State Income Tax Calculator for Washington (WA) — Free Calculator

Washington State Income Tax Overview

Washington (WA) state income tax rate: 0% — Washington has no state income tax.

Washington has no personal income tax on wages. However, in 2022, Washington enacted a 7% tax on long-term capital gains over $262,000 (indexed to inflation). The Washington Supreme Court upheld this tax in 2023. The first $262,000 of gains is excluded, and real estate, retirement accounts, and livestock are exempt.

Median Household Income in Washington

The median household income in Washington is $82,400. Washington has one of the higher median household incomes nationally, driven by the Seattle metro's concentration of major tech companies (Amazon, Microsoft, Boeing). The lack of income tax is highly valuable for high-income tech workers, though the B&O tax is a meaningful burden for self-employed and small business owners.

How to Use This Calculator for Washington

Enter your gross income and filing status
Washington has no state income tax — you'll only owe federal income tax
Subtract your standard deduction and any applicable credits
Review your estimated state and federal tax liability

Data: Tax Foundation (2024), IRS Statistics of Income, US Census Bureau ACS 2023. Updated 2024–2025. Figures reflect state averages — consult a licensed CPA for personalized tax advice.

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Frequently Asked Questions

What is the Washington state income tax rate?

Washington has no state income tax. Residents pay only federal income tax.

How does Washington's income tax compare to the national average?

Washington is one of nine states with no individual income tax, making it significantly below the national average state income tax burden.

What is the median household income in Washington?

The median household income in Washington is $82,400. Washington has one of the higher median household incomes nationally, driven by the Seattle metro's concentration of major tech companies (Amazon, Microsoft, Boeing). The lack of income tax is highly valuable for high-income tech workers, though the B&O tax is a meaningful burden for self-employed and small business owners.

Is this state income tax calculator free to use for Washington?

Yes, this state income tax calculator is 100% free with no signup required. It includes Washington-specific tax rates and calculates your estimated state and federal tax liability instantly.