Delaware

State Income Tax

2.2–6.6%

Rate Range

Exempt

Social Security

2026-04-30

Filing Deadline

6 brackets

Structure

Full Tax Details

Has Income TaxYes

Tax Structure6 Brackets

Rate2.2–6.6%

Single Standard Deduction$3,250

Married Standard Deduction$6,500

Single Personal Exemption$110

Married Personal Exemption$220

Taxes Social SecurityExempt

Taxes Retirement IncomeYes

Filing Deadline2026-04-30

Retirement Income Details

Social Security exempt; up to $12,500 exclusion for pension/retirement for age 60+.

Official Payment Portal

Delaware Department of Revenue

Last verified: 2026-03-31 · Always consult a tax professional before making financial decisions.