Summary
If you make $18,623 a year living in the region of Pennsylvania, USA, you will be taxed $2,575. That means that your net pay will be $16,048 per year, or $1,337 per month. Your average tax rate is 13.8% and your marginal tax rate is 20.8%. 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 $20.78, hence, your net pay will only increase by $79.22.
Bonus Example
A $1,000 bonus will generate an extra $792 of net incomes. A $5,000 bonus will generate an extra $3,961 of net incomes.