Washington vs Idaho: Take-Home Pay Compared
On a $100,000 salary you take home $77,793 in Washington and $74,988 in Idaho. That's $2,805 less per year ($234 a month) after moving to Idaho.
| Washington | Idaho | Difference | |
|---|---|---|---|
| Federal income tax | $13,170 | $13,170 | $0 |
| Social Security + Medicare | $7,650 | $7,650 | $0 |
| State income tax | $0 | $4,192 | $4,192 |
| State payroll & local tax | $1,387 | $0 | -$1,387 |
| Take-home pay / year | $77,793 | $74,988 | -$2,805 |
| Take-home / month | $6,483 | $6,249 | -$234 |
| Total tax rate | 22.2% | 25.0% | 2.8% |
To match your Washington take-home pay, you would need about $104,300 in Idaho.
Washington vs Idaho at every salary
Single filer, 2026 tax year, no pre-tax deductions. Difference is Idaho minus Washington.
| Salary | Washington | Idaho | Yearly difference | Monthly |
|---|---|---|---|---|
| $40,000 | $33,765 | $33,308 | -$457 | -$38 |
| $50,000 | $41,661 | $40,813 | -$848 | -$71 |
| $60,000 | $49,558 | $48,318 | -$1,239 | -$103 |
| $75,000 | $60,552 | $58,726 | -$1,826 | -$152 |
| $100,000 | $77,793 | $74,988 | -$2,805 | -$234 |
| $125,000 | $94,970 | $91,187 | -$3,783 | -$315 |
| $150,000 | $111,710 | $106,949 | -$4,761 | -$397 |
| $200,000 | $146,278 | $139,435 | -$6,843 | -$570 |
| $250,000 | $180,243 | $171,040 | -$9,203 | -$767 |
Why the difference?
Federal income tax, Social Security, and Medicare are identical in both states, so the gap comes entirely from state-level taxes. Washington has no income tax on wages, while Idaho has a flat 5.30% income tax. Washington also withholds WA Paid Family & Medical Leave and WA Cares long-term care.
Income tax is only part of the picture: states without an income tax often rely more on sales and property taxes, and housing costs vary far more than taxes do. Use this comparison for your paycheck, then weigh it against rent or mortgage costs in the cities you are considering.
Commuting across the line instead of moving? Read how taxes work when you live in one state and work in another. See the full breakdowns in the Washington paycheck calculator and the Idaho paycheck calculator.
Frequently asked questions
Is Idaho cheaper than Washington for taxes?
For wage earners, Washington takes less of your paycheck. On a $100,000 salary a single filer keeps $2,805 more per year in Washington than in Idaho ($234 per month). Washington has no income tax on wages; Idaho has a flat 5.30% income tax.
How much is $100,000 in Washington worth in Idaho?
To take home the same $77,793 you net on $100,000 in Washington, you would need a salary of about $104,300 in Idaho.
How much will I save moving from Washington to Idaho?
In income and payroll taxes, about -$1,826 per year at $75,000, -$2,805 at $100,000, and -$4,761 at $150,000 (negative numbers mean you pay more in Idaho). Sales, property, and housing costs are not included.