The LIX Legislature of the Congress of Sonora met from September 2009 to September 2012. All members of the Congress were elected in the . The LIX Legislature consists of 14 deputies from the National Action Party (PAN), 12 deputies from the Institutional Revolutionary Party (PRI), 2 deputies from the Party of the Democratic Revolution (PRD), 2 deputies form the Ecologist Green Party of Mexico (PVEM) and 3 deputy form the New Alliance Party.