Arunapuram falls under the local self-government system of Kerala. Depending on the exact survey boundaries, it is administered either as a ward of the Pala Municipality or the adjacent Mutholy Grama Panchayat.
At the state level, Arunapuram is part of the Pala Legislative Assembly constituency, which elects a representative to the Kerala Legislative Assembly (Niyamasabha). At the national level, it falls under the Kottayam Lok Sabha constituency. The local government is highly active, focusing heavily on public sanitation, water supply, rural road maintenance, and decentralized welfare schemes.

