The Udumbanchola Assembly constituency in Idukki district, Kerala, reported a voter turnout of 16.91% by 9:00 AM on April 9, 2026, according to the Election Commission of India. This figure is slightly higher than the state average of 16.23%. The constituency has 149,111 eligible voters, including 73,684 males, 75,424 females, and three individuals of the third gender. Historically, Udumbanchola has seen higher voter engagement, with turnout rates of 73.33% in the 2021 Assembly elections, 75.57% in 2016, and 72% in 2011. M M Mani of the Communist Party of India (Marxist) is the current representative, having won the last election by a margin of 38,305 votes against his nearest rival from the Indian National Congress. The constituency is part of the Idukki Lok Sabha constituency and is classified as a General seat.