Side-by-side tax comparison between Delaware (6.6% top rate, graduated) 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.
Delaware uses a graduated income tax (2.2-6.6%) while Wisconsin has a graduated system (3.5-7.65%). On a $100K salary, Delaware takes $4,290 in state and local taxes compared to Wisconsin’s $4,973 \u2014 a difference of $683.
Both states use graduated brackets, but Wisconsin’s top rate of 7.65% is higher than Delaware’s 6.6%.
Delaware also has local income taxes (estimated at $0/year on $100K), which Wisconsin does not. This widens the gap beyond just state rates.
Delaware wins at 10 out of 10 salary levels tested. The advantage exists but is modest across the income spectrum.
| Salary | Delaware | Wisconsin | Difference | Winner |
|---|---|---|---|---|
| $40K | $32,604 | $32,331 | −$273 | Delaware |
| $50K | $40,210 | $39,869 | −$341 | Delaware |
| $60K | $47,816 | $47,407 | −$410 | Delaware |
| $75K | $58,320 | $57,808 | −$512 | Delaware |
| $100K | $74,835 | $74,153 | −$683 | Delaware |
| $120K | $88,047 | $87,228 | −$819 | Delaware |
| $150K | $107,316 | $106,292 | −$1,024 | Delaware |
| $200K | $140,307 | $138,942 | −$1,365 | Delaware |
| $250K | $172,539 | $170,833 | −$1,706 | Delaware |
| $300K | $202,459 | $200,411 | −$2,048 | Delaware |
Take-home pay only tells part of the story. Delaware has a cost of living index of 102 while Wisconsin is at 93 (national average = 100).
The cost of living gap is moderate. After adjustment, $100K has purchasing power of $73,368 in Delaware vs $79,734 in Wisconsin. However, Wisconsin actually provides better purchasing power despite Delaware’s take-home advantage.
For a single earner at $100K filing jointly, take-home becomes $80,420 in Delaware and $79,738 in Wisconsin \u2014 a difference of $683. The gap remains similar regardless of filing status.
On paper, moving from Wisconsin to Delaware would save $683/year on a $100K salary, or $3,413 over 5 years. But relocation involves real costs: moving expenses, potentially buying/selling a home, changing jobs, and adjusting to a new community.
At $683/year, the tax difference alone likely isn’t worth relocating for. Other factors — job market, lifestyle, family — should drive the decision. The tax savings are a nice bonus if you’re already considering the move for other reasons.