Side-by-side tax comparison between Iowa (5.7% top rate) and Kansas (5.7% top rate).
| Salary | Iowa | Kansas | Difference | Winner |
|---|---|---|---|---|
| $50K | $40,160 | $40,160 | −$0 | Iowa |
| $75K | $58,096 | $58,096 | −$0 | Iowa |
| $100K | $74,615 | $74,615 | −$0 | Iowa |
| $150K | $107,034 | $107,034 | −$0 | Iowa |
| $200K | $140,553 | $140,553 | −$0 | Iowa |
Iowa offers higher take-home pay at every salary level. Iowa's 5.7% top rate is more favorable than Kansas's 5.7%. At $100K, the difference is $0/year — that’s $0/month.
However, cost of living matters. Iowa has a cost index of 89 while Kansas is at 90. With similar costs of living, the tax difference is the main factor.