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.
FICA Taxes. FICA taxes are the combined total of Social Security and Medicare taxes you pay on certain sources of income. These taxes are withheld at flat percentage rates, based on your total earnings subject to FICA. FICA payments withheld are converted to credits and posted to your Social Security account. These credits determine the amount of Social Security benefits you receive during retirement.