Summary
If you make $21,432 a year living in the region of Idaho, USA, you will be taxed $2,788. That means that your net pay will be $18,644 per year, or $1,554 per month. Your average tax rate is 13.0% and your marginal tax rate is 24.0%. 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 $23.98, hence, your net pay will only increase by $76.02.
Bonus Example
A $1,000 bonus will generate an extra $760 of net incomes. A $5,000 bonus will generate an extra $3,801 of net incomes.