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Tax year 2026

Pennsylvania vs Washington Income Tax — 2026

A single filer earning $100,000 pays $3,070 less per year in Washington than in Pennsylvania — $256 a month. Pennsylvania charges $3,070; Washington charges $0.

Why this pair has a page: common relocation pair.

Pennsylvania at $100K
$3,070
3.07%
Washington at $100K
$0
0.00%
Annual difference
$3,070
$256 a month
National ranks
15 vs 8
of 50, lowest tax first

The bill at every income

Single filer, standard deduction, no dependents. State income tax only.

Pennsylvania and Washington income tax compared at seven income levels, 2026
Gross incomePennsylvania taxWashington taxDifference
$50,000$1,535$0$1,535 less in WA
$75,000$2,303$0$2,303 less in WA
$100,000$3,070$0$3,070 less in WA
$150,000$4,605$0$4,605 less in WA
$250,000$7,675$0$7,675 less in WA
$500,000$15,350$0$15,350 less in WA
$1,000,000$30,700$0$30,700 less in WA
Annual state income tax, Pennsylvania versus Washington
PA at $50,000: $1,535PA at $50,000$1,535WA at $50,000: $0WA at $50,000$0PA at $75,000: $2,303PA at $75,000$2,303WA at $75,000: $0WA at $75,000$0PA at $100,000: $3,070PA at $100,000$3,070WA at $100,000: $0WA at $100,000$0PA at $150,000: $4,605PA at $150,000$4,605WA at $150,000: $0WA at $150,000$0PA at $250,000: $7,675PA at $250,000$7,675WA at $250,000: $0WA at $250,000$0PA at $500,000: $15,350PA at $500,000$15,350WA at $500,000: $0WA at $500,000$0PA at $1,000,000: $30,700PA at $1,000,000$30,700WA at $1,000,000: $0WA at $1,000,000$0

How the two systems differ

Pennsylvania and Washington income tax systems compared
PennsylvaniaWashington
Tax structureFlat rateNo income tax
Top marginal rate3.07%None
Number of brackets1—
Standard deduction (single)None—
Personal exemptionNone—
Local income taxesYesNo
Capital gainsordinaryseparate
Population (2024)13,078,7517,958,180

By filing status

Pennsylvania and Washington tax on $100,000 by filing status, 2026
Filing statusPennsylvaniaWashingtonDifference
Single$3,070$0$3,070 less in WA
Married filing jointly$3,070$0$3,070 less in WA
Married filing separately$3,070$0$3,070 less in WA
Head of household$3,070$0$3,070 less in WA

Change the assumptions

Adjust income and filing status, or swap either state. The URL updates so you can share the exact comparison.

At $100,000 as a single filer, Washington costs $3,070 less per year than Pennsylvania — $256 a month.

Pennsylvania compared with Washington at $100,000
PennsylvaniaWashingtonDifference
State income tax$3,070$0$3,070
Per month$256$0$256
Effective rate3.07%0.00%3.07 pts
Marginal rate3.07%None3.07 pts
Standard deduction$0—$0
Taxable income$100,000—$100,000
Tax structureFlat rateNo income tax
Local income taxesYesNo

Local taxes are not included above. Pennsylvania has localities that levy their own income tax on top of the state figure. See each state page for the rates that apply.

Full detail: Pennsylvania · Washington · methodology

Local income taxes change this picture

What this comparison leaves out

Sources for both states

  1. 1.Pennsylvania Department of RevenueState revenue department
    Personal Income Tax Rates (rate by year; 3.07% for 2004 - present)
    https://www.pa.gov/agencies/revenue/resources/tax-rates/personal-income-tax-rates
    Retrieved
  2. 2.Tax FoundationResearch organisation (cross-check)
    State Individual Income Tax Rates and Brackets, 2025
    https://taxfoundation.org/data/all/state/state-income-tax-rates/
    Retrieved
  3. 3.Washington State Department of RevenueState revenue department
    Income tax
    https://dor.wa.gov/taxes-rates/income-tax
    Retrieved
  4. 4.Tax FoundationResearch organisation (cross-check)
    State Individual Income Tax Rates and Brackets, 2026
    https://taxfoundation.org/data/all/state/state-income-tax-rates-2026/
    Retrieved · Lists Washington as taxing capital gains income only.

Figures on this page were last checked against these sources on . Found something wrong? Report it.