Side-by-side tax comparison between Oregon (9.9% top rate, graduated) and Washington (no income tax). See which state lets you keep more at every salary level, and how cost of living changes the picture.
Washington has no state income tax, while Oregon uses a graduated system with rates of 4.75-9.9%. On a $100K salary, this creates a state tax difference of $6,435/year that Washington residents simply don’t pay.
Oregon’s graduated brackets mean the gap between these two states widens at higher salaries. At $200K, the state tax difference grows to $12,870/year, while at $50K it’s only $3,218.
Washington wins at 10 out of 10 salary levels tested. The advantage is consistent and significant across the income spectrum.
| Salary | Oregon | Washington | Difference | Winner |
|---|---|---|---|---|
| $40K | $31,746 | $34,320 | +$2,574 | Washington |
| $50K | $39,138 | $42,355 | +$3,218 | Washington |
| $60K | $46,529 | $50,390 | +$3,861 | Washington |
| $75K | $56,711 | $61,538 | +$4,826 | Washington |
| $100K | $72,690 | $79,125 | +$6,435 | Washington |
| $120K | $85,473 | $93,195 | +$7,722 | Washington |
| $150K | $104,099 | $113,751 | +$9,653 | Washington |
| $200K | $136,017 | $148,887 | +$12,870 | Washington |
| $250K | $167,177 | $183,264 | +$16,088 | Washington |
| $300K | $196,024 | $215,329 | +$19,305 | Washington |
Take-home pay only tells part of the story. Oregon has a cost of living index of 110 while Washington is at 110 (national average = 100).
With similar costs of living (110 vs 110), the tax difference is the primary factor. What you see in raw take-home pay is essentially what you get in purchasing power: $66,082 in Oregon vs $71,932 in Washington.
For a single earner at $100K filing jointly, take-home becomes $78,275 in Oregon and $84,710 in Washington \u2014 a difference of $6,435. The gap remains similar regardless of filing status.
On paper, moving from Oregon to Washington would save $6,435/year on a $100K salary, or $32,175 over 5 years. But relocation involves real costs: moving expenses, potentially buying/selling a home, changing jobs, and adjusting to a new community.
With an annual savings of $6,435, the tax difference alone is significant enough to justify a move for many people — especially if career opportunities are comparable. At higher salaries, the savings grow even larger: a $200K earner would save $12,870/year.