Wisconsin tax forms & filing.

Things to know about filing in Wisconsin

• Wisconsin has reciprocity with Illinois, Indiana, Kentucky, and Michigan for wage income. Residents working in those states pay only Wisconsin tax on wages.
• Wisconsin is a community property state. Married couples filing separately split community income 50/50.
• Wisconsin offers a Married Couple Credit, a Working Families Credit, and the Wisconsin Earned Income Credit (a state-level supplement to the federal EITC) — three line items frequently missed in DIY software.
• Wisconsin partially excludes Social Security benefits (subject to income limits) and offers a retirement income subtraction for residents over a defined age threshold.

Wisconsin community property + Married Couple Credit

Wisconsin is one of nine community property states. Married Wisconsin residents filing separately must split community income 50/50 between the two returns — affecting divorce planning, pre-marital-property tracking, and inter-state domicile changes.

Beyond community property, Wisconsin offers a Married Couple Credit on Form 1 — designed to offset the 'marriage penalty' that progressive brackets create for dual-earner couples. The credit applies when both spouses have earned income and reduces total WI tax owed.

Wisconsin also offers a state-level Earned Income Credit (a percentage of the federal EITC) and a Working Families Credit — three line items frequently missed in DIY software. We confirm at intake.

Wisconsin retirement income — partial Social Security exclusion + age-based subtraction

Wisconsin partially excludes Social Security benefits from state income tax based on income level. Lower- and moderate-income WI retirees see most of their Social Security excluded; higher-income retirees see partial inclusion at the state level.

Wisconsin also offers a retirement income subtraction for residents over a defined age threshold meeting income limits. The subtraction covers qualifying pension, 401(k), and IRA income up to a per-taxpayer cap.

The combination — partial Social Security exclusion + age-based retirement subtraction — makes Wisconsin moderately retirement-friendly but with income-based phase-outs that complicate strategic planning. We work through the schedules at intake for every WI retiree.

Where's my refund?

The Wisconsin Department of Revenue runs the official refund-status tracker. You'll need your Social Security number, filing status, and exact refund amount (in some cases, the tax year and a return-amount input).

Check your Wisconsin refund status →

Multi-state considerations

If you lived or worked in more than one state during the tax year, you typically file a part-year resident return in each state. If you live in one state and work in another, you usually file as a resident where you live and as a nonresident in the work state — claiming a credit on the resident return for taxes paid to the work state. Reciprocity agreements between some neighboring states change this default; we map this out at intake.

Wisconsin-specific multi-state nuances are addressed in the quirks list above when they apply.

Get the current-year forms

State tax rates, brackets, and forms change every year. We point to the Wisconsin Department of Revenue as the authoritative source for current-year information. Form numbers above are stable; rates, deduction amounts, and credit limits are not — always verify before relying on a specific dollar amount.

Open the Wisconsin Department of Revenue website →