How much does a Mechanical Engineers actually take home in Washington?
No state income tax — 21.8% 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 Mechanical Engineers earning $104,510 in Washington (single filer, standard deduction).
| Tax Component | Annual Amount | Effective Rate |
|---|---|---|
| Gross Salary (Median) | $104,510 | — |
| Federal Income Tax | -$14,833 | 14.2% |
| Washington State Income Tax | -$0 | 0.0% |
| Social Security (OASDI) | -$6,479 | 6.2% |
| Medicare | -$1,515 | 1.4% |
| Total Taxes | -$22,828 | 21.8% |
| Take-Home Pay | $81,681 | 78.2% |
Take-home pay varies significantly across experience levels. Here is the after-tax breakdown for each salary percentile of Mechanical Engineers in Washington.
| Percentile | Gross Salary | Total Taxes | Take-Home Pay | Tax Rate |
|---|---|---|---|---|
| 10th Percentile (P10) | $74,110 | -$13,814 | $60,295 | 18.6% |
| 25th Percentile (P25) | $83,860 | -$16,705 | $67,154 | 19.9% |
| Median (P50) | $104,510 | -$22,828 | $81,681 | 21.8% |
| 75th Percentile (P75) | $132,100 | -$31,348 | $100,751 | 23.7% |
| 90th Percentile (P90) | $160,290 | -$40,270 | $120,019 | 25.1% |
Washington has no state income tax, which means a Mechanical Engineers keeps $81,681 of their $104,510 salary — 78.2% of gross pay. Only federal income tax and FICA reduce the paycheck, making Washington one of the most tax-friendly states for this occupation.
Where does a Mechanical Engineers keep the most of their paycheck? Top 10 states ranked by after-tax take-home pay.
Washington ranks #5 out of 51 states for Mechanical Engineers after-tax take-home pay.
A Mechanical Engineers in Washington earning a median salary of $104,510 will take home approximately $81,681 per year after federal income tax ($14,833), state income tax ($0), and FICA ($7,995). That is $6,806 per month or $3,141 per bi-weekly paycheck.
The effective total tax rate for a Mechanical Engineers in Washington is 21.8%, broken down as: federal income tax 14.2%, Washington state tax 0.0%, and FICA (Social Security + Medicare) 7.6%. This assumes a single filer with the standard deduction for 2024.
No, Washington does not levy a state income tax on wages. This means a Mechanical Engineers in Washington only pays federal income tax and FICA taxes, resulting in a lower overall tax burden compared to most other states. The total effective rate is 21.8%.
After all taxes, a Mechanical Engineers in Washington takes home approximately $6,806 per month, or about $39.27 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 $104,510 for Mechanical Engineers in Washington, then subtract: federal income tax using 2024 IRS brackets ($14,600 standard deduction), Washington state income tax (no state income tax), Social Security (6.2% up to $168,600), and Medicare (1.45%). The result — $81,681/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