County College of Morris is an equal opportunity and affirmative action institution and complies with Title IX, ADA and Civil Rights obligations. Quicklinks Academic Advisement
Determining Taxable Amount. If your base income exceeds the limit for your filing group, you'll have to pay taxes on some of your Social Security benefits. If you're a single filer and your base income is between $25,000 and $34,000, you'll have to pay tax on up to 50 percent of your Social Security benefits.
State taxes are determined in much the same way. Every individual state's tax board provides a calculating formula for tax withheld. To calculate the payroll tax, the employer must know the current tax rates. The Social Security tax rate for employees in 2016 is 6.2%, and the Medicare tax rate is 1.45%. The employer must contribute 6.2% for Social Security and 1.45% for Medicare.