Seat data is not available for this selection.
| Sno. | Constituency | Type | State | Winning Candidate | Party | Electors | Votes | Turnout | Margin | Margin% | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 183-Kasaragod | GEN | Kerala | P. Karunakaran | Communist Party Of India (MARXIST) | 1160134 | 898746 | 77.50% | 108256 | 12.00% | 2004 |
| 2 | 184-Kannur | GEN | Kerala | A. P. Abdullakutty | Communist Party Of India (MARXIST) | 1088892 | 858386 | 78.80% | 83849 | 9.80% | 2004 |
| 3 | 185-Vatakara | GEN | Kerala | P. Satheedevi | Communist Party Of India (MARXIST) | 1092826 | 826054 | 75.60% | 130589 | 15.80% | 2004 |
| 4 | 187-Kozhikode | GEN | Kerala | M. P. Veerendra Kumar | Janata Dal (Secular) | 1110149 | 779220 | 70.20% | 65326 | 8.40% | 2004 |
| 5 | 189-Ponnani | GEN | Kerala | E. Ahammed | Muslim League Kerala State Committee | 1172057 | 729438 | 62.20% | 102758 | 14.10% | 2004 |
| 6 | 190-Palakkad | GEN | Kerala | N. N. Krishnadas | Communist Party Of India (MARXIST) | 1113144 | 818860 | 73.60% | 98158 | 12.00% | 2004 |
| 7 | 192-Thrissur | GEN | Kerala | C. K. Chandrappan | Communist Party Of India | 990733 | 686108 | 69.30% | 45961 | 6.70% | 2004 |
| 8 | 194-Ernakulam | GEN | Kerala | Dr. Sebastian Paul | Independent | 1069131 | 657891 | 61.50% | 70099 | 10.70% | 2004 |
| 9 | 195-Idukki | GEN | Kerala | K. Francis George | Kerala Congress | 1034338 | 727964 | 70.40% | 69384 | 9.50% | 2004 |
| 10 | 196-Kottayam | GEN | Kerala | K. Suresh Kurup | Communist Party Of India (MARXIST) | 963886 | 703486 | 73.00% | 42914 | 6.10% | 2004 |
| 11 | 197-Alappuzha | GEN | Kerala | Dr. K. S. Manoj | Communist Party Of India (MARXIST) | 971154 | 728156 | 75.00% | 1009 | 0.10% | 2004 |
| 12 | 198-Mavelikara | GEN | Kerala | C. S. Sujatha | Communist Party Of India (MARXIST) | 871592 | 642816 | 73.80% | 7414 | 1.20% | 2004 |
| 13 | 200-Kollam | GEN | Kerala | P. Rajendran | Communist Party Of India (MARXIST) | 1031593 | 702390 | 68.10% | 111071 | 15.80% | 2004 |
| 14 | 202-Thiruvananthapuram | GEN | Kerala | P. K. Vasudevan Nair | Communist Party Of India | 1112571 | 761488 | 68.40% | 54603 | 7.20% | 2004 |
| 15 | 580-Adoor | SC | Kerala | Chengara Surendran | Communist Party Of India | 960122 | 682227 | 71.10% | 54534 | 8.00% | 2004 |
| 16 | 581-Chirayinkil | GEN | Kerala | Varkala Radhakrishnan | Communist Party Of India (MARXIST) | 1020604 | 668280 | 65.50% | 50745 | 7.60% | 2004 |
| 17 | 582-Manjeri | GEN | Kerala | T. K. Hamza | Communist Party Of India (MARXIST) | 1262202 | 904535 | 71.70% | 47743 | 5.30% | 2004 |
| 18 | 583-Mukundapuram | GEN | Kerala | Lonappan Nambadan | Communist Party Of India (MARXIST) | 1024150 | 721958 | 70.50% | 117097 | 16.20% | 2004 |
| 19 | 584-Muvattupuzha | GEN | Kerala | P. C. Thomas (PULLOLIL) | Indian Federal Democratic Party | 984053 | 744192 | 75.60% | 529 | 0.10% | 2004 |
| 20 | 585-Ottapalam | SC | Kerala | S. Ajaya Kumar | Communist Party Of India (MARXIST) | 1092142 | 805485 | 73.80% | 70410 | 8.70% | 2004 |