[1] As of the 2021 assembly elections, the current MLA is K. Premkumar of CPI(M).

Ottapalam Niyamasabha constituency is composed of the following local self governed segments:[2] The following list contains all members of Kerala legislative assembly who have represented the constituency: Sabha Percentage change (±%) denotes the change in the number of votes from the immediate previous election.

There were 2,07,723 registered voters in the constituency for the 2021 election.

[3] There were 1,97,646 registered voters in the constituency for the 2016 election.

[4] There were 1,75,066 registered voters in the constituency for the 2011 election.