Washington Tax Tables for 2021
The 2021 Washington Tax Tables summarise the state-level rules applied to wages, deductions, credits and taxable income. These tables match the rules used by the Washington State Tax Calculator 2021.
On This Page
Quick Access Tools
Washington Tax Tables for 2021
The tables below outline the income tax structure, deduction amounts, state-level credits and payroll-related rules used for Washington in 2021. Washington applies a flat income tax to this filing status. All taxable income is taxed at the same rate, with no marginal brackets. This table shows the single rate used in calculations. To understand how flat tax tables differ from progressive systems, see our Tax Tables guide.
Single – Flat Income Tax (2021)
A single flat tax rate applies to all taxable income for Single filers.
| Bracket | Range | Rate |
|---|---|---|
| 1 | 0 and over | 0% |
Married filing jointly – Flat Income Tax (2021)
A single flat tax rate applies to all taxable income for Married filing jointly filers.
| Bracket | Range | Rate |
|---|---|---|
| 1 | 0 and over | 0% |
Married filing separately – Flat Income Tax (2021)
A single flat tax rate applies to all taxable income for Married filing separately filers.
| Bracket | Range | Rate |
|---|---|---|
| 1 | 0 and over | 0% |
Head of household – Flat Income Tax (2021)
A single flat tax rate applies to all taxable income for Head of household filers.
| Bracket | Range | Rate |
|---|---|---|
| 1 | 0 and over | 0% |
Widowed – Flat Income Tax (2021)
A single flat tax rate applies to all taxable income for Widowed filers.
| Bracket | Range | Rate |
|---|---|---|
| 1 | 0 and over | 0% |
Washington Standard Deduction(2021)
State-level standard deduction amounts for each filing status.
| Filing Status | Amount |
|---|---|
| Single | $0 |
| Married filing jointly | $0 |
| Married filing separately | $0 |
| Head of household | $0 |
| Widowed | $0 |
Washington Tax Tables for Related Years
These related years are often reviewed together for comparing bracket changes, deductions and Washington updates:
Frequently Asked Questions
Will this reflect WA paid leave or LTC premiums?
Only if configured as a local line item. Otherwise, this page focuses on income taxes (Federal/FICA/Medicare).
What if I move to a wage-tax state mid-year?
Use the other state’s page for the taxed portion and this page for WA months. Compare in the State hub to plan withholding.
Student loan interest—does it change my net?
If it reduces federal AGI, your federal side improves. With no Washington wage tax, the benefit is entirely federal.
Target growth rate for goals
Run the CAGR Calculator using monthly savings from your WA take-home.
How are ESPP sales handled?
ESPP gains flow through federal tax rules; wages from disqualifying dispositions are taxed federally. Washington doesn’t levy a wage income tax.
Important Notes
All calculations are estimates for guidance only. Always review your return and consider professional advice when submitting official filings.