Summary
If you make $5,148 a year living in the region of Kentucky, USA, you will be taxed $513. That means that your net pay will be $4,635 per year, or $386 per month. Your average tax rate is 10.0% and your marginal tax rate is 12.7%. 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 $12.65, hence, your net pay will only increase by $87.35.
Bonus Example
A $1,000 bonus will generate an extra $874 of net incomes. A $5,000 bonus will generate an extra $4,368 of net incomes.