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Maryland Tax Calculator

Calculate Maryland state and local county income tax liabilities using standard deductions and progressive brackets.

David Miller, CPA
Formula Verified & Maintained by:David Miller, CPA

CPA, M.S. Finance (NYU Stern)Lead Financial Analyst & Tax Technology Editor

Peer-Reviewed Algorithm

Interactive Calculator

1. Provide Details

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2. Output Results

Maryland Taxable Income57450.00 $
Estimated MD State Tax2576.38 $
County Tax (3.00%)1723.50 $
Total Maryland Tax Liability4299.88 $

How to Calculate: Formula & Steps

Subtracts Maryland standard deduction (capped at $2,550 single / $5,100 married), calculates progressive state tax, and adds local county tax.

Formula Used:Taxable Income = Gross - Deduction; Apply Progressive Brackets + County Rate (2.25% - 3.2%)

Step-by-Step Calculation Example

A single taxpayer earning $60,000 deducts $2,550. Taxable income of $57,450 falls into progressive brackets (2.0% to 4.75%) totaling $2,624. Adding a 3.0% county tax ($1,800) yields a total tax of $4,424.


Common Mistakes to Avoid

  • Failing to add the county tax rate to the state tax rate, which significantly underestimates the total tax liability.

Practical Use Cases

  • Estimating state tax liability
  • Quarterly tax planning for Maryland residents

Expert Tips

  • Check if your county offers local tax credits or homestead credits to reduce your taxable income base.

Maryland State & County Income Tax: Progressive Brackets & Piggyback Rates

Maryland tax liabilities consist of two mandatory components: the State Progressive Income Tax (ranging from 2.00% to 5.75%) plus a mandatory Local County Piggyback Income Tax (ranging from 2.25% to 3.20% depending on your county of residence).

The Maryland Total Tax Liability Formula

Maryland Taxable Income = Gross Income - Standard Deduction (15% of gross, capped at $2,550 single / $5,100 married)

Total Maryland Tax = State Progressive Tax + (Taxable Income × County Piggyback Rate %)

Maryland County Piggyback Tax Rates Reference

County / JurisdictionLocal County Tax RateTop Combined State + County Rate
Montgomery County3.20% (Maximum)8.95%
Prince George's / Baltimore City3.20%8.95%
Anne Arundel County2.81%8.56%
Talbot County / Worcester2.40% / 2.25%8.00%

Disclaimer

This calculation tool is provided for educational and informational estimation purposes only. Results are based on mathematical formulas and user-supplied parameters. They do not constitute formal underwriting, financial, tax, engineering, or legal determinations.

Frequently Asked Questions About Maryland Tax Calculator

What is Maryland's state tax rate?
Maryland uses a progressive state tax system with rates ranging from 2.0% to 5.75% depending on income brackets.
What is Maryland's county income tax?
Every county in Maryland (and Baltimore City) levies a local income tax. Rates are flat and range from 2.25% to 3.20% of your taxable income.