Filing and paying Maryland income tax
- Return
- Form 502 for residents, due April 15. State and county tax are figured on the same return.
- Withholding
- Maryland uses Form MW507. If your federal AGI will be over $100,000 ($150,000 joint), reduce the exemptions you claim, since employers count each one as $3,200.
- Estimated payments
- Due April 15, June 15, and September 15, 2026, and January 15, 2027, covering both state and county tax.
To see how Maryland sits against every other state on top rate, bracket count and standard deduction, see state income tax rates for 2026 — all 51 jurisdictions in one sortable table.
How Maryland Income Tax Compares to Neighboring States
Total income tax (federal + state) on a $100,000 annual salary in 2026, single filer using the standard deduction:
| State | State Tax | Total Income Tax | vs. Maryland |
|---|---|---|---|
| Maryland (here) | $4,386 | $17,556 | — |
| Delaware | $5,259 | $18,429 | +$873 |
| Pennsylvania | $3,070 | $16,240 | -$1,316 |
| Virginia | $4,936 | $18,106 | +$550 |
| West Virginia | $3,691 | $16,861 | -$695 |
| Washington D.C. | $5,625 | $18,795 | +$1,239 |
A negative "vs." figure means that state collects less total income tax than Maryland. Federal portion is identical across states; only state tax varies.
Frequently Asked Questions
What is the Maryland state income tax rate for 2026?
Maryland state income tax for 2026 ranges from 2% on the lowest bracket to 6.5% on income above $1,000,000 (single filer). Most earners stay below the top bracket; the top rate applies only to high earners.
How much income tax will I pay in Maryland on a $100,000 salary?
For a single filer earning $100,000 in Maryland in 2026, expect approximately $13,170 in federal income tax and $4,386 in Maryland state income tax — for a total income tax of about $17,556, an effective rate of 17.6%. This excludes FICA (Social Security and Medicare), which adds roughly 7.65% on top.
What is the county income tax rate in Maryland for 2026?
Between 2.25% (Worcester) and 3.3% (Dorchester and Kent). Most counties and Baltimore City charge 3.2%. Anne Arundel and Frederick use income-based rates.
What changed in Maryland income tax in 2025?
New brackets of 6.25% and 6.5% for incomes over $500,000 and $1 million ($600,000 and $1.2 million joint), a flat standard deduction of $3,350 ($6,700 joint), a limit on itemized deductions above $200,000 of income, and a 2% surcharge on capital gains when federal AGI is over $350,000.
Which county tax do I pay if I move within Maryland?
The county you lived in on the last day of the tax year, for the whole year. If you and your spouse lived in different counties, the Comptroller suggests filing separate Maryland returns.
How much is Maryland tax on $100,000?
For a single filer in 2026, about $4,386 in state tax, plus about $2,990 in county tax at 3.2%.
For the preferential federal rates on long-term gains, see the Capital Gains Tax Calculator. For the federal brackets, standard deduction, and Social Security wage base that sit underneath this state calculation, see 2026 Tax Calculators. For a paycheck-level Maryland estimate that includes county tax, use the Maryland Paycheck Calculator.