4.25% in payroll taxes (Social Security and Medicare), federal income taxes range based on how much you make and how big your family is. Large family making lit

4.25% in payroll taxes (Social Security and Medicare), federal income taxes range based on how much you make and how big your family is. Large family making little, 0%; Single making $120k, your highest marginal rate is 28% but it will average out to an effective rate around 17% in my experience. State taxes range from 0% in Texas to what the other posts say about California.