 The 2008-2012 alcalde is Román Pavez López (PPD).Within the electoral divisions of Chile, Vichuquén is represented in the Chamber of Deputies by Roberto León (PDC) and Celso Morales (UDI) as part of the 36th electoral district, (together with Curicó, Teno, Romeral, Molina, Sagrada Familia, Hualañé, Licantén and Rauco).The commune is represented in the Senate by Juan Antonio Coloma Correa (UDI) and Andrés Zaldívar Larraín (PDC) as part of the 10th senatorial constituency (Maule-North).