State Taxes
If you're one of the unlucky ones, your state is listed in this first set of states. That means your state collects state income tax. You may or may not need to actually file with your state, but to be sure click your state's link below and find out. The links lead to your state Revenue Department, state income tax forms (and publications) as well as link to discover your online state tax filing options.
States with State Income Tax
If you live in one of these states, you have no state income tax (chances are the state extracts your money in a variety of other clever ways).