List of Districts of Tamil Nadu (Area, Population and Head Quarter)
| S No | Name of District | Area (sq km) | Population (2011) | Name of HQ |
|---|
| 1 | Ariyalur | 3208 | 754894 | Ariyalur |
| 2 | Chennai | 178 | 4646732 | Chennai |
| 3 | Coimbatore | 7469 | 3458045 | Coimbatore |
| 4 | Cuddalore | 3678 | 2605914 | Cuddalore |
| 5 | Dharmapuri | 4498 | 1506843 | Dharmapuri |
| 6 | Dindigul | 6267 | 2159775 | Dindigul |
| 7 | Erode | 8162 | 2251744 | Erode |
| 8 | Kanchipuram | 7857 | 3998252 | Kanchipuram |
| 9 | Kanyakumari | 1672 | 1870374 | Nagercoil |
| 10 | Karur | 2896 | 1064493 | Karur |
| 11 | Krishnagiri | 5143 | 1879809 | Krishnagiri |
| 12 | Madurai | 3742 | 3038252 | Madurai |
| 13 | Nagapattinam | 2716 | 1616450 | Nagapattinam |
| 14 | Namakkal | 3363 | 1726601 | Namakkal |
| 15 | The Nilgiris | 2453 | 735394 | Ooty |
| 16 | Perambalur | 3690 | 565223 | Perambalur |
| 17 | Pudukkottai | 4663 | 1618345 | Pudukottai |
| 18 | Ramanathapuram | 4090 | 1353445 | Ramanathapuram |
| 19 | Salem | 5205 | 3482056 | Salem |
| 20 | Sivaganga | 4086 | 1339101 | Sivaganga |
| 21 | Thanjavur | 3397 | 2405890 | Thanjavur |
| 22 | Theni | 3066 | 1245899 | Theni |
| 23 | Thoothukudi | 4621 | 1750176 | Thoothukudi |
| 24 | Tiruchirappalli | 4407 | 2722290 | Tiruchirappalli |
| 25 | Tirunelveli | 6810 | 3077233 | Tirunelveli |
| 26 | Tiruppur | 5186 | 2479052 | Tiruppur |
| 27 | Tiruvallur | 3424 | 3728104 | Tiruvallur |
| 28 | Tiruvannamalai | 6191 | 2464875 | Tiruvannamalai |
| 29 | Tiruvarur | 2161 | 1264277 | Thiruvarur |
| 30 | Vellore | 6077 | 3936331 | Vellore |
| 31 | Viluppuram | 7217 | 3458873 | Viluppuram |
| 32 | Virudhunagar | 4288 | 1942288 | Virudhunagar |
Data shown in this page may not be 100% correct.
