Summary
If you make $15,458 a year living in the region of Iowa, USA, you will be taxed $1,779. That means that your net pay will be $13,679 per year, or $1,140 per month. Your average tax rate is 11.5% and your marginal tax rate is 21.4%. 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 $21.38, hence, your net pay will only increase by $78.62.
Bonus Example
A $1,000 bonus will generate an extra $786 of net incomes. A $5,000 bonus will generate an extra $3,931 of net incomes.