Updated October 2, 2026. Quick answer: Wisconsin’s individual income tax rates vary from 3.50% to 7.65%. The Department of Revenue table we could read on October 2, 2026 is headed 2025, so this page shows those thresholds for single, joint and separate filers and does not state 2026 thresholds.
What the Department of Revenue publishes
The department’s FAQ says “Wisconsin individual income tax rates vary from 3.50% to 7.65%, depending upon marital status and income.” The tables on that page are headed 2025. This page did not find a 2026 table and states no 2026 thresholds; whether the thresholds are adjusted for 2026 is a question for the department’s 2026 table.
The 2025 table: single and head of household filers
| Rate | Taxable income | Tax at the start of the range |
|---|---|---|
| 3.50% | Up to $14,680 | $0 |
| 4.4% | Over $14,680 up to $50,480 | $513.80 |
| 5.3% | Over $50,480 up to $323,290 | $2,089 |
| 7.65% | Over $323,290 | $16,547.93 |
The department lists this table for “single taxpayers, taxpayers qualified to file as head of household, estates, and trusts”.
The 2025 table: married filing jointly
| Rate | Taxable income | Tax at the start of the range |
|---|---|---|
| 3.50% | Up to $19,580 | $0 |
| 4.4% | Over $19,580 up to $67,300 | $685.30 |
| 5.3% | Over $67,300 up to $431,060 | $2,784.98 |
| 7.65% | Over $431,060 | $22,064.26 |
The 2025 table: married filing separately
| Rate | Taxable income | Tax at the start of the range |
|---|---|---|
| 3.50% | Up to $9,790 | $0 |
| 4.4% | Over $9,790 up to $33,650 | $342.65 |
| 5.3% | Over $33,650 up to $215,530 | $1,392.49 |
| 7.65% | Over $215,530 | $11,032.13 |
Each printed tax at the start of a range recomputes from the one before it, and this page checked every row.
A worked example with the 2025 table
As a computed example (an illustration, not a source figure), take a single filer with $60,000 of Wisconsin taxable income under the 2025 table. That is in the 5.3% range that starts at $50,480 with $2,089 of tax, so the tax is $2,593.56 (computed). It is a 2025 table result, not a 2026 estimate.
Common mistakes
- Presenting the 2025 table as the 2026 brackets.
- Using the single table for a joint return. The joint thresholds are higher.
- Applying 7.65% to all income. It applies only above the top threshold.
- Forgetting that nonresidents and part-year residents prorate the tax, as the department’s note says.
Related: how Wisconsin taxes retirement income, whether Wisconsin taxes pensions, whether Wisconsin taxes Social Security, and the federal 2026 tax brackets.
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Sources
- Wisconsin Department of Revenue, individual income tax FAQ: what are the individual income tax rates: https://www.revenue.wi.gov/Pages/FAQS/pcs-taxrates.aspx
- Wisconsin Department of Revenue (where later updates appear; no figure on this page comes from it): https://www.revenue.wi.gov/
Sources: the primary documents linked above, read on October 2, 2026. General information, not tax advice. Your own facts decide the outcome, and a preparer, the plan administrator or the agency itself is the right place to confirm anything consequential.