District
| Name | Status | Population census 1991-03-01 | Population census 2001-03-01 | |
|---|---|---|---|---|
| Thiruvallur | District | 2,239,000 | 2,754,756 | o |
| Tamil Nadu | State | 55,858,946 | 62,405,679 |
Contents: Cities, Towns and Outgrowth Wards (Thiruvallur, District)
| Name | Status | City of Outgrowth | Population census 1991-03-01 | Population census 2001-03-01 | |
|---|---|---|---|---|---|
| Ambattur | Municipality | 215,424 | 310,967 | o | |
| Ammavarikuppam | Census Town | 7,552 | 9,384 | o | |
| Arani | Town Panchayat | 11,422 | 12,614 | o | |
| Athipattu | Census Town | ... | 8,513 | o | |
| Avadi | Municipality | 183,215 | 229,403 | o | |
| Chinnasekkadu | Town Panchayat | 8,421 | 9,738 | o | |
| Gummidipoondi | Town Panchayat | ... | 16,196 | o | |
| Karambakkam | Census Town | 10,467 | 14,950 | o | |
| Kattivakkam | Municipality | 27,169 | 32,590 | o | |
| Madavaram | Municipality | 49,256 | 76,093 | o | |
| Maduravoyal | Town Panchayat | 14,881 | 43,609 | o | |
| Manali | Town Panchayat | 19,093 | 28,597 | o | |
| Minjur | Town Panchayat | ... | 23,742 | o | |
| Naravarikuppam | Town Panchayat | 17,409 | 18,331 | o | |
| Nerkunram | Census Town | 21,338 | 39,826 | o | |
| Padianallur | Census Town | 18,004 | 20,938 | o | |
| Pallipattu | Town Panchayat | ... | 8,654 | o | |
| Ponneri | Town Panchayat | 22,375 | 24,309 | o | |
| Poonamallee | Town Panchayat | 28,827 | 42,604 | o | |
| Porur | Town Panchayat | 19,507 | 28,924 | o | |
| Pothatturpettai | Town Panchayat | ... | 18,715 | o | |
| Puzhal | Town Panchayat | 15,868 | 20,639 | o | |
| Ramapuram | Census Town | ... | 27,895 | o | |
| Thirumazhisai | Town Panchayat | ... | 16,291 | o | |
| Thirunindravur | Town Panchayat | ... | 29,332 | o | |
| Thiruvallur | Municipality | 38,564 | 45,732 | o | |
| Tiruttani | Town Panchayat | 34,363 | 38,314 | o | |
| Tiruverkadu | Town Panchayat | 22,313 | 32,221 | o | |
| Tiruvottiyur | Municipality | 168,642 | 212,281 | o | |
| Uthukkottai | Town Panchayat | ... | 10,626 | o | |
| Valasaravakkam | Town Panchayat | 21,953 | 30,978 | o | |
| Vengathur | Census Town | 10,799 | 17,076 | o |
Source: (1991) Rand McNally International Atlas 1994, School of Planning & Architecture (web).
(2001) Office of the Registrar General and Census Commissioner (web), Delimitation Commission of India (web).
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