Tamil Nadu Assembly Index

All 234 Tamil Nadu Constituencies234 சட்டமன்றத் தொகுதிகள்

Filter across winning margins, regional clusters, and reservation categories. 0 seats changed party hands in 2026, while 15 contests were decided by fewer than 1,000 votes.

Closest Contest

+1 votes

Winner: Seenivasa Sethupathy R. vs Periakaruppan. Kr (DMK)

Narrowest assembly race statewide.

Largest Victory Margin

+98,110 votes

Winner: Edappadi K. Palaniswami vs K. Premkumar (IND)

Overwhelming plurality in Salem.

Largest Electorate

5,53,905 voters

Winner: ECR P. Saravanan vs S. Aravind Ramesh (DMK)

Most registered electors.

Seats Won by Party

TVK 108 · DMK 59 · AIADMK 47 · Others 20

Victory Margin Bands

<1k: 15 · 1k–5k: 46 · >20k: 63

Reservation Categories

General: 188 · SC: 44 · ST: 2

Quick:

234 of 234 constituencies

AC 1 · Tiruvallur

Gummidipoondi

TVKS. Vijayakumar
+27,945
Runner-up: V. Sudhakar (AIADMK)Turnout: 91.5%
AC 2 · Tiruvallur

Ponneri

SC
TVKDr. Ravi M.S.
+55,768
Runner-up: Durai Chandrasekar (INC)Turnout: 90.2%
AC 3 · Tiruvallur

Tiruttani

AIADMKG. Hari
+5,793
Runner-up: M.sathya Kumar (TVK)Turnout: 91.2%
AC 4 · Tiruvallur

Thiruvallur

TVKDr. T. Arunkumar
+24,760
Runner-up: V.G. Raajendran (DMK)Turnout: 90.2%
AC 5 · Tiruvallur

Poonamallee

SC
TVKPrakasam R.
+72,740
Runner-up: A. Krishnaswamy (DMK)Turnout: 83.8%
AC 6 · Tiruvallur

Avadi

TVKR. Ramesh Kumar
+76,311
Runner-up: S.M.nasar (DMK)Turnout: 79.3%
AC 7 · Chennai

Maduravoyal

TVKRhevanth Charan
+61,509
Runner-up: K. Ganapathy (DMK)Turnout: 78.7%
AC 8 · Chennai

Ambattur

TVKBalamurugan G.
+58,781
Runner-up: Dr. A.P. Poornima (DMK)Turnout: 77.1%
AC 9 · Chennai

Madavaram

TVKM.L. Vijayprabhu
+94,985
Runner-up: S.sudharsanam (DMK)Turnout: 83.8%
AC 10 · Chennai

Thiruvottiyur

TVKSenthil Kumar N.
+53,564
Runner-up: L. Sundararaj (CPI(M))Turnout: 84.6%
AC 12 · Chennai

Perambur

TVKC. Joseph Vijay
+53,715
Runner-up: R.D. Shekar (DMK)Turnout: 90.3%
AC 13 · Chennai

Kolathur

TVKV.S. Babu
+8,795
Runner-up: M. K. Stalin (DMK)Turnout: 86.9%
AC 14 · Chennai

Villivakkam

TVKAadhav Arjuna
+17,302
Runner-up: Karthik Mohan (DMK)Turnout: 86.6%
AC 16 · Chennai

Egmore

SC
TVKRajmohan
+10,804
Runner-up: Tamilan Prasanna (DMK)Turnout: 86.3%
AC 17 · Chennai

Royapuram

TVKK.V. Vijay Damu
+14,249
Runner-up: Dr. A. Subair Khan (DMK)Turnout: 79.8%
AC 18 · Chennai

Harbour

DMKP.K. Sekarbabu
+11,750
Runner-up: Sinora P S Ashok (TVK)Turnout: 82.4%
AC 20 · Chennai

Thousand Lights

TVKPrabhakar J.C.D.
+15,141
Runner-up: Ezhilan Naganathan (DMK)Turnout: 83.7%
AC 21 · Chennai

Anna Nagar

TVKV.K. Ramkumar
+21,363
Runner-up: N.chitrarasu (DMK)Turnout: 86.5%
AC 22 · Chennai

Virugambakkam

TVKSabarinathan R.
+27,086
Runner-up: A.M.V. Prabhakara Raja (DMK)Turnout: 86.2%
AC 23 · Chennai

Saidapet

TVKArul Prakasam M.
+28,514
Runner-up: Subramanian. Ma (DMK)Turnout: 78.6%
Narrow Victories

Closest Contests in 2026

Full Top 20 →
  1. #1

    TirupatturSivaganga

  2. #2

    VeppanahalliKrishnagiri

    DMK+138
  3. #3

    KanniyakumariKanniyakumari

  4. #4

    PolurTiruvannamalai

    TVK+227
  5. #5

    TirukkoyilurViluppuram

Dominant Mandates

Largest Victory Margins

Full Top 20 →
  1. #1

    EdappadiSalem

    AIADMK+98,110
  2. TVK+96,780
  3. #3

    MadavaramChennai

    TVK+94,985
  4. #4

    AvadiTiruvallur

    TVK+76,311
  5. TVK+74,867