Calculation of Wisconsin Income Tax
Tables For Tax Year 2012

  1. Single, Head of Household, or Fiduciaries
  1. Wisconsin taxable income under $100,000:
  1. Determine midpoint of $100 brackets with the following exceptions:
  1. Apply the following rates to that midpoint:

Taxable Income

At
Least
But
Less Than
Tax Computation
$ 0 $   10,570 4.60% of excess over $0
$  10,570 $   21,130 $486.22 plus 6.15% of excess over $10,570
$  21,130 $ 100,000 $1,135.66 plus 6.50% of excess over $21,130
  1. Wisconsin taxable income of $100,000 or over, apply the following rates:

Taxable Income

At
Least
But
Less Than
Tax Computation
$ 100,000 $ 158,500 $6,262.21 plus 6.50% of excess over $100,000
$ 158,500 $ 232,660 $10,064.71 plus 6.75% of excess over $158,500
$ 232,660 or over $15,070.51 plus 7.75% of excess over $232,660
  1. Married Filing Jointly
  1. Wisconsin taxable income under $100,000:
  1. Determine midpoint of $100 brackets with the following exceptions:
  1. Apply the following rates to that midpoint:

Taxable Income

At
Least
But
Less Than
Tax Computation
$ 0 $   14,090 4.60% of excess over $0
$ 14,090 $   28,180 $648.14 plus 6.15% of excess over $14,090
$ 28,180 $ 100,000 $1,514.68 plus 6.50% of excess over $28,180
  1. Wisconsin taxable income of $100,000 or over, apply the following rates:

Taxable Income

At
Least
But
Less Than
Tax Computation
$ 100,000 $ 211,330 $6,182.98 plus 6.50% of excess over $100,000
$ 211,330 $ 310,210 $13,419.43 plus 6.75% of excess over $211,330
$ 310,210 or over $20,093.83 plus 7.75% of excess over $310,210
  1. Married Filing Separately
  1. Wisconsin taxable income under $100,000:
  1. Determine midpoint of $100 brackets with the following exceptions:
  1. Apply the following rates to that midpoint:

Taxable Income

At
Least
But
Less Than
Tax Computation
$ 0 $    7,040 4.60% of excess over $0
$   7,040 $   14,090 $323.84 plus 6.15% of excess over $7,040
$ 14,090 $ 100,000 $757.42 plus 6.50% of excess over $14,090
  1. Wisconsin taxable income of $100,000 or over, apply the following rates:

Taxable Income

At
Least
But
Less Than
Tax Computation
$ 100,000 $ 105,660 $6,341.57 plus 6.50% of excess over $100,000
$ 105,660 $ 155,110 $6,709.47 plus 6.75% of excess over $105,660
$ 155,110 or over $10,047.34 plus 7.75% of excess over $155,110

Calculation of Wisconsin Standard Deduction Tables
For Tax Year 2012

  1. Single
  1. Wisconsin income under $108,637:
  1. Determine midpoint of $500 brackets with the following exceptions:
  1. Determine the standard deduction for that midpoint as follows:

Wisconsin Income

At
Least
But
Less Than
Standard Deduction
$ 0 $ 14,070 $9,760
$ 14,070 $ 95,403 $9,760 less 12% of excess over $14,070
$ 95,403 or over $0
  1. For Wisconsin income of $108,637 or over, the standard deduction is $0. (Note: The standard deduction table continues to $108,637 even though the standard deduction is $0 for single persons beginning with the $95,500 - $96,000 bracket.)
  1. Married Filing Jointly
  1. Wisconsin income under $108,637:
  1. Determine midpoint of $500 brackets with the following exceptions:
  1. Determine the standard deduction for that midpoint as follows:

Wisconsin Income

At
Least
But
Less Than
Standard Deduction
$ 0 $  19,750 $17,580
$  19,750 $ 108,637 $17,580 less 19.778% of excess over $19,750
$ 108,637 or over $0
  1. For Wisconsin income of $108,637 or over, the standard deduction is $0.
  1. Married Filing Separately
  1. Wisconsin income under $108,637:
  1. Determine midpoint of $500 brackets with the following exceptions:
  1. Determine the standard deduction for that midpoint as follows:

Wisconsin Income

At
Least
But
Less Than
Standard Deduction
$ 0 $   9,380 $8,350
$  9,380 $ 51,599 $8,350 less 19.778% of excess over $9,380
$ 51,599 or over   $0
  1. For Wisconsin income of $108,637 or over, the standard deduction is $0. (Note: The standard deduction table continues to $108,637 even though the standard deduction is $0 for married persons filing separately beginning with the $51,500 - $52,000 bracket.)
  1. Head of Household
  1. Wisconsin income under $108,637:
  1. Determine midpoint of $500 brackets with the following exceptions:
  1. Determine the standard deduction for that midpoint as follows:

Wisconsin Income

At
Least
But
Less Than
Standard Deduction
$ 0 $ 14,070 $12,610
$ 14,070 $ 41,175 $12,610 less 22.515% of excess over $14,070
$ 41,175 $ 95,403 $9,760 less 12% of excess over $14,070
$ 95,403 or over $0
  1. For Wisconsin income of $108,637 or over, the standard deduction is $0. (Note: The standard deduction table continues to $108,637 even though the standard deduction is $0 for head of household beginning with the $95,500 - $96,000 bracket.)

Calculation of Wisconsin School Property Tax Credit Tables
For Tax Year 2012

Note: These tables have not changed from the 2011 version.

  1. Homeowner's School Property Tax Credit Table
  1. Property tax paid of less than $2,500:
  1. Determine midpoint of $25 brackets ($1 - $25 of property tax paid in first bracket has a credit of $2).
  2. Multiply the midpoint by 0.12.
  1. For property tax paid of $2,500 or more, the credit is $300.
  1. Renter's School Property Tax Credit Table
  1. If heat included in rent:
  1. Determine midpoint of $100 brackets ($1 - $100 of rent paid in first bracket has a credit of $1).
  2. Multiply the midpoint by 0.024.
  3. For rent paid of $12,500 or more, the credit is $300.
  1. If heat not included in rent:
  1. Determine midpoint of $100 brackets ($1 - $100 of rent paid in first bracket has a credit of $2).
  2. Multiply the midpoint by 0.03.
  3. For rent paid of $10,000 or more, the credit is $300.

Calculation of Wisconsin Homestead Credit Tables A and B
For Tax Year 2012

Note: These tables have not changed from the 2011 version.

  1. Table A
  1. Determine midpoint of $115 brackets with the following exceptions:
  1. Determine the Table A amount for that midpoint as follows:
    [Midpoint - $8,060] X .0878459
  1. Table B
  1. Determine the midpoint of $10 brackets with the following exceptions:
  1. Determine the Table B amount for that midpoint by multiplying the midpoint by 80% (.80).

Page last updated July 6, 2012