Summary
If you make $171,450 a year living in the region of Arizona, USA, you will be taxed $48,105. That means that your net pay will be $123,345 per year, or $10,279 per month. Your average tax rate is 28.1% and your marginal tax rate is 28.2%. 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 $28.15, hence, your net pay will only increase by $71.85.
Bonus Example
A $1,000 bonus will generate an extra $719 of net incomes. A $5,000 bonus will generate an extra $3,593 of net incomes.