How to Use This Calculator
Enter your income, filing status, and any deductions. The calculator computes your District of Columbia state income tax alongside your federal tax, showing exactly how much goes to each and what you take home.
The most useful thing to try? Compare different income levels to see how District of Columbia's brackets affect your tax bill, then look at how combined federal + state taxes shape your total take-home pay.
Here's what each field means:
Annual Income is your total earnings before any taxes. Include wages, freelance income, investment income, and any other sources.
Filing Status determines which set of tax brackets and deductions apply. District of Columbia uses filing statuses similar to the federal system — single, married filing jointly, married filing separately, and head of household.
District of Columbia Income Tax: What You Need to Know
District of Columbia uses a progressive income tax system with rates ranging from 4% to 10.75%. Like the federal system, this means your income is taxed in layers — each bracket only applies to the income within that range, not your entire income.
District of Columbia Tax Brackets (Single Filers)
| Taxable Income | Tax Rate |
|---|---|
| $0 - $10,000 | 4% |
| $10,000 - $40,000 | 6% |
| $40,000 - $60,000 | 6.5% |
| $60,000 - $250,000 | 8.5% |
| $250,000 - $500,000 | 9.25% |
| $500,000 - $1,000,000 | 9.75% |
| $1,000,000+ | 10.75% |
A Real Example
Let's say you're a single filer earning $90,000 in District of Columbia. After applying the standard deduction of $14,600, your income flows through each bracket:
Your approximate District of Columbia state income tax would be around $5,350, for an effective state tax rate of about 5.9%.
Remember, this is just the state portion. You'll also owe federal income tax and FICA taxes on top of this.
Deductions and Exemptions
Standard Deduction: District of Columbia offers a standard deduction of $14,600 for single filers and $29,200 for married couples filing jointly.
D.C. conforms to the federal standard deduction. Additional credits include a generous EITC, property tax credits for low-income seniors, and a Schedule H credit for renters.
Local Taxes
D.C. is its own jurisdiction — there are no additional local taxes beyond the District's own income tax.
What's Unique About District of Columbia
D.C. has some of the highest income tax rates in the country, with a top rate of 10.75% on income over $1 million. The rates are especially steep for upper-middle-income earners, with the 8.5% bracket starting at just $60,000. However, D.C. residents don't pay state tax to any other state, and the District conforms to the federal standard deduction. D.C. also has a generous Earned Income Tax Credit worth 70% of the federal credit.
Recent Changes
D.C. added higher brackets for millionaires in recent years and has been expanding its EITC and renter credits.
How to Use This Calculator Strategically
Model a raise or job change. See how additional income moves through District of Columbia's brackets and affects your effective tax rate.
Compare filing statuses. If you're married, run the numbers both jointly and separately. The better option depends on your specific income situation.
Plan your deductions. Test how maximizing retirement contributions or other deductions affects your District of Columbia tax bill.
Evaluate a move. Compare District of Columbia's rates to other states you're considering. The difference in take-home pay might surprise you.
References
- District of Columbia Office of Tax and Revenue. (2025). Individual Income Tax.
This calculator is for educational purposes only and does not constitute tax or financial advice. Tax rates, brackets, and rules change regularly. Consult a qualified tax professional for guidance specific to your situation.