District of Columbia state taxes on your paycheck
District of Columbia uses a flat income tax rate of 3.89% on taxable wages, applied after federal calculations. Combined with FICA deductions, your District of Columbia paycheck is straightforward to estimate.
Federal deductions every District of Columbia worker pays
Regardless of state, the federal layer is identical nationwide: 2026 brackets from 10% to 37%, standard deduction of $16,100 (single), $32,200 (married filing jointly), or $24,150 (head of household), Social Security at 6.2% up to $184,500 in wages, and Medicare at 1.45% with an additional 0.9% above $200K.
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