Should I file income tax with zero income?

If you have had no income at all then you do not have anything to enter on a tax return, and nothing to gain from doing so.

 

Who has to file?

http://www.irs.gov/uac/Do-I-Need-to-File-a-Tax-Return%3F

 

If you do not have income, then you aren't required to file a tax return.

 

Please read this TurboTax article for more information.

 

Each state has different rules.

 

Please read this TurboTax Help article for more information. Click on your state to see the filing requirements of that state.