Chennai South

The geographic coordinates of Chennai South Lok Sabha constituency are: 13°04'48.7"N 80°17'01.7"E. Chennai South shares its borders with three other Lok Sabha constituencies. Other Lok Sabha constituencies adjacent to Chennai South are: Chennai Central, Sriperumbudur, Kancheepuram. This constituency shares an inter-state border with: No other state.

In the 2019 Lok Sabha general elections, T Sumathy (A) Thamizhachi Thangapandian of DMK won in this seat defeating Dr J Jayavardhan of AIADMK by a margin of 2,62,223 votes which was 23.29% of the total votes cast for the seat. DMK had a vote share of 50.15% in 2019 in this seat.

In 2014, J Jayavardhan of AIADMK emerged victorious in this seat beating TKSElangovan of DMK by a margin of 1,35,575 votes which was 12.54% of the total votes polled in the constituency. AIADMK secured a vote share of 40.55% in the seat.

In the 2009 Lok Sabha elections, Rajendran C of AIADMK won this seat beating Bharathy RS of DMK by a margin of 32,935 votes which was 4.52% of the total votes polled in the constituency. AIADMK had a vote share of 42.38% in the seat.

Chennai South Lok Sabha constituency has an estimated Scheduled Caste population of 13% and an estimated Scheduled Tribe population of 0%, according to the latest relevant Delimitation Commission report. The estimated literacy level of the district(s) in which this constituency falls in is 91%, according the Census of India, 2011.

In the Chennai South Lok Sabha constituency, there were a total of 20,07,816 registered voters on the electoral rolls for the 2024 Lok Sabha election, of which 9,93,590 were male, 10,13,772 female and 454 of the third gender. In the 2019 Lok Sabha elections, there were a total of 19,73,533 registered voters, of which 9,93,590 were male, 9,93,486 female and 389 of the third gender. In 2014 elections, there were a total of 17,95,776 registered voters in this constituency, of which 9,01,211 were male, 8,94,252 female and 313 of the third gender. In the 2009 polls, the number of total electors was 11,62,062 which included 5,84,432 male, and 5,77,630 female.

The number of service voters in Madras South, Chennai Therku Lok Sabha constituency was 218 in 2019, 372 in 2014 and 378 in 2009.

The electorate gender ratio or sex ratio (number of female voters per 1000 male voters) in this constituency in 2024 was 1,020, in 2019 it was 1,014, 992 in 2014 and 988 in 2009.

Chennai South Lok Sabha constituency went to the polls in Phase 1 of the 2024 Lok Sabha elections on Friday, April 19, 2024. The counting of votes is on Tuesday, June 4, 2024.

In the 2019 Lok Sabha general elections this seat voted in Phase 2 on Thursday, April 18, 2019 and the results were declared on Thursday, May 23, 2019.

In the 2014 polls this constituency voted in Phase 1 on Thursday, April 24, 2014 and the results were declared on Friday, May 16, 2014.

In 2009, Chennai South voted in Phase 1 on Wednesday, May 13, 2009 and the results were declared on Saturday, May 16, 2009.

According the latest delimitation documents for 3. Chennai South Lok Sabha seat, the extent of this constituency covers the following areas of Tamil Nadu: 22. Virugambakkam: Chennai (M Corp.) (Part) Chennai (M Corp.) Ward No.65, 128 to 131; 23. Saidapet: Chennai (M Corp.) Part Chennai (M Corp.) Ward No.132 to 136 and 138 to 141; 24. Thiyagarayanagar: Chennai (M Corp.) Part Chennai (M Corp.) Ward No. 117, 120 to 127 and 137 ; 25. Mylapore: Chennai (M Corp.) Part Chennai (M Corp.) Ward No.94, 96, 115, 116 and 142 to 150; 26. Velachery: Chennai (M Corp.) Part Chennai (M Corp.) Ward No. 151 to 155; and 27. Sholinganallur: Tambaram Taluk (Part) Nanmangalam, Kovilambakkam, Medavakkam, Karapakkam, Perumbakkam, Vengavasal, Chittalapakkam, Ottiambakkam, Arasankalani, Semmanjeri and Uthandi villages. Puzhithivakkam (Ullagaram) (TP), Perungudi (TP), Kottivakkam (CT), Palavakkam (CT), Neelankarai (CT), Injambakkam (CT), Okkiyamthuraipakkam (CT), Pallikaranai (TP), Madipakkam (CT), Jalladianpettai (CT) and Shozhinganallur (TP).

According to data released by the Election Commission of India, in the 2024 Lok Sabha elections, the estimated voter turnout in Chennai South constituency was 54.17%. In 2019, this seat registered a turnout of 57%, while it was 60% in 2014 and 63% in 2009. The estimated turnout in 2024 was -2.88% compared to the 2019 turnout.

In the 2019 Lok Sabha general elections, T Sumathy (A) Thamizhachi Thangapandian of DMK won in this constituency beating Dr J Jayavardhan of AIADMK by a margin of 2,62,223 votes which was 23.29% of the total votes cast. In 2014, J Jayavardhan of AIADMK was the winner in this seat beating TKSElangovan of DMK by a margin of 1,35,575 votes which was 12.54% of the total votes polled in the constituency. In the 2009 Lok Sabha elections, Rajendran C of AIADMK won this seat defeating Bharathy RS of DMK by a margin of 32,935 votes which was 4.52% of the total votes polled for the seat.

In the 2019 Lok Sabha elections, T Sumathy (A) Thamizhachi Thangapandian of DMK had a vote share of 50.15% in this seat.

In 2014, J Jayavardhan of AIADMK secured a vote share of 40.55% in this constituency.

In the 2009 Lok Sabha elections, Rajendran C of AIADMK got a vote share of 42.38% in Chennai South.