Within the electoral divisions of Chile, Pencahue is represented in the Chamber of Deputies by Pablo Lorenzini (PDC) and Pedro Pablo Alvarez-Salamanca (UDI) as part of the 38th electoral district, together with Curepto, Constitución, Empedrado, Maule, San Clemente, Pelarco, Río Claro and San Rafael.
In Chile's electoral divisions, Pencahue is represented in the Chamber of Deputies by Pablo Lorenzini (PDC) and Pedro Pablo Alvarez-Salamanca (UDI), who are part of the 38th electoral district along with Curepto, Constitución, Empedrado, Maule, San Clemente, Pelarco, Río Claro, and San Rafael.