Ambattur

There were a total of 330480 registered voters on the electoral rolls for the 2026 Assembly election in Ambattur Assembly constituency, of whom 162248 were male, 168175 female and 57 belonged to the third gender.

In the 2021 Assembly elections, there were a total of 384235 registered voters, of whom 192029 were male, 192112 female and 94 belonged to the third gender. In the 2016 Assembly elections, there were a total of 359345 registered voters, of whom 180768 were male, 178474 were female and 103 belonged to the third gender. In 2011 elections, there were a total of 264960 registered voters in this constituency, of whom 136076 were male, 128884 were female and 30 belonged to the third gender.

The number of service voters in this Assembly constituency was 64 in 2021, 109 in 2016, and 105 in 2011.

The electorate gender ratio (number of female voters per 1000 male voters) in this constituency in 2026 was 1037, in 2021 it was 1000, 987 in 2016, and 947 in 2011.

Ambattur 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.

Ambattur Assembly constituency comprises the following areas of Thiruvallur district in the North region of Tamil Nadu: Ambattur Taluk (Part) Ambattur (M) (Part) Ambattur (M) - Ward No. 1 to 34 and 37 to 51.

This constituency covers an approximate area of 36 square kilometers and the geographic coordinates of Ambattur is: 13°06'35.6"N 80°10'12.7"E.

According to data released by the Election Commission of India, In 2021, this seat registered a turnout of 62.01%, while it was 63.93% in 2016, and 70.59% in 2011.

In the 2021 Tamil Nadu Assembly elections, Joseph Samuel of DMK won in this constituency beating V Alexander of AIADMK by a margin of 42146 votes which was 17.71% of the total votes cast. In 2016, Alexander V of AIADMK was the winner in this seat beating Aassan Maulaana of INC by a margin of 17498 votes which was 7.62% of the total votes polled in the constituency. In the 2011 Assembly elections, Vedhachalam. S of AIADMK won this seat defeating Ranaganathan. B of DMK by a margin of 22717 votes which was 12.19% of the total votes polled for the seat.

In the 2021 Tamil Nadu Assembly elections, Joseph Samuel of DMK had a vote share of 48.14% in this seat. In the 2016 Assembly elections, Alexander V of AIADMK got a vote share of 41.1% , In the 2011 Assembly elections, Vedhachalam. S of AIADMK got a vote share of 53.3% in Ambattur.