Area, Population and Headquarter of each district
| Sr. No. |
District |
Area in 000' sq. km |
2001 Census Population |
Headquarters |
| 1 | Alappuzha (External website that opens in a new window) | 1,414 | 2,109,160 | Alappuzha |
| 2 | Ernakulam (External website that opens in a new window) | 2,950 | 3,105,798 | Kochi |
| 3 | Idukki (External website that opens in a new window) | 4,476 | 1,129,221 | Painaw |
| 4 | Kannur (External website that opens in a new window) | 2,966 | 2,408,956 | Kannur |
| 5 | Kasargod (External website that opens in a new window) | 1,992 | 1,204,078 | Kasargod |
| 6 | Kollam (External website that opens in a new window) | 2,491 | 2,585,208 | Kollam |
| 7 | Kottayam (External website that opens in a new window) | 2,208 | 1,953,646 | Kottayam |
| 8 | Kozhikode (External website that opens in a new window) | 2,344 | 2,879,131 | Kozhikode |
| 9 | Malappuram (External website that opens in a new window) | 3,550 | 3,625,471 | Malappuram |
| 10 | Palakkad (External website that opens in a new window) | 4,480 | 2,617,482 | Palakkad |
| 11 | Pathanamthitta (External website that opens in a new window) | 2,637 | 1,234,016 | Pathanamthitta |
| 12 | Thiruvananthapuram (External website that opens in a new window) | 2,192 | 3,234,356 | Thiruvananthapuram |
| 13 | Thrissur (External website that opens in a new window) | 3,032 | 2,974,232 | Thrissur |
| 14 | Wayanad (External website that opens in a new window) | 2,131 | 780,619 | Kalpetta |