Summary
If you make $51,360 a year living in the region of Maine, USA, you will be taxed $10,907. That means that your net pay will be $40,453 per year, or $3,371 per month. Your average tax rate is 21.2% and your marginal tax rate is 26.9%. 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 $26.94, hence, your net pay will only increase by $73.06.
Bonus Example
A $1,000 bonus will generate an extra $731 of net incomes. A $5,000 bonus will generate an extra $3,653 of net incomes.