How much does a Civil Engineers actually take home in Idaho?
5.8% flat rate — 25.7% effective total tax rateData: BLS OEWS 2024 + IRS/State Tax Brackets 2024 • Updated 2026-04-02
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Detailed line-by-line tax calculation for a Civil Engineers earning $83,390 in Idaho (single filer, standard deduction).
| Tax Component | Annual Amount | Effective Rate |
|---|---|---|
| Gross Salary (Median) | $83,390 | — |
| Federal Income Tax | -$10,186 | 12.2% |
| Idaho State Income Tax | -$4,836 | 5.8% |
| Social Security (OASDI) | -$5,170 | 6.2% |
| Medicare | -$1,209 | 1.4% |
| Total Taxes | -$21,402 | 25.7% |
| Take-Home Pay | $61,987 | 74.3% |
Take-home pay varies significantly across experience levels. Here is the after-tax breakdown for each salary percentile of Civil Engineers in Idaho.
| Percentile | Gross Salary | Total Taxes | Take-Home Pay | Tax Rate |
|---|---|---|---|---|
| 10th Percentile (P10) | $61,620 | -$13,698 | $47,921 | 22.2% |
| 25th Percentile (P25) | $75,650 | -$18,658 | $56,991 | 24.7% |
| Median (P50) | $83,390 | -$21,402 | $61,987 | 25.7% |
| 75th Percentile (P75) | $106,330 | -$29,534 | $76,795 | 27.8% |
| 90th Percentile (P90) | $126,510 | -$36,916 | $89,593 | 29.2% |
After federal income tax ($10,186), state tax ($4,836), and FICA ($6,379), a Civil Engineers in Idaho takes home $61,987 per year — or $5,165 per month. The effective tax rate of 25.7% is moderate compared to the national range.
Where does a Civil Engineers keep the most of their paycheck? Top 10 states ranked by after-tax take-home pay.
Idaho ranks #45 out of 51 states for Civil Engineers after-tax take-home pay.
A Civil Engineers in Idaho earning a median salary of $83,390 will take home approximately $61,987 per year after federal income tax ($10,186), state income tax ($4,836), and FICA ($6,379). That is $5,165 per month or $2,384 per bi-weekly paycheck.
The effective total tax rate for a Civil Engineers in Idaho is 25.7%, broken down as: federal income tax 12.2%, Idaho state tax 5.8%, and FICA (Social Security + Medicare) 7.7%. This assumes a single filer with the standard deduction for 2024.
Idaho has a 5.8% flat rate. On a Civil Engineers's median salary of $83,390, the state income tax amounts to $4,836 per year, which is an effective state rate of 5.8%.
After all taxes, a Civil Engineers in Idaho takes home approximately $5,165 per month, or about $29.80 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 2024 BLS median salary of $83,390 for Civil 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 — $61,987/yr — does not include local taxes, pre-tax deductions (401k, HSA), or tax credits.
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