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District of Columbia Bonus Tax Calculator

Estimate take-home pay on a bonus, using the federal flat-rate supplemental withholding method

Estimate only — not tax advice. Federal tax on the bonus uses the flat 22% supplemental withholding rate (37% on cumulative supplemental wages over $1,000,000/year) — the alternative "aggregate method" some employers use instead is not modeled. FICA and any state SDI/PFL are computed as the difference between your regular income with and without the bonus added, so the Social Security wage cap applies correctly. State tax on the bonus is a marginal-bracket estimate, not necessarily any special state supplemental rate. See methodology below for source and last-verified date.

How Bonuses Are Taxed in District of Columbia (2026)

A bonus paid on a separate check in District of Columbia has a flat 22% federal tax withheld (37% on cumulative supplemental wages over $1,000,000 in a year), 7.65% FICA, and District of Columbia state income tax at your marginal rate. Withholding is not a higher tax rate — it is just how much your employer holds back up front; your actual tax on the bonus is settled when you file, and any over-withholding comes back as refund.

ComponentRate on the bonus
Federal income tax (supplemental, percentage method)22% flat  ·  37% above $1,000,000/yr
Social Security6.2% (up to $184,500 of total wages)
Medicare1.45%  ·  +0.9% above $200,000
District of Columbia state taxYour marginal bracket rate

Some employers instead use the aggregate method — adding the bonus to your regular paycheck and withholding as if that were every check — which can withhold more or less than the flat 22%. The calculator above uses the flat-rate (percentage) method.

District of Columbia Bonus Take-Home by Amount (2026)

Flat-rate (percentage) method, single filer, bonus paid separately on top of a $65,000 salary. Enter your own numbers in the calculator above — this table is a starting point.

BonusFederal (22%)FICADistrict of Columbia taxTake-home
$1,000$220$77$65$639
$2,500$550$191$163$1,596
$5,000$1,100$383$325$3,193
$10,000$2,200$765$650$6,385
$15,000$3,300$1,148$1,061$9,492
$25,000$5,500$1,913$1,911$15,677

How District of Columbia Paycheck Tax Is Calculated (2026)

Source: DC Office of Tax and Revenue
Taxable income bracketRate
$0 – $10,0004%
$10,000 – $40,0006%
$40,000 – $60,0006.50%
$60,000 – $250,0008.50%
$250,000 – $500,0009.25%
$500,000 – $1,000,0009.75%
$1,000,000 – +10.75%

Standard deduction (single): $15,700, subtracted from gross income before applying brackets.

state_tax = marginal_bracket_tax(gross_income - 15700, brackets)

Federal Tax & FICA (shared across all states)

Filing statusStandard deduction
Single$16,100
Married Filing Jointly$32,200
Head of Household$24,150
Federal brackets (all filing statuses)10% / 12% / 22% / 24% / 32% / 35% / 37%
Social Security6.2% up to $184,500 wage base
Medicare1.45% on all wages, +0.9% above $200,000 single/HoH, $250,000 MFJ

⚠️ District of Columbia's married-filing-jointly and head-of-household state brackets have not yet been independently verified against the primary source above — this calculator uses District of Columbia's single-filer brackets as an estimate when those statuses are selected.

Guideline version 2026-DC-v2 · Last verified 2026-08-19

District of Columbia Bonus Tax FAQ

What are District of Columbia's income tax brackets for 2026?

District of Columbia uses 6 marginal brackets ranging from 4% to 10.75%. Standard deduction: $15,700 for single filers.

How much is take-home pay on $65,000 in District of Columbia?

On a $65,000 gross salary, a single filer in District of Columbia takes home roughly $51,603/year (about $4,300.25/month) after federal tax, FICA, and state tax.

What deductions does District of Columbia apply before taxing my income?

District of Columbia applies a $15,700 standard deduction, before its marginal bracket schedule. See the "How District of Columbia Paycheck Tax Is Calculated" section above for the exact formula.

Does this estimate change if I'm married or have dependents?

This calculator uses single-filer figures only (v1 scope). Married filing jointly typically uses different federal and District of Columbia state brackets and a larger standard deduction — your actual take-home pay will differ. Dependents can also reduce federal withholding via the W-4. Check DC Office of Tax and Revenue's married-filing-jointly tables for a precise figure.

Methodology & Source

District of Columbia state tax figures sourced from DC Office of Tax and Revenue (https://otr.cfo.dc.gov/), citing D.C. Code § 47-1806.03 — 7 brackets: 4/6/6.5/8.5/9.25/9.75/10.75%. Federal brackets, standard deductions (single/MFJ/HoH), and FICA constants sourced from the IRS (Revenue Procedure 2025-32; married-filing-jointly Additional Medicare threshold of $250,000 is a separate, unindexed statutory figure). District of Columbia's married-filing-jointly and head-of-household figures are not yet independently verified and currently fall back to single-filer brackets — see the caveat in the formula section above.

Bonus federal withholding uses the flat supplemental-wage rate (22%, 37% above $1,000,000 cumulative supplemental wages/year), per IRS Publication 15 (Circular E), Employer's Tax Guide, 2026 edition — the alternative "aggregate method" is not modeled. District of Columbia publishes no separate supplemental withholding rate, so the calculator estimates the state tax on the bonus from your marginal bracket.

This is an estimate based on standard single-filer federal, FICA, and DC state calculations. Actual withholding may differ based on your W-4 elections, pre-tax deductions, and other factors.

Guideline version: 2026-DC-v2 · Effective: 2026-01-01 · Last verified: 2026-08-19