Maryland County Supplemental Tax Rate Calculator

Calculate Maryland county and Baltimore City income tax surcharge rates ranging from 2.25% to 3.2% on top of the 5.75% state rate, determining total marginal and effective rates by county of residence.

Principal ($)
Annual Rate (%)
Years
Compounding / Year
$ Finance Disclaimer: These calculators are for educational and illustrative purposes only. Results do not constitute financial advice. Consult a licensed financial advisor before making investment or borrowing decisions.
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How It Works

Calculate Maryland county and Baltimore City income tax surcharge rates ranging from 2.25% to 3.2% on top of the 5.75% state rate, determining total marginal and effective rates by county of residence

Each component has a specific meaning:

  • 2 — The 2 recorded for the scenario being assessed.

Note: Interpret the md county tax result against the thresholds and context described above.

How to Use

Enter the 2 for the scenario you are assessing. Calculate Maryland county and Baltimore City income tax surcharge rates ranging from 2.25% to 3.2% on top of the 5.75% state rate, determining total marginal and effective rates by county of residence. Use the md county tax result to inform your calculation.

Frequently Asked Questions