Wisconsin will tax you on all your worldwide income if you are domiciled in the state, even though you may not be a resident there.

How much money do you need to make to file taxes in WI?

You are required to file a Wisconsin income tax return if your Wisconsin gross income is $2,000 or more. Gross income means income before deducting expenses. While net income reported to you may be less than $2,000, gross income may be over that amount, requiring that a Wisconsin income tax return be filed.

Can a nonresident alien be a US citizen?

A nonresident alien who is married to a U.S. citizen or resident alien at the end of the tax year and makes a joint election with his or her spouse to be treated as a U.S. resident for the entire tax year; (also read Tax Effect of Nonresident Alien Spouse Chosen As Tax Resident of US !)

What happens to your taxes if you are a non-resident alien?

Tax Implications. If you are a resident alien, your U.S. tax obligations are much the same as those of a U.S. citizen. You must report all your worldwide income to the IRS, even if you remain outside the United States for an entire year. If you’re a non-resident alien, your tax obligation to the U.S. government is reduced.

Do you have to file a Wisconsin tax return if you are a nonresident?

If you are a nonresident or part-year resident of Wisconsin and your Wisconsin gross income (or the combined gross income of you and your spouse) is $2,000 or more, you must file a Form 1NPR, Nonresident and Part-Year Resident Income Tax Return. The Form 1NPR and instructions can be downloaded from our website​.

How is a LLC treated as a nonresident alien?

If you have a single-member LLC, the LLC is treated as a disregarded entity for tax purposes unless a corporate election is made. That means if you are a nonresident alien individual, you report the business or rental activity of the LLC on Form 1040NR (U.S. Nonresident Alien Income Tax Return). There is only a single level of taxation.