Summary
If you make $583,960 a year living in the region of Arizona, USA, you will be taxed $211,202. That means that your net pay will be $372,758 per year, or $31,063 per month. Your average tax rate is 36.2% and your marginal tax rate is 41.0%. 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 $41, hence, your net pay will only increase by $59.
Bonus Example
A $1,000 bonus will generate an extra $590 of net incomes. A $5,000 bonus will generate an extra $2,950 of net incomes.