The Tamil Nadu assembly election was held on April 6 2021 for 234 seats of the Legislative Assembly, the voter turnout in the state was 72.78%
This was the first full-state legislative election without J. Jayalalithaa and M. Karunanidhi.
Actor-turned-politician Kamal Haasan has proved to be less of a threat and the foreseeable battle was between the two arch-rivals, DMK and the AIADMK.
While the Congress battled the polls in alliance with the DMK, the BJP partnered with the ruling AIADMK. Counting of votes will take place on May 02.
| Const.Name | 2016 | 2011 |
|---|
| Gummidipoondi | AIADMK | DMDK |
| Ponneri | AIADMK | AIADMK |
| Tiruttani | AIADMK | DMDK |
| Thiruvallur | DMK | AIADMK |
| Poonamallee | AIADMK | AIADMK |
| Avadi | AIADMK | AIADMK |
| Maduravoyal | AIADMK | CPI(M) |
| Ambattur | AIADMK | AIADMK |
| Madavaram | DMK | AIADMK |
| Thiruvottiyur | DMK | AIADMK |
| Dr.Radhakrishnan Nagar | AIADMK | AIADMK |
| Perambur | AIADMK | CPI(M) |
| Kolathur | DMK | DMK |
| Villivakkam | DMK | AIADMK |
| Thiru-Vi-Ka-Nagar | DMK | AIADMK |
| Egmore | DMK | DMDK |
| Royapuram | AIADMK | AIADMK |
| Harbour | DMK | AIADMK |
| Chepauk-Thiruvallikeni | DMK | DMK |
| Thousand Lights | DMK | AIADMK |
| Anna Nagar | DMK | AIADMK |
| Virugampakkam | AIADMK | DMDK |
| Saidapet | DMK | AIADMK |
| Thiyagarayanagar | AIADMK | AIADMK |
| Mylapore | AIADMK | AIADMK |
| Velachery | DMK | AIADMK |
| Shozhinganallur | DMK | AIADMK |
| Alandur | DMK | DMDK |
| Sriperumbudur | AIADMK | AIADMK |
| Pallavaram | DMK | AIADMK |
| Tambaram | DMK | AIADMK |
| Chengalpattu | DMK | DMDK |
| Thiruporur | AIADMK | AIADMK |
| Cheyyur | DMK | AIADMK |
| Madurantakam | DMK | AIADMK |
| Uthiramerur | DMK | AIADMK |
| Kancheepuram | DMK | AIADMK |
| Arakkonam | AIADMK | AIADMK |
| Sholingur | AIADMK | DMDK |
| Katpadi | DMK | DMK |
| Ranipet | DMK | AIADMK |
| Arcot | DMK | AIADMK |
| Vellore | DMK | AIADMK |
| Anaikattu | DMK | PMK |
| Kilvaithinankuppam | AIADMK | AIADMK |
| Gudiyattam | AIADMK | CPI |
| Vaniyambadi | AIADMK | AIADMK |
| Ambur | AIADMK | MAMAK |
| Jolarpet | AIADMK | AIADMK |
| Tirupattur | DMK | AIADMK |
| Uthangarai | AIADMK | AIADMK |
| Bargur | AIADMK | AIADMK |
| Krishnagiri | DMK | AIADMK |
| Veppanahalli | DMK | DMK |
| Hosur | AIADMK | INC |
| Thalli | DMK | CPI |
| Palacode | AIADMK | AIADMK |
| Pennagaram | DMK | CPI |
| Dharmapuri | DMK | DMDK |
| Pappireddippatti | AIADMK | AIADMK |
| Harur | AIADMK | CPI(M) |
| Chengam | DMK | DMDK |
| Tiruvannamalai | DMK | DMK |
| Kilpennathur | DMK | AIADMK |
| Kalasapakkam | AIADMK | AIADMK |
| Polur | DMK | AIADMK |
| Arani | AIADMK | DMDK |
| Cheyyar | AIADMK | AIADMK |
| Vandavasi | DMK | AIADMK |
| Gingee | DMK | PMK |
| Mailam | DMK | AIADMK |
| Tindivanam | DMK | AIADMK |
| Vanur | AIADMK | AIADMK |
| Villupuram | AIADMK | AIADMK |
| Vikravandi | DMK | CPI(M) |
| Tirukkoyilur | DMK | DMDK |
| Ulundurpettai | AIADMK | AIADMK |
| Rishivandiyam | DMK | DMDK |
| Sankarapuram | DMK | AIADMK |
| Kallakurichi | AIADMK | AIADMK |
| Gangavalli | AIADMK | DMDK |
| Attur | AIADMK | AIADMK |
| Yercaud | AIADMK | AIADMK |
| Omalur | AIADMK | AIADMK |
| Mettur | AIADMK | DMDK |
| Edappadi | AIADMK | AIADMK |
| Sankari | AIADMK | AIADMK |
| Salem (West) | AIADMK | AIADMK |
| Salem (North) | DMK | DMDK |
| Salem (South) | AIADMK | AIADMK |
| Veerapandi | AIADMK | AIADMK |
| Rasipuram | AIADMK | AIADMK |
| Senthamangalam | AIADMK | DMDK |
| Namakkal | AIADMK | AIADMK |
| Paramathi-Velur | DMK | AIADMK |
| Tiruchengodu | AIADMK | DMDK |
| Kumarapalayam | AIADMK | AIADMK |
| Erode (East) | AIADMK | DMDK |
| Erode (West) | AIADMK | AIADMK |
| Modakkurichi | AIADMK | AIADMK |
| Dharapuram (SC) | INC | AIADMK |
| Kangayam | KIP | AIADMK |
| Perundurai | AIADMK | AIADMK |
| Bhavani | AIADMK | AIADMK |
| Anthiyur | AIADMK | AIADMK |
| Gobichettipalayam | AIADMK | AIADMK |
| Bhavanisagar | AIADMK | CPI |
| Udhagamandalam | INC | AIADMK |
| Gudalur | DMK | DMK |
| Coonoor | AIADMK | DMK |
| Mettuppalayam | AIADMK | AIADMK |
| Avanashi (SC) | AIADMK | AIADMK |
| Tiruppur (North) | AIADMK | AIADMK |
| Tiruppur (South) | AIADMK | CPI(M) |
| Palladam | AIADMK | AIADMK |
| Sulur | AIADMK | DMDK |
| Kavundampalayam | AIADMK | AIADMK |
| Coimbatore (North) | AIADMK | AIADMK |
| Thondamuthur | AIADMK | AIADMK |
| Coimbatore (South) | AIADMK | AIADMK |
| Singanallur | DMK | AIADMK |
| Kinathukadavu | AIADMK | AIADMK |
| Pollachi | AIADMK | AIADMK |
| Valparai | AIADMK | CPI |
| Udumalaipettai | AIADMK | AIADMK |
| Madathukulam | DMK | AIADMK |
| Palani | DMK | AIADMK |
| Oddanchatram | DMK | DMK |
| Athoor | DMK | DMK |
| Nilakkottai | AIADMK | PT |
| Natham | DMK | AIADMK |
| Dindigul | AIADMK | CPI(M) |
| Vedasandur | AIADMK | AIADMK |
| Aravakurichi | AIADMK | DMK |
| Karur | AIADMK | AIADMK |
| Krishnarayapuram | AIADMK | AIADMK |
| Kulithalai | DMK | AIADMK |
| Manapparai | AIADMK | AIADMK |
| Srirangam | AIADMK | AIADMK |
| Tiruchirappalli (West) | DMK | AIADMK |
| Tiruchirappalli (East) | AIADMK | AIADMK |
| Thiruverumbur | DMK | DMDK |
| Lalgudi | DMK | DMK |
| Manachanallur | AIADMK | AIADMK |
| Musiri | AIADMK | AIADMK |
| Thuraiyur | DMK | AIADMK |
| Perambalur | AIADMK | AIADMK |
| Kunnam | AIADMK | DMK |
| Ariyalur | AIADMK | AIADMK |
| Jayankondam | AIADMK | PMK |
| Tittagudi (SC) | DMK | DMDK |
| Vridhachalam | AIADMK | DMDK |
| Neyveli | DMK | AIADMK |
| Panruti | AIADMK | DMDK |
| Cuddalore | AIADMK | AIADMK |
| Kurinjipadi | DMK | AIADMK |
| Bhuvanagiri | DMK | AIADMK |
| Chidambaram | AIADMK | CPI(M) |
| Kattumannarkoil(SC) | AIADMK | AIADMK |
| Sirkazhi | AIADMK | AIADMK |
| Mayiladuthurai | AIADMK | DMDK |
| Poompuhar | AIADMK | AIADMK |
| Nagapattinam | MJK | AIADMK |
| Kilvelur | DMK | CPI(M) |
| Vedaranyam | AIADMK | AIADMK |
| Thiruthuraipoondi | DMK | CPI |
| Mannargudi | DMK | DMK |
| Thiruvarur | DMK | DMK |
| Nannilam | AIADMK | AIADMK |
| Thiruvidaimarudur | DMK | DMK |
| Kumbakonam | DMK | DMK |
| Papanasam | AIADMK | AIADMK |
| Thiruvaiyaru | DMK | AIADMK |
| Thanjavur | AIADMK | AIADMK |
| Orathanadu | DMK | AIADMK |
| Pattukkottai | AIADMK | INC |
| Peravurani | AIADMK | DMDK |
| Gandharvakottai | AIADMK | AIADMK |
| Viralimalai | AIADMK | AIADMK |
| Pudukkottai | DMK | CPI |
| Thirumayam | DMK | AIADMK |
| Alangudi | DMK | AIADMK |
| Aranthangi | AIADMK | AIADMK |
| Karaikudi | INC | AIADMK |
| Tiruppattur | DMK | DMK |
| Sivaganga | AIADMK | CPI |
| Manamadurai | AIADMK | AIADMK |
| Melur | AIADMK | AIADMK |
| Madurai East | DMK | AIADMK |
| Sholavandan | AIADMK | AIADMK |
| Madurai North | AIADMK | AIADMK |
| Madurai South | AIADMK | CPI(M) |
| Madurai Central | DMK | DMDK |
| Madurai West | AIADMK | AIADMK |
| Thiruparankundram | AIADMK | DMDK |
| Thirumangalam | AIADMK | AIADMK |
| Usilampatti | AIADMK | FBL |
| Andipatti | AIADMK | AIADMK |
| Periyakulam | AIADMK | CPI(M) |
| Bodinayakanur | AIADMK | AIADMK |
| Cumbum | AIADMK | DMK |
| Rajapalayam | DMK | AIADMK |
| Srivilliputhur | AIADMK | CPI |
| Sattur | AIADMK | AIADMK |
| Sivakasi | AIADMK | AIADMK |
| Virudhunagar | DMK | DMDK |
| Aruppukkottai | DMK | AIADMK |
| Tiruchuli | DMK | DMK |
| Paramakudi | AIADMK | AIADMK |
| Tiruvadanai | AIADMK | DMK |
| Ramanathapuram | AIADMK | MAMAK |
| Mudhukulathur | INC | AIADMK |
| Vilathikulam | AIADMK | AIADMK |
| Thoothukkudi | DMK | AIADMK |
| Tiruchendur | DMK | DMK |
| Srivaikuntam | AIADMK | AIADMK |
| Ottapidaram | AIADMK | PT |
| Kovilpatti | AIADMK | AIADMK |
| Sankarankovil | AIADMK | AIADMK |
| Vasudevanallur | AIADMK | AIADMK |
| Kadayanallur | IUML | AIADMK |
| Tenkasi | AIADMK | AIADMK |
| Alangulam | DMK | AIADMK |
| Tirunelveli | DMK | AIADMK |
| Ambasamudram | AIADMK | AIADMK |
| Palayamkottai | DMK | DMK |
| Nanguneri | INC | AIADMK |
| Radhapuram | AIADMK | DMDK |
| Kanniyakumari | DMK | AIADMK |
| Nagercoil | DMK | AIADMK |
| Colachel | INC | INC |
| Padmanabhapuram | DMK | DMK |
| Vilavancode | INC | INC |
| Killiyoor | INC | INC |
