The current alcalde is Boris Luksic Nieto. The communal council has the following members:
* María Salas Herrera
* Pablo Pacheco Delgado
* Aurora Medina Carvajal
* Luís René Carvajal Leiva
* Claudio Núñez Cataldo
* María Sánchez Contreas

Within the electoral divisions of Chile, Catemu is represented in the Chamber of Deputies by Marco Antonio Núñez (PDC)