South Dakota vs Wisconsin:
Take-Home Pay Comparison
Side-by-side tax comparison between South Dakota (no income tax) and Wisconsin (7.65% top rate, graduated). See which state lets you keep more at every salary level, and how cost of living changes the picture.
Tax Structure: South Dakota vs Wisconsin
South Dakota has no state income tax, while Wisconsin uses a graduated system with rates of 3.5-7.65%. On a $100K salary, this creates a state tax difference of $4,973/year that South Dakota residents simply don’t pay.
Wisconsin’s graduated brackets mean the gap between these two states widens at higher salaries. At $200K, the state tax difference grows to $9,945/year, while at $50K it’s only $2,486.
Take-Home at Every Salary Level
South Dakota wins at 10 out of 10 salary levels tested. The advantage is consistent and significant across the income spectrum.
| Salary | South Dakota | Wisconsin | Difference | Winner |
|---|---|---|---|---|
| $40K | $34,320 | $32,331 | −$1,989 | South Dakota |
| $50K | $42,355 | $39,869 | −$2,486 | South Dakota |
| $60K | $50,390 | $47,407 | −$2,984 | South Dakota |
| $75K | $61,538 | $57,808 | −$3,729 | South Dakota |
| $100K | $79,125 | $74,153 | −$4,973 | South Dakota |
| $120K | $93,195 | $87,228 | −$5,967 | South Dakota |
| $150K | $113,751 | $106,292 | −$7,459 | South Dakota |
| $200K | $148,887 | $138,942 | −$9,945 | South Dakota |
| $250K | $183,264 | $170,833 | −$12,431 | South Dakota |
| $300K | $215,329 | $200,411 | −$14,918 | South Dakota |
Cost of Living: South Dakota (92) vs Wisconsin (93)
Take-home pay only tells part of the story. South Dakota has a cost of living index of 92 while Wisconsin is at 93 (national average = 100).
With similar costs of living (92 vs 93), the tax difference is the primary factor. What you see in raw take-home pay is essentially what you get in purchasing power: $86,005 in South Dakota vs $79,734 in Wisconsin.
Married Filing Jointly: How It Changes the Comparison
For a single earner at $100K filing jointly, take-home becomes $84,710 in South Dakota and $79,738 in Wisconsin \u2014 a difference of $4,973. The gap remains similar regardless of filing status.
Should You Move from Wisconsin to South Dakota?
On paper, moving from Wisconsin to South Dakota would save $4,973/year on a $100K salary, or $24,863 over 5 years. But relocation involves real costs: moving expenses, potentially buying/selling a home, changing jobs, and adjusting to a new community.
The $4,973/year savings is meaningful but probably not enough to justify a move on its own. However, combined with other factors like career growth, lifestyle preferences, or family proximity, it could tip the scale.