Tamil Nadu Election Zone wise Result
தமிழ்நாடு மண்டல வாரியாக திமுக, அதிமுக பெற்ற தொகுதி பட்டியல் 2021
| Zone | Total Assembly Constituencies | DMK+ | AIADMK+ | |
| North Zone | 78 | 65 | 10 | |
| 1 | Chennai | |||
| 2 | Kancheepuram | |||
| 3 | Thiruvallur | |||
| 4 | Chengalpattu | |||
| 5 | Villupuram | |||
| 6 | Thiruvannamalai | |||
| 7 | Kallakurichi | |||
| 8 | Cuddalore | |||
| 9 | Vellore | |||
| 10 | Ranipet | |||
| 11 | Thriupatthur | |||
| South Zone | 58 | 40 | 18 | |
| 1 | Madurai | |||
| 2 | Ramanathapuram | |||
| 3 | Theni | |||
| 4 | Virudhunagar | |||
| 5 | Sivagnagai | |||
| 6 | Nellai | |||
| 7 | Thoothukudi | |||
| 8 | Kanniyakumari | |||
| 9 | Dindigul | |||
| 10 | Tenkasi | |||
| Kongu Zone | 57 | 17 | 40 | |
| 1 | Kovai | |||
| 2 | Salem | |||
| 3 | Tiruppur | |||
| 4 | Erode | |||
| 5 | Krishnagiri | |||
| 6 | Dharmapuri | |||
| 7 | Namakkal | |||
| 8 | Neelagiri | |||
| Central Zone | 41 | 37 | 4 | |
| 1 | Tiruchirappalli | |||
| 2 | Karur | |||
| 3 | Pudhukottai | |||
| 4 | Ariyalur | |||
| 5 | Perambalur | |||
| 6 | Thanjavur | |||
| 7 | Thiruvarur | |||
| 8 | Mayiladuthurai | |||
| 9 | Nagappattinam | |||
| Total | 234 | 159 | 75 |
