STATE TAX COMPARISON · TAX YEAR 2026
Idaho vs Washington taxes in 2026
Washington has no income tax on wages, while Idaho taxes income at a flat 5.3%. Single filers keep more in Washington at every income shown: $1,542 more at $50,000, rising to $12,142 at $250,000. A married couple with two children keeps more in Washington at every income shown: $23 more at $50,000, rising to $10,623 at $250,000.
Your estimate
- You keep more in Washington
- $2,866.72 a year
- Idaho income tax
- $2,866.72
- Washington income tax
- $0.00
- Take-home in Idaho
- $58,725.78
- Take-home in Washington
- $61,592.50
Take-home pay in Idaho and Washington
Take-home pay is wages minus state income tax, federal income tax, Social Security and Medicare. Property, sales and other taxes are not included.
| Idaho | Washington | |
|---|---|---|
| $50,000 in wages: $1,542 more take-home in Washington | ||
| State income tax | $1,542 | $0 |
| Take-home pay | $40,813 | $42,355 |
| $75,000 in wages: $2,867 more take-home in Washington | ||
| State income tax | $2,867 | $0 |
| Take-home pay | $58,726 | $61,593 |
| $100,000 in wages: $4,192 more take-home in Washington | ||
| State income tax | $4,192 | $0 |
| Take-home pay | $74,988 | $79,180 |
| $150,000 in wages: $6,842 more take-home in Washington | ||
| State income tax | $6,842 | $0 |
| Take-home pay | $106,949 | $113,791 |
| $250,000 in wages: $12,142 more take-home in Washington | ||
| State income tax | $12,142 | $0 |
| Take-home pay | $171,040 | $183,182 |
| Idaho | Washington | |
|---|---|---|
| $50,000 in wages: $23 more take-home in Washington | ||
| State income tax | $23 | $0 |
| Take-home pay | $48,772 | $48,795 |
| $75,000 in wages: $1,348 more take-home in Washington | ||
| State income tax | $1,348 | $0 |
| Take-home pay | $67,674 | $69,023 |
| $100,000 in wages: $2,673 more take-home in Washington | ||
| State income tax | $2,673 | $0 |
| Take-home pay | $86,437 | $89,110 |
| $150,000 in wages: $5,323 more take-home in Washington | ||
| State income tax | $5,323 | $0 |
| Take-home pay | $122,262 | $127,585 |
| $250,000 in wages: $10,623 more take-home in Washington | ||
| State income tax | $10,623 | $0 |
| Take-home pay | $191,245 | $201,868 |
Rates and deductions
| Idaho | Washington | |
|---|---|---|
| Rates | 5.3% flat | No wage income tax |
| Standard deduction | $16,100 single, $32,200 joint (federal) | None |
| Personal exemption | None | None |
Retirement and Social Security
Does Idaho tax Social Security?
No. Idaho does not tax Social Security benefits.
Idaho Social Security tax rules
Does Idaho tax retirement income?
Yes. Idaho taxes private pensions and 401(k) and IRA withdrawals at its flat rate; its retirement benefits deduction covers only military retirement, older civil service annuities and some Idaho police and firefighter pensions.
Idaho retirement income tax for 2026
Does Washington tax Social Security?
No. Washington has no personal income tax, so it does not tax Social Security benefits.
Washington Social Security tax rules
Does Washington tax retirement income?
No. Washington has no personal income tax, so it does not tax pensions or 401(k) and IRA withdrawals. Federal income tax still applies.