Last updated: 2025 BLS data · Page refreshed:
How much does a Mechanical Engineers actually take home in Idaho?
5.8% flat rate — 26.7% effective total tax rateData: BLS OEWS 2025 + IRS/State Tax Brackets 2024 • Updated 2026-05-19
Detailed line-by-line tax calculation for a Mechanical Engineers earning $93,190 in Idaho (single filer, standard deduction).
| Tax Component | Annual Amount | Effective Rate |
|---|---|---|
| Gross Salary (Median) | $93,190 | — |
| Federal Income Tax | -$12,342 | 13.2% |
| Idaho State Income Tax | -$5,405 | 5.8% |
| Social Security (OASDI) | -$5,777 | 6.2% |
| Medicare | -$1,351 | 1.5% |
| Total Taxes | -$24,876 | 26.7% |
| Take-Home Pay | $68,313 | 73.3% |
Take-home pay varies significantly across experience levels. Here is the after-tax breakdown for each salary percentile of Mechanical Engineers in Idaho.
| Percentile | Gross Salary | Total Taxes | Take-Home Pay | Tax Rate |
|---|---|---|---|---|
| 10th Percentile (P10) | $63,660 | -$14,408 | $49,251 | 22.6% |
| 25th Percentile (P25) | $76,540 | -$18,974 | $57,565 | 24.8% |
| Median (P50) | $93,190 | -$24,876 | $68,313 | 26.7% |
| 75th Percentile (P75) | $108,570 | -$30,329 | $78,240 | 27.9% |
| 90th Percentile (P90) | $141,020 | -$42,350 | $98,669 | 30.0% |
After federal income tax ($12,342), state tax ($5,405), and FICA ($7,129), a Mechanical Engineers in Idaho takes home $68,313 per year — or $5,692 per month. The effective tax rate of 26.7% is moderate compared to the national range.
A Mechanical Engineers in Idaho loses 26.7% of gross pay to taxes — higher than the ~25% national midpoint. Of the $93,190 gross, $68,313 lands in the paycheck after federal ($12,343), state ($5,405), and FICA ($7,129) withholding.
Idaho applies a flat state income tax — every dollar of wage income is taxed at the same rate. For this Mechanical Engineers salary that contributes $5,405 to the 5.8% effective state-tax burden.
Federal tax on this Mechanical Engineers salary is $12,343 (50%), but combined state ($5,405, 22%) + FICA ($7,129, 29%) make up the other 50% of the bill.
Moving this same Mechanical Engineers salary to a zero-state-tax state would yield around $73,718 net — a gain of $5,405 (7.9%) per year versus Idaho.
Idaho sits near the bottom (#47 of 51) for Mechanical Engineers after-tax earnings. Relocation, negotiation, or credential stacking typically show the clearest ROI in bottom-quartile states.
Translated into paycheck cadences, $68,313 net/year works out to $5,693/month or $2,627/bi-weekly for this Mechanical Engineers in Idaho — the numbers that actually hit a checking account after every deduction.
Where does a Mechanical Engineers keep the most of their paycheck? Top 10 states ranked by after-tax take-home pay.
Idaho ranks #47 out of 51 states for Mechanical Engineers after-tax take-home pay.
A Mechanical Engineers in Idaho earning a median salary of $93,190 will take home approximately $68,313 per year after federal income tax ($12,342), state income tax ($5,405), and FICA ($7,129). That is $5,692 per month or $2,627 per bi-weekly paycheck.
The effective total tax rate for a Mechanical Engineers in Idaho is 26.7%, broken down as: federal income tax 13.2%, 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 Mechanical Engineers's median salary of $93,190, the state income tax amounts to $5,405 per year, which is an effective state rate of 5.8%.
After all taxes, a Mechanical Engineers in Idaho takes home approximately $5,692 per month, or about $32.84 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 $93,190 for Mechanical Engineers 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 — $68,313/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