Actual and proposed corporate and personal income tax rates. The Governor's plan would halt the corporate income tax reduction at 2.5 percent and would create a two-tiered personal income tax rate. Those with incomes above $200K/$100K (MFJ/single) would pay 4.75 percent while those with incomes below that would pay 4.6 percent in 2024 and 4.5 percent in 2025.