Summary
If you make $18,623 a year living in the region of Idaho, USA, you will be taxed $2,140. That means that your net pay will be $16,483 per year, or $1,374 per month. Your average tax rate is 11.5% and your marginal tax rate is 22.2%. 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 $22.15, hence, your net pay will only increase by $77.85.
Bonus Example
A $1,000 bonus will generate an extra $779 of net incomes. A $5,000 bonus will generate an extra $3,893 of net incomes.