In 2011 assembly elections in Tamil Nadu, Muthuramalingam M of AIADMK won the Thirumangalam assembly constituency.
In 2006 assembly elections in Tamil Nadu, L.Athiyaman of DMK won the Thirumangalam assembly constituency.
In 2006 assembly elections in Tamil Nadu, Elavarasan.Veera of MDMK won the Thirumangalam assembly constituency.
In 2001 assembly elections in Tamil Nadu, Kalimuthu K of ADMK won the Thirumangalam assembly constituency.
In 1996 assembly elections in Tamil Nadu, M. Muthuramalingam of DMK won the Thirumangalam assembly constituency.
In 1991 assembly elections in Tamil Nadu, T,K. Radhakrishnan of ADK won the Thirumangalam assembly constituency.