<P> The table below lists geographic and demographic parameters for all 32 districts . </P> <Table> <Tr> <Th> No . </Th> <Th> District </Th> <Th> Code </Th> <Th> Headquarters </Th> <Th> Established </Th> <Th> Formed from </Th> <Th> Area (km) </Th> <Th> Population (2011 Census) </Th> <Th> Population density (2011 Census) (/ km) </Th> <Th> Taluks </Th> <Th> Map </Th> </Tr> <Tr> <Td> 1 . </Td> <Td> Ariyalur </Td> <Td> AR </Td> <Td> Ariyalur </Td> <Td> 23 November 2007 </Td> <Td> Perambalur district </Td> <Td> 1,949.31 </Td> <Td> 754,894 </Td> <Td> 387 </Td> <Td> <Ul> <Li> Ariyalur </Li> <Li> Udayarpalayam </Li> <Li> Sendurai </Li> </Ul> </Td> <Td> </Td> </Tr> <Tr> <Td> 2 . </Td> <Td> Chennai </Td> <Td> CH </Td> <Td>--</Td> <Td> 1 November 1956 </Td> <Td> One of the original 13 districts </Td> <Td> 178.2 </Td> <Td> 4,646,732 </Td> <Td> 26105 </Td> <Td> <Ul> <Li> Tondiarpet </Li> <Li> Perambur </Li> <Li> Ayanavaram </Li> <Li> Purasawalkam </Li> <Li> Aminjikarai </Li> <Li> Egmore </Li> <Li> Mylapore </Li> <Li> Guindy </Li> <Li> Mambalam </Li> <Li> Velachery </Li> </Ul> </Td> <Td> </Td> </Tr> <Tr> <Td> 3 . </Td> <Td> Coimbatore </Td> <Td> CO </Td> <Td> Coimbatore </Td> <Td> 1 November 1956 </Td> <Td> One of the original 13 districts </Td> <Td> 4,723 </Td> <Td> 3,458,045 </Td> <Td> 732 </Td> <Td> <Ul> <Li> Mettupalayam </Li> <Li> Coimbatore - North </Li> <Li> Coimbatore - South </Li> <Li> Pollachi </Li> <Li> Annur </Li> <Li> Kinathukadavu </Li> <Li> Sulur taluk </Li> <Li> Perur taluk </Li> <Li> Valparai </Li> </Ul> </Td> <Td> </Td> </Tr> <Tr> <Td> 4 . </Td> <Td> Cuddalore </Td> <Td> CU </Td> <Td> Cuddalore </Td> <Td> 30 September 1993 </Td> <Td> South Arcot district </Td> <Td> 3,678 </Td> <Td> 2,605,914 </Td> <Td> 709 </Td> <Td> <Ul> <Li> Cuddalore </Li> <Li> Panruti </Li> <Li> Chidambaram </Li> <Li> Kattumannarkoil </Li> <Li> Kurinjipadi </Li> <Li> Titakudi </Li> <Li> Vriddachalam </Li> </Ul> </Td> <Td> </Td> </Tr> <Tr> <Td> 5 . </Td> <Td> Dharmapuri </Td> <Td> DH </Td> <Td> Dharmapuri </Td> <Td> 2 October 1965 </Td> <Td> Salem district </Td> <Td> 4,497.77 </Td> <Td> 1,506,843 </Td> <Td> 335 </Td> <Td> <Ul> <Li> Dharmapuri </Li> <Li> Palacode </Li> <Li> Pennagaram </Li> <Li> Harur </Li> <Li> Pappireddipatti </Li> <Li> Karimangalam </Li> <Li> Nallampalli </Li> </Ul> </Td> <Td> </Td> </Tr> <Tr> <Td> 6 . </Td> <Td> Dindigul </Td> <Td> DI </Td> <Td> Dindigul </Td> <Td> 15 September 1985 </Td> <Td> Madurai district </Td> <Td> 6,266.64 </Td> <Td> 2,159,775 </Td> <Td> 345 </Td> <Td> <Ul> <Li> Athoor </Li> <Li> Dindigul - West </Li> <Li> Dindigul - East </Li> <Li> Kodaikanal </Li> <Li> Natham </Li> <Li> Nilakottai </Li> <Li> Oddanchattiram </Li> <Li> Palani </Li> <Li> Vedasandur </Li> </Ul> </Td> <Td> </Td> </Tr> <Tr> <Td> 7 . </Td> <Td> Erode </Td> <Td> ER </Td> <Td> Erode </Td> <Td> 31 August 1979 </Td> <Td> Coimbatore district </Td> <Td> 4,723 </Td> <Td> 2,251,744 </Td> <Td> 394 </Td> <Td> <Ul> <Li> Anthiyur </Li> <Li> Bhavani </Li> <Li> Erode </Li> <Li> Gobichettipalayam </Li> <Li> Perundurai </Li> <Li> Sathyamangalam </Li> </Ul> </Td> <Td> </Td> </Tr> <Tr> <Td> 8 . </Td> <Td> Kanchipuram </Td> <Td> KC </Td> <Td> Kanchipuram </Td> <Td> 1 July 1997 </Td> <Td> Chengalpattu district </Td> <Td> 4,393 </Td> <Td> 3,998,252 </Td> <Td> 910 </Td> <Td> <Ul> <Li> Alandur </Li> <Li> Chengalpattu </Li> <Li> Cheyyur </Li> <Li> Kanchipuram </Li> <Li> Madurantakam </Li> <Li> Sholinganallur </Li> <Li> Sriperumbudur </Li> <Li> Tambaram </Li> <Li> Thiruporur </Li> <Li> Thirukazhukundram </Li> <Li> Uthiramerur </Li> <Li> Walajabad </Li> </Ul> </Td> <Td> </Td> </Tr> <Tr> <Td> 9 . </Td> <Td> Kanniyakumari </Td> <Td> KK </Td> <Td> Nagercoil </Td> <Td> 1 November 1956 </Td> <Td> One of the original 13 districts (annexed from Kerala) </Td> <Td> 1,672 </Td> <Td> 1,870,374 </Td> <Td> 1119 </Td> <Td> <Ul> <Li> Agastheeswaram </Li> <Li> Kalkulam </Li> <Li> Vilavancode </Li> <Li> Thovalai </Li> </Ul> </Td> <Td> </Td> </Tr> <Tr> <Td> 10 . </Td> <Td> Karur </Td> <Td> KR </Td> <Td> Karur </Td> <Td> 30 September 1995 </Td> <Td> Tiruchirappalli district </Td> <Td> 2,895.57 </Td> <Td> 1,064,493 </Td> <Td> 368 </Td> <Td> <Ul> <Li> Aravakurichi </Li> <Li> Kadavur </Li> <Li> Karur </Li> <Li> Krishnarayapuram </Li> <Li> Kulithalai </Li> </Ul> </Td> <Td> </Td> </Tr> <Tr> <Td> 11 . </Td> <Td> Krishnagiri </Td> <Td> KR </Td> <Td> Krishnagiri </Td> <Td> 9 February 2004 </Td> <Td> Dharmapuri district </Td> <Td> 5,143 </Td> <Td> 1,879,809 </Td> <Td> 366 </Td> <Td> <Ul> <Li> Krishnagiri </Li> <Li> Hosur </Li> <Li> Pochampalli </Li> <Li> Uthangarai </Li> <Li> Denkanikottai </Li> </Ul> </Td> <Td> </Td> </Tr> <Tr> <Td> 12 . </Td> <Td> Madurai </Td> <Td> MA </Td> <Td> Madurai </Td> <Td> 1 November 1956 </Td> <Td> One of the original 13 districts </Td> <Td> 3,741.73 </Td> <Td> 3,038,252 </Td> <Td> 812 </Td> <Td> <Ul> <Li> Madurai - North </Li> <Li> Madurai - South </Li> <Li> Melur </Li> <Li> Peraiyur </Li> <Li> Thirumangalam </Li> <Li> Usilampatti </Li> <Li> Vadipatti </Li> </Ul> </Td> <Td> </Td> </Tr> <Tr> <Td> 13 . </Td> <Td> Nagapattinam </Td> <Td> NG </Td> <Td> Nagapattinam </Td> <Td> 18 October 1991 </Td> <Td> Thanjavur district </Td> <Td> 2,715.83 </Td> <Td> 1,616,450 </Td> <Td> 595 </Td> <Td> <Ul> <Li> Kilvelur </Li> <Li> Kuthalam </Li> <Li> Mayiladuthurai </Li> <Li> Nagapattinam </Li> <Li> Sirkazhi </Li> <Li> Tharangambadi </Li> <Li> Thirukkuvalai </Li> <Li> Vedaranyam </Li> </Ul> </Td> <Td> </Td> </Tr> <Tr> <Td> 14 . </Td> <Td> Namakkal </Td> <Td> NM </Td> <Td> Namakkal </Td> <Td> 1 January 1997 </Td> <Td> Salem district </Td> <Td> 3363 </Td> <Td> 1,726,601 </Td> <Td> 513 </Td> <Td> <Ul> <Li> Kollimalai </Li> <Li> Namakkal </Li> <Li> Paramathi - Velur </Li> <Li> Thiruchengode </Li> <Li> Rasipuram </Li> </Ul> </Td> <Td> </Td> </Tr> <Tr> <Td> 15 . </Td> <Td> The Nilgiris </Td> <Td> NI </Td> <Td> Ooty </Td> <Td> 1 November 1956 </Td> <Td> One of the original 13 districts </Td> <Td> 2,452.5 </Td> <Td> 735,394 </Td> <Td> 300 </Td> <Td> <Ul> <Li> Coonoor </Li> <Li> Gudalur </Li> <Li> Kotagiri </Li> <Li> Kundah </Li> <Li> Pandalur </Li> <Li> Udagamandalam </Li> </Ul> </Td> <Td> </Td> </Tr> <Tr> <Td> 16 . </Td> <Td> Perambalur </Td> <Td> PE </Td> <Td> Perambalur </Td> <Td> 30 September 1995 </Td> <Td> Tiruchirappalli district </Td> <Td> 1,757 </Td> <Td> 565,223 </Td> <Td> 322 </Td> <Td> <Ul> <Li> Alathur </Li> <Li> Kunnam </Li> <Li> Perambalur </Li> <Li> Veppanthattai </Li> </Ul> </Td> <Td> </Td> </Tr> <Tr> <Td> 17 . </Td> <Td> Pudukkottai </Td> <Td> PU </Td> <Td> Pudukottai </Td> <Td> 14 January 1974 </Td> <Td> Tiruchirappalli district </Td> <Td> 4,663 </Td> <Td> 1,618,345 </Td> <Td> 347 </Td> <Td> <Ul> <Li> Alangudi </Li> <Li> Aranthangi </Li> <Li> Avadaiyarkoil </Li> <Li> Gandarvakottai </Li> <Li> Illuppur </Li> <Li> Kulathur </Li> <Li> Manamelkudi </Li> <Li> Pudukottai </Li> <Li> Thirumayam </Li> <Li> Ponnamaravathy </Li> </Ul> </Td> <Td> </Td> </Tr> <Tr> <Td> 18 . </Td> <Td> Ramanathapuram </Td> <Td> RA </Td> <Td> Ramanathapuram </Td> <Td> 1 November 1956 </Td> <Td> One of the original 13 districts </Td> <Td> 4,089.57 </Td> <Td> 1,353,445 </Td> <Td> 331 </Td> <Td> <Ul> <Li> Kadaladi </Li> <Li> Kamuthi </Li> <Li> Manamelkudi </Li> <Li> Mudukulathur </Li> <Li> Paramakudi </Li> <Li> Ramanathapuram </Li> <Li> Rameswaram </Li> <Li> Tiruvadanai </Li> </Ul> </Td> <Td> </Td> </Tr> <Tr> <Td> 19 . </Td> <Td> Salem </Td> <Td> SA </Td> <Td> Salem </Td> <Td> 1 November 1956 </Td> <Td> One of the original 13 districts </Td> <Td> 5,205 </Td> <Td> 3,482,056 </Td> <Td> 669 </Td> <Td> <Ul> <Li> Attur </Li> <Li> Idappadi </Li> <Li> Gangavalli </Li> <Li> Mettur </Li> <Li> Omalur </Li> <Li> Salem </Li> <Li> Sankagiri </Li> <Li> Valapady </Li> <Li> Yercaud </Li> </Ul> </Td> <Td> </Td> </Tr> <Tr> <Td> 20 . </Td> <Td> Sivaganga </Td> <Td> SI </Td> <Td> Sivaganga </Td> <Td> 15 March 1985 </Td> <Td> Madurai district and Ramanathapuram district </Td> <Td> 4,086 </Td> <Td> 1,339,101 </Td> <Td> 328 </Td> <Td> <Ul> <Li> Devakottai </Li> <Li> Ilayangudi </Li> <Li> Karaikudi </Li> <Li> Manamadurai </Li> <Li> Sivaganga </Li> <Li> Tirupathur </Li> <Li> Tiruppuvanam </Li> </Ul> </Td> <Td> </Td> </Tr> <Tr> <Td> 21 . </Td> <Td> Thanjavur </Td> <Td> TJ </Td> <Td> Thanjavur </Td> <Td> 1 November 1956 </Td> <Td> One of the original 13 districts </Td> <Td> 3,396.57 </Td> <Td> 2,405,890 </Td> <Td> 708 </Td> <Td> <Ul> <Li> Kumbakonam </Li> <Li> Orathanadu </Li> <Li> Papanasam </Li> <Li> Pattukkottai </Li> <Li> Peravurani </Li> <Li> Thanjavur </Li> <Li> Thiruvaiyaru </Li> <Li> Thiruvidaimarudur </Li> </Ul> </Td> <Td> </Td> </Tr> <Tr> <Td> 22 . </Td> <Td> Theni </Td> <Td> TH </Td> <Td> Theni </Td> <Td> 25 July 1996 </Td> <Td> Madurai district </Td> <Td> 3,066 </Td> <Td> 1,245,899 </Td> <Td> 406 </Td> <Td> <Ul> <Li> Theni </Li> <Li> Periyakulam </Li> <Li> Andipatti </Li> <Li> Bodniayakkanur </Li> <Li> Uthamapalayam </Li> </Ul> </Td> <Td> </Td> </Tr> <Tr> <Td> 23 . </Td> <Td> Thoothukudi </Td> <Td> TK </Td> <Td> Thoothukudi </Td> <Td> 20 October 1986 </Td> <Td> Tirunelveli district </Td> <Td> 4,621 </Td> <Td> 1,750,176 </Td> <Td> 379 </Td> <Td> <Ul> <Li> Ettayapuram </Li> <Li> Kovilpatti </Li> <Li> Ottapidaram </Li> <Li> Sathankulam </Li> <Li> Srivaikuntam </Li> <Li> Thiruchendur </Li> <Li> Thoothukudi </Li> <Li> Vilathikulam </Li> </Ul> </Td> <Td> </Td> </Tr> <Tr> <Td> 24 . </Td> <Td> Tiruchirappalli </Td> <Td> TC </Td> <Td> Tiruchirappalli </Td> <Td> 1 November 1956 </Td> <Td> One of the original 13 districts </Td> <Td> 4,407 </Td> <Td> 2,722,290 </Td> <Td> 618 </Td> <Td> <Ul> <Li> Lalgudi </Li> <Li> Manachanallur </Li> <Li> Manapparai </Li> <Li> Musiri </Li> <Li> Srirangam </Li> <Li> Tiruchirapalli </Li> <Li> Thiruverumbur </Li> <Li> Thottiyam </Li> <Li> Thuraiyur </Li> </Ul> </Td> <Td> </Td> </Tr> <Tr> <Td> 25 . </Td> <Td> Tirunelveli </Td> <Td> TI </Td> <Td> Tirunelveli </Td> <Td> 1 November 1956 </Td> <Td> One of the original 13 districts </Td> <Td> 6,810 </Td> <Td> 3,077,233 </Td> <Td> 452 </Td> <Td> <Ul> <Li> Alangulam </Li> <Li> Ambasamudram </Li> <Li> Nanguneri </Li> <Li> Palayamkottai </Li> <Li> Sankarankovil </Li> <Li> Tenkasi </Li> <Li> Kadayanallur </Li> <Li> Shenkottai </Li> <Li> Radhapuram </Li> <Li> Sivagiri </Li> <Li> Tirunelveli </Li> <Li> Veerakeralamputhur </Li> </Ul> </Td> <Td> </Td> </Tr> <Tr> <Td> 26 . </Td> <Td> Tiruppur </Td> <Td> TP </Td> <Td> Tiruppur </Td> <Td> 22 February 2009 </Td> <Td> Coimbatore district and Erode district </Td> <Td> 5,186.34 </Td> <Td> 2,479,052 </Td> <Td> 478 </Td> <Td> <Ul> <Li> Avinashi </Li> <Li> Palladam </Li> <Li> Dharapuram </Li> <Li> Kangeyam </Li> <Li> Madathukulam </Li> <Li> Tiruppur </Li> <Li> Udumalaipettai </Li> </Ul> </Td> <Td> </Td> </Tr> <Tr> <Td> 27 . </Td> <Td> Tiruvallur </Td> <Td> TL </Td> <Td> Tiruvallur </Td> <Td> 1 July 1997 </Td> <Td> Chengalpattu district </Td> <Td> 3,424 </Td> <Td> 3,728,104 </Td> <Td> 1089 </Td> <Td> <Ul> <Li> Ambattur </Li> <Li> Avadi </Li> <Li> Gummidipoondi </Li> <Li> Madhavaram </Li> <Li> Maduravoyal </Li> <Li> Pallipattu </Li> <Li> Ponneri </Li> <Li> Poonamallee </Li> <Li> Tiruttani </Li> <Li> Tiruvallur </Li> <Li> Tiruvottiyur </Li> <Li> Uthukkottai </Li> </Ul> </Td> <Td> </Td> </Tr> <Tr> <Td> 28 . </Td> <Td> Tiruvannamalai </Td> <Td> TV </Td> <Td> Tiruvannamalai </Td> <Td> 30 September 1989 </Td> <Td> North Arcot district </Td> <Td> 6,191 </Td> <Td> 2,464,875 </Td> <Td> 398 </Td> <Td> <Ul> <Li> Aarani </Li> <Li> Chengam </Li> <Li> Cheyyar </Li> <Li> Polur </Li> <Li> Thandarampattu </Li> <Li> Tiruvannamalai </Li> <Li> Vandavasi </Li> </Ul> </Td> <Td> </Td> </Tr> <Tr> <Td> 29 . </Td> <Td> Tiruvarur </Td> <Td> TR </Td> <Td> Thiruvarur </Td> <Td> 18 October 1991 </Td> <Td> Thanjavur district </Td> <Td> 2,161 </Td> <Td> 1,264,277 </Td> <Td> 585 </Td> <Td> <Ul> <Li> Kudavasal </Li> <Li> Mannargudi </Li> <Li> Nannilam </Li> <Li> Needamangalam </Li> <Li> Thiruthiraipoondi </Li> <Li> Tiruvarur </Li> <Li> Valangaiman </Li> </Ul> </Td> <Td> </Td> </Tr> <Tr> <Td> 30 . </Td> <Td> Vellore </Td> <Td> VE </Td> <Td> Vellore </Td> <Td> 30 September 1989 </Td> <Td> Vellore District </Td> <Td> 6,077 </Td> <Td> 3,936,331 </Td> <Td> 648 </Td> <Td> <Ul> <Li> Ambur </Li> <Li> Arakkonam </Li> <Li> Arcort </Li> <Li> Gudiyatham </Li> <Li> Katpadi </Li> <Li> Tirupattur </Li> <Li> Vaniyambadi </Li> <Li> Vellore </Li> <Li> Walajapet </Li> </Ul> </Td> <Td> </Td> </Tr> <Tr> <Td> 31 . </Td> <Td> Viluppuram </Td> <Td> VL </Td> <Td> Viluppuram </Td> <Td> 30 September 1993 </Td> <Td> South Arcot district </Td> <Td> 7,217 </Td> <Td> 3,458,873 </Td> <Td> 479 </Td> <Td> <Ul> <Li> Chinnasalem </Li> <Li> Gingee </Li> <Li> Kallakurichi </Li> <Li> Sankarapuram </Li> <Li> Tindivanam </Li> <Li> Ulundurpettai </Li> <Li> Tirukoilur </Li> <Li> Vanur </Li> <Li> Vikravandi </Li> <Li> Villupuram </Li> </Ul> </Td> <Td> </Td> </Tr> <Tr> <Td> 32 . </Td> <Td> Virudhunagar </Td> <Td> VR </Td> <Td> Virudhunagar </Td> <Td> 15 March 1985 </Td> <Td> Madurai district and Ramanathapuram district </Td> <Td> 4,288 </Td> <Td> 1,942,288 </Td> <Td> 453 </Td> <Td> <Ul> <Li> Aruppukkottai </Li> <Li> Kariapatti </Li> <Li> Rajapalayam </Li> <Li> Sattur </Li> <Li> Sivakasi </Li> <Li> Srivilliputhur </Li> <Li> Tiruchuli </Li> <Li> Virudhunagar </Li> </Ul> </Td> <Td> </Td> </Tr> </Table> <Tr> <Th> No . </Th> <Th> District </Th> <Th> Code </Th> <Th> Headquarters </Th> <Th> Established </Th> <Th> Formed from </Th> <Th> Area (km) </Th> <Th> Population (2011 Census) </Th> <Th> Population density (2011 Census) (/ km) </Th> <Th> Taluks </Th> <Th> Map </Th> </Tr> <Tr> <Td> 1 . </Td> <Td> Ariyalur </Td> <Td> AR </Td> <Td> Ariyalur </Td> <Td> 23 November 2007 </Td> <Td> Perambalur district </Td> <Td> 1,949.31 </Td> <Td> 754,894 </Td> <Td> 387 </Td> <Td> <Ul> <Li> Ariyalur </Li> <Li> Udayarpalayam </Li> <Li> Sendurai </Li> </Ul> </Td> <Td> </Td> </Tr>

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