Summary
If you make $684,320 a year living in the region of New York, USA, you will be taxed $284,544. That means that your net pay will be $399,776 per year, or $33,315 per month. Your average tax rate is 41.6% and your marginal tax rate is 46.7%. 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 $46.70, hence, your net pay will only increase by $53.30.
Bonus Example
A $1,000 bonus will generate an extra $533 of net incomes. A $5,000 bonus will generate an extra $2,665 of net incomes.