Summary
If you make $100,000 a year living in the region of Pennsylvania, USA, you will be taxed $25,548. That means that your net pay will be $74,452 per year, or $6,204 per month. Your average tax rate is 25.6% and your marginal tax rate is 34.4%. 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 $34.38, hence, your net pay will only increase by $65.62.
Bonus Example
A $1,000 bonus will generate an extra $656 of net incomes. A $5,000 bonus will generate an extra $3,281 of net incomes.