Summary
If you make $64,280 a year living in the region of Maine, USA, you will be taxed $15,267. That means that your net pay will be $49,013 per year, or $4,084 per month. Your average tax rate is 23.8% and your marginal tax rate is 36.4%. 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 $36.43, hence, your net pay will only increase by $63.57.
Bonus Example
A $1,000 bonus will generate an extra $636 of net incomes. A $5,000 bonus will generate an extra $3,179 of net incomes.