How Paycheck Taxes Work in Washington
How paycheck taxes work in Washington: Because Washington has no state income tax, your paycheck deductions are primarily federal income tax, Social Security, and Medicare. Washington does not tax wage income. A capital gains tax applies to high earners on investment gains, but regular paychecks are not subject to state income tax.
Washington State Tax Information
Washington has no state income tax.
Washington does not tax wage income. A capital gains tax applies to high earners on investment gains, but regular paychecks are not subject to state income tax.
Federal Income Tax
Federal income tax uses progressive brackets — higher income is taxed at higher rates. The standard deduction reduces your taxable income before brackets apply. Your W-4 determines how much your employer withholds each pay period.
Social Security
Social Security tax (FICA) is 6.2% of wages up to the annual wage base ($184,500 in 2026). Both employee and employer pay this amount; this calculator shows the employee portion.
Medicare
Medicare tax is 1.45% on all wages with no cap. High earners pay an additional 0.9% on wages above $200,000 (single) or $250,000 (married filing jointly).