You might be surprised which states have the highest and lowest "effective" tax rates, a metric that measures how much of ...

A bill to institute a state income tax (SB 6346) has been on Gov. Bob Ferguson's desk for five days, and he's expected to sign it but opponents are gearing up for legal challenges once he does.

It would be the first income tax in Washington, affecting an estimated 20,000 households. Some of the wealthiest are leaving for Florida.

In a 51 to 46 vote with four Democrats dissenting, the bill now has a clear path to the governor’s desk. If signed into law, it would become the first income tax for the state of Washington.

Some states give multiple tax breaks to retirees. Nine states have no income tax, including Washington, which only taxes high earners' capital gains.

Washington has moved a step closer to enacting a so-called "millionaire's tax ' after the measure was approved by the state House after a more than 24-hour debate.

A plan to eventually eliminate Missouri's income tax moved forward Thursday with approval from House lawmakers. The House voted 98-54 to pass the resolution. It now goes to the Senate, where ...