The initial reduction from 6.84 to 6.64 percent occurred on January 1, 2023. (t) In addition to the personal income tax rates, Delaware imposes a tax on lump-sum distributions. ma income tax rate If you earn money in Massachusetts, your employer will withhold state income taxes from your earnings, regardless of whether or not you are a Massachusetts resident. Most refunds are claimed on an original return and will be issued automatically by the Department. For e-filed returns the turnaround time is about 6 weeks;
