Kolathur

There were a total of 207251 registered voters on the electoral rolls for the 2026 Assembly election in Kolathur Assembly constituency, of whom 99607 were male, 107607 female and 37 belonged to the third gender.

In the 2021 Assembly elections, there were a total of 281128 registered voters, of whom 137456 were male, 143605 female and 67 belonged to the third gender. In the 2016 Assembly elections, there were a total of 259843 registered voters, of whom 127682 were male, 132100 were female and 61 belonged to the third gender. In 2011 elections, there were a total of 207990 registered voters in this constituency, of whom 104280 were male, 103710 were female and 28 belonged to the third gender.

The number of service voters in this Assembly constituency was 69 in 2021, 93 in 2016, and 95 in 2011.

The electorate gender ratio (number of female voters per 1000 male voters) in this constituency in 2026 was 1080, in 2021 it was 1045, 1035 in 2016, and 995 in 2011.

Kolathur Assembly constituency will go to the polls in Phase 1 of the 2026 Tamil Nadu Assembly elections on Thursday, April 23, 2026. The counting of votes will take place on Monday, May 4, 2026.

In the 2021 state Assembly elections, this seat voted in Phase 1 on Tuesday, April 6, 2021 and the results were declared on Sunday, May 2, 2021.

In the 2016 state Assembly elections, this seat voted in Phase 1 on Monday, May 16, 2016 and the results were declared on Thursday, May 19, 2016.

In the 2011 polls, this constituency voted in Phase 1 on Wednesday, April 13, 2011 and the results were declared on Friday, May 13, 2011.

Kolathur Assembly constituency comprises the following areas of Chennai district in the North region of Tamil Nadu: Chennai (M Corp.) (Part) Chennai (M Corp.) Ward No. 50 to 54 and 62.

This constituency covers an approximate area of 10 square kilometers and the geographic coordinates of Kolathur is: 13°07'04.1"N 80°13'30.4"E.

According to data released by the Election Commission of India, In 2021, this seat registered a turnout of 61.04%, while it was 64.79% in 2016, and 68.47% in 2011.

In the 2021 Tamil Nadu Assembly elections, M K Stalin of DMK won in this constituency beating Aadirajaram of AIADMK by a margin of 70384 votes which was 40.95% of the total votes cast. In 2016, Stalin.M.K of DMK was the winner in this seat beating Prabhakar.J.C.D of AIADMK by a margin of 37730 votes which was 22.42% of the total votes polled in the constituency. In the 2011 Assembly elections, Stalin M.K. of DMK won this seat defeating Sadai.Sa. Duraisamy of AIADMK by a margin of 2819 votes which was 1.99% of the total votes polled for the seat.

In the 2021 Tamil Nadu Assembly elections, M K Stalin of DMK had a vote share of 61.4% in this seat. In the 2016 Assembly elections, Stalin.M.K of DMK got a vote share of 54.25% , In the 2011 Assembly elections, Stalin M.K. of DMK got a vote share of 48.44% in Kolathur.