Jefferson Montero is a married man. He had been married to his long time girlfriend Sonia Alvarado. His spouse Alvarado is also from his hometown. He does not have any extra- marital affairs. He is not a gay so he does not have any boyfriend. He and his wife are living happily and there is no sign of their divorce. They do not have any children too. It is estimated that Montero has the net worth of $5 million dollars and his salary is 1.5 million.
He was signed by Spanish Club Villareal FC on 27 April 2009 for five-year. He was only 20 years old while joining the club. He portrayed his excellent form from the start of the season. He scored two goals and five assists on 19 July against Navata dominating them by 27-0. He joined Swansea City on July 24, 2014. He made his international debut on 2007 Pan American Games. He scored in the final match against Jamaica.