Last updated: 2025 BLS data · Page refreshed:
How much does a Data Scientists actually take home in Washington?
No state income tax — 25.2% effective total tax rateData: BLS OEWS 2025 + IRS/State Tax Brackets 2024 • Updated 2026-05-19
Detailed line-by-line tax calculation for a Data Scientists earning $163,350 in Washington (single filer, standard deduction).
| Tax Component | Annual Amount | Effective Rate |
|---|---|---|
| Gross Salary (Median) | $163,350 | — |
| Federal Income Tax | -$28,742 | 17.6% |
| Washington State Income Tax | -$0 | 0.0% |
| Social Security (OASDI) | -$10,127 | 6.2% |
| Medicare | -$2,368 | 1.5% |
| Total Taxes | -$41,238 | 25.2% |
| Take-Home Pay | $122,111 | 74.8% |
Take-home pay varies significantly across experience levels. Here is the after-tax breakdown for each salary percentile of Data Scientists in Washington.
| Percentile | Gross Salary | Total Taxes | Take-Home Pay | Tax Rate |
|---|---|---|---|---|
| 10th Percentile (P10) | $79,930 | -$15,540 | $64,389 | 19.4% |
| 25th Percentile (P25) | $105,240 | -$23,044 | $82,195 | 21.9% |
| Median (P50) | $163,350 | -$41,238 | $122,111 | 25.2% |
| 75th Percentile (P75) | $208,320 | -$53,225 | $155,094 | 25.5% |
| 90th Percentile (P90) | $220,040 | -$57,251 | $162,788 | 26.0% |
Washington has no state income tax, which means a Data Scientists keeps $122,111 of their $163,350 salary — 74.8% 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 25.2%, a Data Scientists in Washington keeps $122,111 of $163,350 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 Data Scientists, 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 ($28,742) accounts for 70% of the total tax bill — the single largest deduction. FICA adds $12,496 (30%), and state tax the remaining $0 (0%).
For Data Scientists after-tax pay, Washington ranks #1 of 49 states — top quartile. High gross wages or low state-tax burden (or both) drive the strong ranking.
Translated into paycheck cadences, $122,111 net/year works out to $10,176/month or $4,697/bi-weekly for this Data Scientists in Washington — the numbers that actually hit a checking account after every deduction.
Where does a Data Scientists keep the most of their paycheck? Top 10 states ranked by after-tax take-home pay.
Washington ranks #1 out of 49 states for Data Scientists after-tax take-home pay.
A Data Scientists in Washington earning a median salary of $163,350 will take home approximately $122,111 per year after federal income tax ($28,742), state income tax ($0), and FICA ($12,496). That is $10,175 per month or $4,696 per bi-weekly paycheck.
The effective total tax rate for a Data Scientists in Washington is 25.2%, broken down as: federal income tax 17.6%, 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 Data Scientists 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 25.2%.
After all taxes, a Data Scientists in Washington takes home approximately $10,175 per month, or about $58.71 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 $163,350 for Data Scientists 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 — $122,111/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