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Understanding Personal Income Tax in Wisconsin

Filed under State Taxes. Fact checked on February 13, 2013.

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Wisconsin's personal income tax is discussed.

If you are a resident or nonresident of Wisconsin and receive taxable income individually from property owned or business transacted in Wisconsin, you are subject to tax on net income. Therefore, if you are operating your business as an S corporation, partnership, limited liability company, or sole proprietorship, you will be subject to a personal income tax on your business income that passes through to you.

For single taxpayers and taxpayers qualified to file as head of household with taxable income:

Over but not over 2012 tax is of the amount over
$0 $10,570 4.60% $0
$10,570 $21,130 $486.22 + 6.15% $10,570
$21,130 $158,500 $1,135.66 + 6.50% $21,130
$158,500 $232,660 $10,064.71 + 6.75% $158,500
$232,660   $15,070.51 + 7.75% $232,660

For married taxpayers filing a joint return with taxable income:

Over but not over 2012 tax is of the amount over
$0 $14,090 4.60% $0
$14,090 $28,180 $648.14 + 6.15% $14,090
$28,180 $211,330 $1,514.68 + 6.50% $28,180
$211,330 $310,210 $13,419.43 + 6.75% $211,330
$310,210   $20,093.83 + 7.75% $310,210

For married taxpayers filing separate returns with taxable income:

Over but not over 2012 tax is of the amount over
$0 $7,040 4.60% $0
$7,040 $14,090 $323.84 + 6.15% $7,040
$14,090 $105,660 $757.42 + 6.50% $14,090
$105,660 $155,110 $6,709.47 + 6.75% $105,660
$155,110   $10,047.34 + 7.75% $155,110

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