Side-by-side tax comparison between California (13.3% top rate) and South Dakota (no income tax).
| Salary | California | South Dakota | Difference | Winner |
|---|---|---|---|---|
| $50K | $37,310 | $42,298 | +$4,988 | South Dakota |
| $75K | $53,821 | $61,303 | +$7,481 | South Dakota |
| $100K | $68,915 | $78,890 | +$9,975 | South Dakota |
| $150K | $98,484 | $113,446 | +$14,963 | South Dakota |
| $200K | $129,153 | $149,103 | +$19,950 | South Dakota |
South Dakota offers higher take-home pay at every salary level. With no state income tax, South Dakota gives you a significant advantage over California's 13.3% top rate. At $100K, the difference is $9,975/year — that’s $831/month.
However, cost of living matters. California has a cost index of 142 while South Dakota is at 92. After adjusting for cost of living, the gap widens significantly.