Last updated: 2025 BLS data · Page refreshed:
How much does a Chemical Engineers actually take home in Idaho?
5.8% flat rate — 27.8% effective total tax rateData: BLS OEWS 2025 + IRS/State Tax Brackets 2024 • Updated 2026-05-19
Detailed line-by-line tax calculation for a Chemical Engineers earning $106,740 in Idaho (single filer, standard deduction).
| Tax Component | Annual Amount | Effective Rate |
|---|---|---|
| Gross Salary (Median) | $106,740 | — |
| Federal Income Tax | -$15,323 | 14.4% |
| Idaho State Income Tax | -$6,190 | 5.8% |
| Social Security (OASDI) | -$6,617 | 6.2% |
| Medicare | -$1,547 | 1.5% |
| Total Taxes | -$29,680 | 27.8% |
| Take-Home Pay | $77,059 | 72.2% |
Take-home pay varies significantly across experience levels. Here is the after-tax breakdown for each salary percentile of Chemical Engineers in Idaho.
| Percentile | Gross Salary | Total Taxes | Take-Home Pay | Tax Rate |
|---|---|---|---|---|
| 10th Percentile (P10) | $97,150 | -$26,280 | $70,869 | 27.1% |
| 25th Percentile (P25) | $97,150 | -$26,280 | $70,869 | 27.1% |
| Median (P50) | $106,740 | -$29,680 | $77,059 | 27.8% |
| 75th Percentile (P75) | $168,680 | -$52,704 | $115,975 | 31.2% |
| 90th Percentile (P90) | $174,970 | -$54,669 | $120,300 | 31.2% |
After federal income tax ($15,323), state tax ($6,190), and FICA ($8,165), a Chemical Engineers in Idaho takes home $77,059 per year — or $6,421 per month. The effective tax rate of 27.8% is moderate compared to the national range.
A Chemical Engineers in Idaho loses 27.8% of gross pay to taxes — higher than the ~25% national midpoint. Of the $106,740 gross, $77,060 lands in the paycheck after federal ($15,324), state ($6,191), and FICA ($8,166) withholding.
Idaho applies a flat state income tax — every dollar of wage income is taxed at the same rate. For this Chemical Engineers salary that contributes $6,191 to the 5.8% effective state-tax burden.
Federal tax on this Chemical Engineers salary is $15,324 (52%), but combined state ($6,191, 21%) + FICA ($8,166, 28%) make up the other 48% of the bill.
The state-tax gap is substantial: a Chemical Engineers earning this gross in a no-income-tax state would net about $83,251 — an extra $6,191 (8.0%) annually compared with Idaho.
Idaho ranks #30 of 41 states for Chemical Engineers 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, $77,060 net/year works out to $6,422/month or $2,964/bi-weekly for this Chemical Engineers in Idaho — the numbers that actually hit a checking account after every deduction.
Where does a Chemical Engineers keep the most of their paycheck? Top 10 states ranked by after-tax take-home pay.
Idaho ranks #30 out of 41 states for Chemical Engineers after-tax take-home pay.
A Chemical Engineers in Idaho earning a median salary of $106,740 will take home approximately $77,059 per year after federal income tax ($15,323), state income tax ($6,190), and FICA ($8,165). That is $6,421 per month or $2,963 per bi-weekly paycheck.
The effective total tax rate for a Chemical Engineers in Idaho is 27.8%, broken down as: federal income tax 14.4%, 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 Chemical Engineers's median salary of $106,740, the state income tax amounts to $6,190 per year, which is an effective state rate of 5.8%.
After all taxes, a Chemical Engineers in Idaho takes home approximately $6,421 per month, or about $37.05 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 $106,740 for Chemical 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 — $77,059/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