Last updated: 2025 BLS data · Page refreshed:
How much does a Mechanical Engineers actually take home in Washington?
No state income tax — 22.3% effective total tax rateData: BLS OEWS 2025 + IRS/State Tax Brackets 2024 • Updated 2026-05-19
Detailed line-by-line tax calculation for a Mechanical Engineers earning $110,430 in Washington (single filer, standard deduction).
| Tax Component | Annual Amount | Effective Rate |
|---|---|---|
| Gross Salary (Median) | $110,430 | — |
| Federal Income Tax | -$16,135 | 14.6% |
| Washington State Income Tax | -$0 | 0.0% |
| Social Security (OASDI) | -$6,846 | 6.2% |
| Medicare | -$1,601 | 1.5% |
| Total Taxes | -$24,583 | 22.3% |
| Take-Home Pay | $85,846 | 77.7% |
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) | $79,400 | -$15,383 | $64,016 | 19.4% |
| 25th Percentile (P25) | $94,560 | -$19,878 | $74,681 | 21.0% |
| Median (P50) | $110,430 | -$24,583 | $85,846 | 22.3% |
| 75th Percentile (P75) | $139,870 | -$33,807 | $106,062 | 24.2% |
| 90th Percentile (P90) | $167,680 | -$42,609 | $125,070 | 25.4% |
Washington has no state income tax, which means a Mechanical Engineers keeps $85,846 of their $110,430 salary — 77.7% of gross pay. Only federal income tax and FICA reduce the paycheck, making Washington one of the most tax-friendly states for this occupation.
With an effective total rate of 22.3%, a Mechanical Engineers in Washington keeps $85,846 of $110,430 gross — roughly typical for U.S. middle-income earners once federal, FICA and state taxes are combined.
Washington is one of the few states with zero state income tax for wage earners. For a Mechanical Engineers, that means the only deductions are federal income tax and FICA — no additional state withholding. This typically adds several thousand dollars per year compared to comparable states with income tax.
Federal income tax ($16,136) accounts for 66% of the total tax bill — the single largest deduction. FICA adds $8,448 (34%), and state tax the remaining $0 (0%).
For Mechanical Engineers after-tax pay, Washington ranks #12 of 51 states — top quartile. High gross wages or low state-tax burden (or both) drive the strong ranking.
Translated into paycheck cadences, $85,846 net/year works out to $7,154/month or $3,302/bi-weekly for this Mechanical Engineers in Washington — 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.
Washington ranks #12 out of 51 states for Mechanical Engineers after-tax take-home pay.
A Mechanical Engineers in Washington earning a median salary of $110,430 will take home approximately $85,846 per year after federal income tax ($16,135), state income tax ($0), and FICA ($8,447). That is $7,153 per month or $3,301 per bi-weekly paycheck.
The effective total tax rate for a Mechanical Engineers in Washington is 22.3%, broken down as: federal income tax 14.6%, Washington state tax 0.0%, and FICA (Social Security + Medicare) 7.7%. 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 22.3%.
After all taxes, a Mechanical Engineers in Washington takes home approximately $7,153 per month, or about $41.27 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 2025 BLS median salary of $110,430 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 — $85,846/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