$LevyIO

Margin Interest Deduction in Madison, WI 2026

Calculate your margin interest deduction tax savings in Madison, Wisconsin. With Wisconsin's 7.65% state tax rate, your combined savings are higher.

Wisconsin Tax Context

State Income Tax
7.65%
Local Income Tax
None
Property Tax Rate
1.78%
Tax Burden
Very High

State capital; University of Wisconsin; very high quality of life

$1,483
Est. Total Savings
No Limit
Max Deduction
Itemized
Deduction Type
29.6%
Combined Tax Rate

Margin Interest Deduction Savings Calculator for Madison

$
$

Federal Savings

$1,100

22% bracket

Wisconsin State

$383

7.65% rate

Local Tax

$0

0% rate

Total Savings

$1,483

29.6% combined

At a 29.6% combined tax rate in Madison, every $1,000 in deductions saves you $297 in taxes.

Savings by Tax Bracket in Madison

10%
$883
12%
$983
22%
$1,483
24%
$1,583
32%
$1,983
35%
$2,133
37%
$2,233

Includes 7.65% Wisconsin state tax on top of federal savings.

Eligibility Requirements

Investors who borrow on margin to purchase taxable investments

  • 1Must itemize deductions
  • 2Limited to net investment income
  • 3Cannot use for tax-exempt investments
  • 4Excess carries forward to future years

Wisconsin residents should verify that this deduction is also recognized on their state tax return for additional savings of up to 7.65%.

Common Mistakes to Avoid

  • !Deducting margin interest for tax-exempt bond purchases
  • !Not tracking carryforward of excess interest
  • !Forgetting to elect to treat capital gains as investment income
  • !Forgetting to claim the deduction on your Wisconsin state return (missing 7.65% additional savings)

Required Tax Forms

Form 4952Schedule A

File these forms with your federal tax return to claim the margin interest deduction. Wisconsin may require additional state-specific forms.

Other Tax Deductions in Madison, WI

Capital Loss Deduction

Investment

~$890
est. savings

Tax-Loss Harvesting

Investment

~$6,739
est. savings

Investment Interest Expense

Investment

~$2,022
est. savings

Qualified Dividend Tax Rate

Investment

~$4,043
est. savings

Opportunity Zone Investment

Investment

~$13,477
est. savings

1031 Like-Kind Exchange

Investment

~$40,432
est. savings

QSBS Exclusion (Section 1202)

Investment

~$134,773
est. savings

Installment Sale

Investment

~$10,782
est. savings

Margin Interest Deduction in Other Wisconsin Cities

Milwaukee, WI

7.65% state tax

~$1,617
+134 vs Madison

Green Bay, WI

7.65% state tax

~$1,617
+134 vs Madison

Kenosha, WI

7.65% state tax

~$1,617
+134 vs Madison

Racine, WI

7.65% state tax

~$1,617
+134 vs Madison

Appleton, WI

7.65% state tax

~$1,617
+134 vs Madison

Waukesha, WI

7.65% state tax

~$1,617
+134 vs Madison

Eau Claire, WI

7.65% state tax

~$1,617
+134 vs Madison

Oshkosh, WI

7.65% state tax

~$1,617
+134 vs Madison

Calculate Your Full Tax Savings in Madison

Use our free tax calculators to optimize your entire tax return for Wisconsin.

Income Tax CalculatorTaxes in MadisonFull Margin Interest Deduction Guide

Frequently Asked Questions

How much can I save with the Margin Interest Deduction in Madison, WI?

In Madison, Wisconsin, the margin interest deduction can save you an estimated $1,483 per year. This includes $1,100 in federal tax savings and $383 in Wisconsin state tax savings. The national average savings is $1,200/year.

What is the Wisconsin state income tax rate for Madison residents?

Wisconsin has a 7.65% state income tax rate. Madison residents have no additional local income tax. State capital; University of Wisconsin; very high quality of life

Who qualifies for the Margin Interest Deduction in Madison?

Investors who borrow on margin to purchase taxable investments. The eligibility requirements are the same whether you live in Madison or elsewhere in the U.S., as this is a federal tax deduction. However, your savings amount will vary based on Wisconsin's 7.65% state tax rate.

What tax forms do I need to claim the Margin Interest Deduction in Wisconsin?

To claim the margin interest deduction, you need to file Form 4952 and Schedule A with your federal return. Wisconsin residents should also check if the state allows this deduction on their state return, which could provide an additional 7.65% savings. Filing status affects your deduction limits and tax bracket.

Is the Margin Interest Deduction better in Madison than in states without income tax?

Yes, Madison residents benefit more because Wisconsin's 7.65% state income tax means the deduction reduces both your federal AND state tax liability. In states with no income tax (like Texas, Florida, or Nevada), this deduction only reduces federal taxes. Your combined rate of 29.6% means more savings per dollar deducted.

Related Calculators

Capital Loss Deduction in Madison

Avg savings: $660/year

Tax-Loss Harvesting in Madison

Avg savings: $5,000/year

Investment Interest Expense in Madison

Avg savings: $1,500/year

Qualified Dividend Tax Rate in Madison

Avg savings: $3,000/year

Opportunity Zone Investment in Madison

Avg savings: $10,000/year

1031 Like-Kind Exchange in Madison

Avg savings: $30,000/year