Side-by-side tax comparison between Oklahoma (4.75% top rate) and South Carolina (6.4% top rate).
| Salary | Oklahoma | South Carolina | Difference | Winner |
|---|---|---|---|---|
| $50K | $40,516 | $39,898 | −$619 | Oklahoma |
| $75K | $58,631 | $57,703 | −$928 | Oklahoma |
| $100K | $75,328 | $74,090 | −$1,238 | Oklahoma |
| $150K | $108,102 | $106,246 | −$1,856 | Oklahoma |
| $200K | $141,978 | $139,503 | −$2,475 | Oklahoma |
Oklahoma offers higher take-home pay at every salary level. Oklahoma's 4.75% top rate is more favorable than South Carolina's 6.4%. At $100K, the difference is $1,238/year — that’s $103/month.
However, cost of living matters. Oklahoma has a cost index of 87 while South Carolina is at 92. With similar costs of living, the tax difference is the main factor.