Summary
If you make $4,488 a year living in the region of Ohio, USA, you will be taxed $366. That means that your net pay will be $4,122 per year, or $344 per month. Your average tax rate is 8.2% and your marginal tax rate is 8.2%. 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 $8.15, hence, your net pay will only increase by $91.85.
Bonus Example
A $1,000 bonus will generate an extra $919 of net incomes. A $5,000 bonus will generate an extra $4,593 of net incomes.