Jill Biden Biography. Jill Biden born Jill Tracy Jacobs is an American educator who served as Second Lady of the United States from 2009 to 2017. She is married to the 47th Vice President of the United States, Joe Biden. Jill Biden Age. She was born on June 3, 1951, in Hammonton, New Jersey, United States. She is 67 years old as of 2018. Jill …