Summary
If you make $9,996 a year living in the region of Iowa, USA, you will be taxed $894. That means that your net pay will be $9,102 per year, or $758 per month. Your average tax rate is 9.0% and your marginal tax rate is 11.8%. 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 $11.78, hence, your net pay will only increase by $88.22.
Bonus Example
A $1,000 bonus will generate an extra $882 of net incomes. A $5,000 bonus will generate an extra $4,411 of net incomes.