Quick answer
Wisconsin taxes income in 4 brackets from 3.50% to 7.65% for 2026; for single filers the top rate starts above $332,720. The single-filer standard deduction is $13,960 and the personal exemption is $700, per the Tax Foundation's compilation of state law as of January 1, 2026.
Data as of 2026-01-01. Source: Tax Foundation (state statutes, Jan 1 2026)
| Single rate | Single: income over | Married-joint rate | Married-joint: income over |
|---|---|---|---|
| 3.50% | $0 | 3.50% | $0 |
| 4.40% | $15,110 | 4.40% | $20,150 |
| 5.30% | $51,950 | 5.30% | $69,260 |
| 7.65% | $332,720 | 7.65% | $443,630 |
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Last updated 2026-10-16. Data only, not financial or tax advice.