Derek Kilmer graduated in 1996, Princeton University in New Jersey. Later he studied on a scholarship at the University of Oxford in England, the subject of philosophy. After his return to his homeland, he worked first as a private businessman. At the same time he proposed as a member of the Democratic Party launched a political career. Between 2005 and 2007 he was a delegate in the House of Representatives from Washington; 2007 to 2012 he was a member of the State Senate.
In the congressional elections of 2012, Kilmer was in the sixth constituency of Washington in the U.S. House of Representatives in Washington DC chosen, where he became the successor of not more candidates Norman D. Dicks on January 3, 2013. He reached 186 661 votes. On his rival candidate Bill Driscoll accounted for 129 725 votes.
Derek Kilmer is married and lives in private Artondale.