Summary
If you make $5,500 a year living in the region of Maryland, USA, you will be taxed $606. That means that your net pay will be $4,894 per year, or $408 per month. Your average tax rate is 11.0% and your marginal tax rate is 12.4%. This marginal tax rate means that your immediate additional income will be taxed at this rate. For instance, an increase of $100 in your salary will be taxed $12.40, hence, your net pay will only increase by $87.60.
Bonus Example
A $1,000 bonus will generate an extra $876 of net incomes. A $5,000 bonus will generate an extra $4,380 of net incomes.