Summary
If you make $37,978 a year living in the region of New Jersey, USA, you will be taxed $6,630. That means that your net pay will be $31,348 per year, or $2,612 per month. Your average tax rate is 17.5% and your marginal tax rate is 22.3%. 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 $22.33, hence, your net pay will only increase by $77.67.
Bonus Example
A $1,000 bonus will generate an extra $777 of net incomes. A $5,000 bonus will generate an extra $3,884 of net incomes.