Summary
If you make $99,977 a year living in the region of Idaho, USA, you will be taxed $27,401. That means that your net pay will be $72,576 per year, or $6,048 per month. Your average tax rate is 27.4% and your marginal tax rate is 36.9%. 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 $36.88, hence, your net pay will only increase by $63.12.
Bonus Example
A $1,000 bonus will generate an extra $631 of net incomes. A $5,000 bonus will generate an extra $3,156 of net incomes.