| No. | Name of District | Area (sq km) | Population | Name of Head Quarters |
|---|---|---|---|---|
| 1 | Alappuzha | 1,414 | 2,121,943 | Alappuzha |
| 2 | Ernakulam | 3,068 | 3,279,860 | Kakkanad |
| 3 | Idukki | 4,358 | 1,107,453 | Painavu |
| 4 | Kannur | 2,966 | 2,525,637 | Kannur |
| 5 | Kasaragod | 1,992 | 1,302,600 | Kasaragod |
| 6 | Kollam | 2,491 | 2,629,703 | Kollam |
| 7 | Kottayam | 2,208 | 1,979,384 | Kottayam |
| 8 | Kozhikode | 2,344 | 3,089,543 | Kozhikode |
| 9 | Malappuram | 3,550 | 4,110,956 | Malappuram |
| 10 | Palakkad | 4,480 | 2,810,892 | Palakkad |
| 11 | Pathanamthitta | 2,637 | 1,195,537 | Pathanamthitta |
| 12 | Thiruvananthapuram | 2,192 | 3,307,284 | Thiruvananthapuram |
| 13 | Thrissur | 3,032 | 3,110,327 | Thrissur |
| 14 | Wayanad | 2,131 | 816,558 | Kalpetta |