The following is the detailed result of the 2011 Tamil Nadu Legislative Assembly election.

Detailed result

Result by pre-poll alliance

! style="background-color:#E9E9E9;text-align:left;vertical-align:top;" |Alliance/Party !style="width:4px" | ! style="background-color:#E9E9E9;text-align:right;" |Seats won ! style="background-color:#E9E9E9;text-align:right;" |Change ! style="background-color:#E9E9E9;text-align:right;" |Popular vote ! style="background-color:#E9E9E9;text-align:right;" |Vote % ! style="background-color:#E9E9E9;text-align:right;" |Adj. %‡ |- ! style="background-color:#009900; color:white"| ! style="background-color: " | | 203 | +130 | 19,085,762 | colspan=2 style="text-align:center;vertical-align:middle;"| 51.9% |- |AIADMK ! style="background-color: " | | 150 | +93 | 14,150,289 | 38.4% | 53.9% |- |DMDK ! style="background-color: #FFD700" | | 29 | +28 | 2,903,828 | 7.9% | 44.8% |- |CPI(M) ! style="background-color: #CC0D0D" | | 10 | +1 | 888,364 | 2.4% | 50.3% |- |CPI ! style="background-color: #F50222" | | 9 | +3 | 727,394 | 2.0% | 48.6% |- |MNMK ! style="background-color:#00FF00" | | 2 | +2 | 181,180 | 0.5% | 42.4% |- |PT ! style="background-color: #CF0922" | | 2 | +2 | 146,454 | 0.4% | 54.3%

|AIFB ! style="background-color: #800000" | | 1 | +1 | 88,253 | 0.2% | 51.2% |- ! style="background-color:#FF0000; color:white"|DMK+ alliance ! style="background-color: Red" | | 31 | -126 | 14,530,215 | colspan=2 style="text-align:center;vertical-align:middle;"| 39.5% |- |DMK ! style="background-color: Red" | | 23 | -77 | 8,249,991 | 22.4% | 42.1% |- |INC ! style="background-color: #00BBFF" | | 5 | -32 | 3,426,432 | 9.3% | 35.6% |- |PMK ! style="background-color: #FFFF00" | | 3 | -15 | 1,927,783 | 5.2% | 39.6% |- |VCK ! style="background-color: #1E90FF" | | 0 | -2 | 555,965 | 1.5% | 34.0% |- |KMK ! style="background-color:#FFFF00 " | | 0 | – | 370,044 | 1.0% | 32.5% |- ! style="background-color:Gray; color:white"|Others ! style="background-color: #808080" | | 0 | -4 | 3,137,137 | colspan=2 style="text-align:center;vertical-align:middle;"|8.5% |- |BJP ! style="background-color: #FF9933" | | 0 | – | 819,577 | 2.2% | 2.6% |- |MDMK† ! style="background-color: #FC0000" | | – | -3 | – | – | – |- |IND and others ! style="background-color: #555555" | | 0 | -1 | 2,120,476 | 5.8% | N/A |- | style="text-align:center;" |Total ! style="background-color: #202122" | | 234 | – | 36,845,373 | 100% | – |- | style="text-align:left;" colspan="4" |Valid votes | align="right" | 36,845,373 | align="right" |99.89 | colspan="4" rowspan="5" style="background-color:#E9E9E9" | |- | style="text-align:left;" colspan="4" |Invalid votes | align="right" |40,853 | align="right" |0.11 |- | style="text-align:left;" colspan="4" |Votes cast / turnout | align="right" | 36,886,226 | align="right" | 78.29 |- | style="text-align:left;" colspan="4" |Abstentions | align="right" | 10,229,620 | align="right" |21.71 |- | style="text-align:left;" colspan="4" |Registered voters | align="right" |47,115,846 |colspan="1" style="background-color:#E9E9E9"|

†: MDMK left the AIADMK alliance due to failed seat sharing talks and boycotted this election. ‡: Vote % reflects the percentage of votes the party received compared to the entire electorate that voted in this election. Adjusted (Adj.) Vote %, reflects the average % of votes the party received per constituency that they contested. Sources: Election Commission of India and Hindu Newspaper

District wise result DistrictValid VotesAIADMK SeatsAIADMK+ VotesDMK+ SeatsDMK+ Votes% MarginThiruvallur1,826,31810993,3720691,82716.51%Chennai2,159,739141,147,6130865,12513.08%Kancheepuram1,953,968111,035,6572787,50112.70%Vellore1,987,97811983,9172823,2748.08%Krishnagiri957,9814457,9702375,5968.60%Dharmapuri805,7975406,1330310,34211.89%Tiruvanamalai1,364,2937700,9611578,0059.01%Villupuram1,834,11710978,1761726,94713.70%Salem1,902,139111,060,7780717,18118.06%Namakkal955,6666514,2640363,33715.79%Erode1,232,9708680,9990435,54819.91%Tiruppur1,236,1008764,1660400,38629.43%Nilgiris357,6751153,1122182,2338.14%Coimbatore1,609,52710919,4640575,47921.37%Dindigul1,163,4935575,1942474,6758.64%Karur620,9013338,6321254,04613.62%Tiruchirapalli1,409,9968717,4141522,40413.83%Perambalur363,0191157,2631161,1411.07%Ariyalur365,7301166,3271163,6450.73%Cuddalore1,357,2179703,9650553,60111.08%Nagapattinam837,5176408,1170329,0079.45%Thiruvarur676,3232311,5732333,1133.18%Thanjavur1,249,8765593,4223525,7315.42%Pudukkottai802,0196413,6010298,57414.34%Sivaganga660,6593326,7161290,9985.41%Madurai1,577,03710901,9160571,73020.94%Theni664,2133331,7821287,3726.69%Virudhunagar1,037,0716538,5091433,72610.10%Ramanathapuram643,1853298,4441228,91910.81%Tuticorin825,2625443,9091323,03114.65%Tirunelveli1,503,7529760,4771586,39011.58%Kanniyakumari896,2082301,9194359,3316.41%

Results by constituency Winner, runner-up, voter turnout, and victory margin in every constituencyAssembly ConstituencyTurnout(%)WinnerRunner UpMargin3rd Place #k Name CandidateParty Votes%CandidateParty Votes% CandidateParty Votes%1Gummidipoondi83.38 Karthik MDMDK97,708 54.4Sekar K NPMK68,452 38.1129,256 Selvakumar RIND1,892 1.052Ponneri80.44 Pon. Raja AIADMK93,624 57.5Manimekalai. ADMK62,354 38.2931,270 Raja. SBSP1,347 0.833Tiruttani80.79 M. Arun SubramanianDMDK95,918 50.16 Raman.E.S.S.INC71,988 37.6423,930 Subramani.A.KJMK9,760 5.14Thiruvallur81.82 B. V. RamanaaAIADMK91,337 53.69 Shiaji E.A.PDMK67,689 39.7923,648 James EPB2,220 1.35 Poonamallee79.12 Manimaran R AIADMK99,097 54.59 Kanchi Gv MathiazhaganINC57,678 31.7741,419 Jaganmoorthy.MPB21,118 11.636 Avadi71.81 S. Abdul Rahim AIADMK110,102 55.18 Dhamotharan.RINC66,864 33.5143,238 Jayaraman.B.IND10,460 5.247Maduravoyal68.99 G. Beem Rao CPI(M)96,844 52.09 Selvam KPMK72,833 39.1724,011 Selvan SBJP6,381 3.438Ambattur70.36 S. Vedachalam AIADMK99,330 53.3 Ranaganathan. BDMK76,613 41.1122,717 Jeyachandra. TBJP3,912 2.19Madavaram75.23 V. Moorthy AIADMK99,330 53.3 Kanimozhi N SDMK76,613 41.1122,717 Sivakumar BBJP3,912 2.110Thiruvottiyur74.38 K. Kuppan AIADMK93,944 57.03 Samy. K.P.P.DMK66,653 40.4727,291 Venkatakrishnan. V.BJP1,719 1.0411Dr. Radhakrishnan Nagar72.72 P. Vetrivelu* AIADMK83,777 59.04 Sekarbabu P KDMK52,522 37.0131,255 Vinayagam K RBJP1,300 0.9212Perambur69.74 Soundararajan A CPI(M)84,668 52.26 N.R.DhanapalanDMK67,245 41.517,423 R.RavindrakumarBJP2,758 1.713Kolathur68.29 M.K. Stalin DMK68,677 48.35 Sadai.Sa. DuraisamyAIADMK65,943 46.432,734 Armstrong K.BSP4,004 2.8214Villivakkam67.71 Prabhakar Jcd AIADMK68,612 52.44 K. AnbazhaganDMK57,830 44.210,782 Masana Muthu DBJP1,850 1.4115Thiru-Vi-Ka-Nagar68.31 Neelakandan. V AIADMK72,887 58.87 Natesan .C. Dr.INC43,546 35.1729,341 Karunanidhi. EBJP3,561 2.8816Egmore67.98 Nallathambi K DMDK51,772 46.23 Parithi EllamvazhuthiDMK51,570 46.05202 Kumaravadivel N.SBJP4,911 4.3817Royapuram70.58 D. Jayakumar AIADMK65,099 57.89 Manohar. RINC43,727 38.8821,372 Chandar (Alias) Chandru.DBJP1,683 1.518Harbour63.14 Karuppiah .Pala AIADMK53,920 55.89 Altaf HussainDMK33,603 34.8320,317 Jaisankar MBJP4,663 4.8319Chepauk-Thiruvallikeni69.32 Anbazhagan. J DMK64,191 49.44 Thameemun Ansari. MMMK54,988 42.359,203 Venkataraman. SBJP5,374 4.1420Thousand Lights66.79 Valarmathi. B AIADMK67,522 50.55 Hasan Mohamed JinnahDMK59,930 44.877,592 Photo Siva Alias Sivalingam. MBJP3,098 2.3221Anna Nagar66.84 Gokula Indira S AIADMK88,954 58.67 Arivazhagan V.K.INC52,364 34.5436,590 Haribabu P.K.BJP3,769 2.4922Virugampakkam67.05 Partha Sarathy B DMDK71,524 49.65 Thanasekaran KDMK57,430 39.8614,094 Sritharan PBJP7,525 5.2223Saidapet70.49Senthamizhan G|bgcolor=""| |AIADMK |79,856 |51.78 |Magesh Kumaar M |bgcolor=""| |DMK |67,785 |43.95 |12,071 |Kalidass V |bgcolor=""| |BJP |3,018 |1.96 |- |24 |Thiyagarayanagar |66.58 | Kalairajan V P |bgcolor=""| |AIADMK |75,883 |58.48 | Chellakumar A |bgcolor=""| |INC |43,421 |33.46 |32,462 | Ravichandran K |bgcolor=""| |BJP |4,575 |3.53 |- |25 |Mylapore |66.35 | Rajalakshmi R |bgcolor=""| |AIADMK |80,063 |56.03 | K. V. Thangkabalu |bgcolor=""| |INC |50,859 |35.6 |29,204 | Vanathi Srinivasan |bgcolor=""| |BJP |6,911 |4.84 |- |26 |Velachery |67.06 | Ashok M.K. |bgcolor=""| |AIADMK |82,145 |53.91 | Jayaraman M |bgcolor=""| |PMK |50,425 |33.1 |31,720 | E. Sarathbabu | |IND |7,472 |4.9 |- |27 |Shozhinganallur |67.27 | K.P. Kandan |bgcolor=""| |AIADMK |145,385 |60.43 | S.S. Balaji |bgcolor=""| |VCK |78,413 |32.59 |66,972 | S. Mohandoss Gandhi |bgcolor=""| |BJP |7,275 |3.02 |- |28 |Alandur |70.07 | S. Ramachandran |bgcolor="" | |DMDK |76,537 |45.52 | Dr. K.Ghayathri Devi |bgcolor=""| |INC |70,783 |42.1 |5,754 | S. Sathya Narayanan |bgcolor=""| |BJP |9,628 |5.73 |- |29 |Sriperumbudur |81.86 | R. Perumal |bgcolor=""| |AIADMK |101,751 |59.07 |D. Yasodha |bgcolor=""| |INC |60,819 |35.31 |40,932 | C. Dhanasekaran | |PB |2,968 |1.72 |- |30 |Uthiramerur |86.46 | P. Ganesan |bgcolor=""| |AIADMK |86,912 |51.75 | Ponkumar |bgcolor=""| |DMK |73,146 |43.55 |13,766 | M. Mohanavelu | |IND |1,917 |1.14 |- |31 |Kancheepuram |80.83 | V. Somasundaram |bgcolor=""| |AIADMK |102,710 |53.43 | P. S. Ulagarakshagan |bgcolor=""| |PMK |76,993 |40.05 |25,717 | A. N. Radhakrishnan | |AIPPMR |2,806 |1.46 |- |32 |Pallavaram |72.2 | P. Dhansingh |bgcolor=""| |AIADMK |105,631 |52.7 | T.M. Anbarasan |bgcolor=""| |DMK |88,257 |44.03 |17,374 | R. Kumar | |LSP |1,082 |0.54 |- |33 |Tambaram |69.9 | T. K. M. Chinneyah |bgcolor=""| |AIADMK |91,702 |51.45 | S. R. Raja |bgcolor=""| |DMK |77,718 |43.61 |13,984 | A. Veda Subramaniam |bgcolor=""| |BJP |3,061 |1.72 |- |34 |Chengalpattu |74.05 | D. Murugesan |bgcolor="" | |DMDK |83,297 |44.58 | V. G. Rangasamy |bgcolor=""| |PMK |83,006 |44.42 |291 | M. Panneer Selvam | |AIJMK |4,124 |2.21 |- |35 |Thiruporur |82.62 | K. Manoharan |bgcolor=""| |AIADMK |84,169 |53.06 | K. Arumugam |bgcolor=""| |PMK |65,881 |41.53 |18,288 | G. Sivalingam | |PB |1,598 |1.01 |- |36 |Cheyyur |81 | V. S . Raji |bgcolor=""| |AIADMK |78,307 |55.59 | D. Parventhan |bgcolor=""| |VCK |51,723 |36.72 |26,584 | O. E. Sankar | |PB |2,322 |1.65 |- |37 |Maduranthakam |81.86 | S. Kanitha |bgcolor=""| |AIADMK |79,256 |53.64 | Dr. K. Jeyakumar |bgcolor=""| |INC |60,762 |41.13 |18,494 | C. Jaisankar | |IND |1,885 |1.28 |- |38 |Arakkonam |78.84 | S.Ravi |bgcolor=""| |AIADMK |79,409 |55.94 |S.Sellapandian |bgcolor=""| |VCK |53,172 |37.46 |26,237 |G.Mahalingam | |PB |3,007 |2.12 |- |39 |Sholingur |84.72 | P.R.Manokar |bgcolor="" | |DMDK |69,963 |38.98 |A.M.Muniratinam | |IND |60,925 |33.94 |9,038 |Arulanbarasu |bgcolor=""| |INC |36,957 |20.59 |- |40 |Ranipet |79.41 | A.Mohammed John |bgcolor=""| |AIADMK |83,834 |53.14 |Gandhi.R |bgcolor=""| |DMK |69,633 |44.14 |14,201 |R.Murugan | |IND |1,213 |0.77 |- |41 |Arcot |83.2 | R. Srinivasan |bgcolor=""| |AIADMK |93,258 |53.11 |K.L. Elavazagan |bgcolor=""| |PMK |74,005 |42.14 |19,253 |M. Velu | |IND |3,211 |1.83 |- |42 |Katpadi |79.54 | Duraimurugan |bgcolor=""| |DMK |75,064 |49.55 |Appu S.R.K.(A) Radhakrishnan.S. |bgcolor=""| |AIADMK |72,091 |47.59 |2,973 |Varadarajan.A |bgcolor=""| |BJP |1,539 |1.02 |- |43 |Vellore |73.59 | Vijay.Dr.V.S. |bgcolor=""| |AIADMK |71,522 |50.82 |Gnanasekaran.C. |bgcolor=""| |INC |56,346 |40.04 |15,176 |Hassan.J. | |IND |5,273 |3.75 |- |44 |Anaikattu |78.06 | Kalaiarasu.M. |bgcolor=""| |PMK |80,233 |54.51 |Velu.V.B. |bgcolor="" | |DMDK |52,330 |35.55 |27,903 |Dharman.M | |MMKA |4,696 |3.19 |- |45 |Kilvaithinankuppam |80.03 | Thamizharasan.C.K |bgcolor=""| |AIADMK |72,002 |51.12 |Seetharaman.K |bgcolor=""| |DMK |62,242 |44.19 |9,760 |Anumanthan.S | |IND |1,350 |0.96 |- |46 |Gudiyattam |76.99 | K. Lingamuthu |bgcolor=""| |CPI |79,416 |49.07 |K. Rajamarthandan. |bgcolor=""| |DMK |73,574 |45.46 |5,842 |C. Bharathi |bgcolor=""| |IJK |1,687 |1.04 |- |47 |Vaniyambadi |78.8 | Sampath Kumar .Govi |bgcolor=""| |AIADMK |80,563 |54.65 |Abdul Basith .H |bgcolor=""| |DMK |62,338 |42.29 |18,225 |Mohammed Iliyas | |IND |2,548 |1.73 |-