Delaware personal income tax rates for 2025 (AS OF THE LATEST UPDATE):

Individual income tax rates are divided into tiers based on income level. The marginal tax rates for 2025 are as follows: 

• 2.2% on income from $2,000 to $4,999.

• 3.9% on income from $5,000 to $9,999.

• 4.8% on income from $10,000 to $19,999.

• 5.2% on income from $20,000 to $24,999.

• 5.55% on income from $25,000 to $59,999.

• 6.6% on income over $60,000.