Summary
If you make $143,666 a year living in the region of Maine, USA, you will be taxed $45,800. That means that your net pay will be $97,866 per year, or $8,156 per month. Your average tax rate is 31.9% and your marginal tax rate is 37.9%. 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 $37.90, hence, your net pay will only increase by $62.10.
Bonus Example
A $1,000 bonus will generate an extra $621 of net incomes. A $5,000 bonus will generate an extra $3,105 of net incomes.