You search for an RSU tax rate in Wisconsin — Milwaukee, Madison, remote for a WI employer — and want effective tax on vest FMV including WI state tax plus federal and FICA.
Start here
What you need before using this
- WI residency for year.
- confirmation and WI on pay stub.
- WI wage boxes.
- Wisconsin DOR rate guidance for filing year.
- tax calculator with Wisconsin selected.
Wisconsin tax rates follow Wisconsin Department of Revenue guidance for the filing year.
Why this happens
WI treats equity compensation at as taxable wages.
Progressive WI state rates apply to taxable income including .
Federal progressive tax applies separately on .
FICA applies nationwide on wages.
WI supplemental on equity may use flat methods that under- vs stacked .
Moving from WI to no-tax state mid-year triggers part-year WI return.
Moving from IL to WI changes state layer on post-move vests — reciprocal rules may affect commuters.
Remote WI resident for out-of-state employer still typically WI taxes wages.
Estimated federal and WI tax may be needed when falls short.
tax rate Wisconsin searches often mean combined WI federal FICA planning.
Compare to Illinois and Minnesota rate guides for Midwest moves.
Stock options and same WI wage treatment when WI-sourced.
Boxes 16–17 include in WI wages when WI payroll applies.
Legislative changes — confirm rates for filing year.
gap often shows up at federal layer even when WI state looks reasonable.
What to check
- WI state on pay stub.
- WI wage and tax boxes.
- Federal Box 1 and .
- WI with total income for filing year.
- Federal gap vs .
- Move date if part-year WI.
- Calculator output vs pay stub.
- Wisconsin DOR pub for current year.
Using a single Wisconsin percentage from an old blog for RSU planning
What to check in your documents
- WI pay stub.
- WI boxes.
- confirmation.
- WI estimated tax if made.
- Move docs if part-year.
Milwaukee employee with $26,000 quarterly vest
Illustration only, not your tax situation.
Questions people ask
- What is the RSU tax rate in Wisconsin?
- No flat rate — WI progressive state tax plus federal plus FICA on , based on total income.
- Are RSUs taxed in Wisconsin?
- Yes for typical WI residents on WI-sourced wages.
- Wisconsin vs Texas RSU tax rate?
- Wisconsin taxes wages. Texas has no state wage income tax for typical residents.
- WI RSU supplemental withholding?
- Employers may use WI supplemental methods on equity — may not match final .
- Moved from Wisconsin to Florida?
- WI may tax pre-move connected income. Post-move FL vests avoid FL state income tax for typical residents.
- Remote worker in Wisconsin RSU tax?
- WI resident generally owes WI tax on wages.
- Which calculator for WI RSU?
- tax calculator with Wisconsin selected and gap calculator.
- W-2 WI boxes for RSU?
- State wage and tax boxes reflect when WI payroll applies.
- FICA on Wisconsin RSU vest?
- Federal FICA on until wage base cap.
- Related guides?
- Wisconsin tax guide, Illinois rate guide, moving states overview, effective tax rate.
When to get help from a tax pro
- Part-year WI resident with large equity income.
- WI-IL border commuter with conflicting state boxes.
- Employer withheld wrong state on WI resident .
- Multi-state remote work allocation.
Related calculators
- RSU Tax Calculator
Model federal and state taxes on your RSU vest, compare withholding to estimated tax, and see what you may keep.
- RSU Withholding Gap Calculator
Focus on the gap between what your employer withholds on RSU vests and what you may owe when everything is reconciled.
- RSU State Tax Comparison Calculator
Run the same RSU vest through different state assumptions to see how location may change estimated tax.
Related pages
- Wisconsin RSU Tax Guide
Wisconsin taxes RSU vest wages; IL border commuters and part-year moves need residency and credit review.
- RSU Tax Rate in Illinois
Illinois applies flat state income tax to RSU vest wages — federal marginal tax and FICA still apply on top.
- RSU Tax Rate in Michigan
Michigan applies state income tax to RSU vest wages — Detroit city tax may add a local layer; federal marginal tax and FICA still apply.
- RSU Taxes When Moving States
Moving mid-year can mean more than one state has a claim on part of your compensation — planning beats guessing.
- RSU Effective Tax Rate Explained
There is no flat RSU tax rate — effective tax on vest FMV includes federal, FICA, and state components that change with your total income.
Sources and notes
Primary tax claims on this page are supported by the official and secondary sources below. Broker and software links describe reporting mechanics — confirm rules against IRS or state guidance.
Wisconsin progressive income tax on vest wages; confirm current WI DOR rates.
- Wisconsin DOR — Individual Income Tax
Wisconsin Department of Revenue · Official
Wisconsin individual income tax overview and withholding guidance.
- IRS Publication 525 — Taxable and Nontaxable Income
Internal Revenue Service · Official
Covers compensation income from stock-based pay, including restricted property under section 83.
For learning, not filing
VestingTax.com is not a CPA firm or tax preparer. Grants, employers, and states all differ. Use the cited IRS and state sources above, your own documents, and a qualified tax professional before you make decisions from this guide.