Thiru. A. Muthuswamy was the first M.L.A of thirukovilur town, at the period of 1952–1957. It was in existence from 1952 to 1971 state elections. After delimitation of constituencies in 2007, Mughaiyur constituency and Rishivandhiyam constituency are reorganised into Tirukovilur constituency. It has 1,94,414 registered voters for 2011 election.[3]