $72,489 per year after federal income tax ($13,766), state income tax ($5,780), and FICA ($7,623). That is $6,040 per month or $2,788 per bi-weekly paycheck.
The effective total tax rate for a Radiation Therapists in Idaho is 27.3%, broken down as: federal income tax 13.8%, Idaho state tax 5.8%, and FICA (Social Security + Medicare) 7.6%. This assumes a single filer with the standard deduction for 2024.
Idaho has a 5.8% flat rate. On a Radiation Therapists's median salary of $99,660, the state income tax amounts to $5,780 per year, which is an effective state rate of 5.8%.
After all taxes, a Radiation Therapists in Idaho takes home approximately $6,040 per month, or about $34.85 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 $99,660 for Radiation Therapists in Idaho, then subtract: federal income tax using 2024 IRS brackets ($14,600 standard deduction), Idaho state income tax (5.8% flat rate), Social Security (6.2% up to $168,600), and Medicare (1.45%). The result — $72,489/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