Side-by-side tax comparison between Alaska (no income tax) and Idaho (5.8% top rate).
| Salary | Alaska | Idaho | Difference | Winner |
|---|---|---|---|---|
| $50K | $42,298 | $40,123 | −$2,175 | Alaska |
| $75K | $61,303 | $58,040 | −$3,263 | Alaska |
| $100K | $78,890 | $74,540 | −$4,350 | Alaska |
| $150K | $113,446 | $106,921 | −$6,525 | Alaska |
| $200K | $149,103 | $140,403 | −$8,700 | Alaska |
Alaska offers higher take-home pay at every salary level. With no state income tax, Alaska gives you a significant advantage over Idaho's 5.8% top rate. At $100K, the difference is $4,350/year — that’s $363/month.
However, cost of living matters. Alaska has a cost index of 127 while Idaho is at 95. After adjusting for cost of living, the gap widens significantly.