Summary
If you make $12,000 a year living in the region of Maine, USA, you will be taxed $1,028. That means that your net pay will be $10,972 per year, or $914 per month. Your average tax rate is 8.6% and your marginal tax rate is 14.0%. 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 $13.95, hence, your net pay will only increase by $86.05.
Bonus Example
A $1,000 bonus will generate an extra $861 of net incomes. A $5,000 bonus will generate an extra $4,303 of net incomes.