Kerala Legislative Assembly constituency result for 1980. Winner: LONAPPAN NAMBADAN (KEC). Winning margin: 6.9%.
| Candidate | Party | Votes | Vote Share |
|---|---|---|---|
| LONAPPAN NAMBADAN✓ Winner | KEC | 29,023 | 44.3% |
| V. L. LONAPPAN | INC | 24,503 | 37.4% |
| P.V. RAGHAVAN | IND | 10,404 | 15.9% |
| N. V. RAULEHAN | IND | 1,240 | 1.9% |
| U. DIVAKARA MENON | IND | 138 | 0.2% |
| P. A. DIVAKARAN | IND | 109 | 0.2% |
| K. C. SANKARAN | IND | 88 | 0.1% |
| Year | Winner | Party | Vote Share | Margin % |
|---|---|---|---|---|
| 2026 | T M SASI | CPM | 45.9% | 6.4% |
| 2021 | K.D.PRASENAN | CPM | 55.1% | 25.2% |
| 2016 | K.D.PRASENAN | CPM | 55.4% | 28.0% |
| 2011 | M.CHANDRAN | CPM | 57.7% | 21.3% |
| 2006 | PROF.C.RAVEENDRANATH | CPM | 54.0% | 17.5% |
| 2001 | ADV. K. P. VISWANATHAN | INC | 49.1% | 6.2% |
| 1996 | ADV. K. P. VISWANATHAN | INC | 45.7% | 2.0% |
| 1991 | ADV. K. P. VISWANATHAN | INC | 47.3% | 1.5% |
| 1987 | ADV. K. P. VISWANATHAN | INC | 46.2% | 2.7% |
| 1982 | C. G. JANARDHANAN | ICS | 50.2% | 3.9% |
| 1980 | LONAPPAN NAMBADAN | KEC | 44.3% | 6.9% |
| 1977 | LONAPPAN NAMBADAN | KEC | 48.9% | 2.3% |
| 1970 | V. K. GOPINATHAN | SOP | 45.2% | 2.8% |
| 1967 | T. K. KRISHNAN | CPM | 52.9% | 5.7% |
| 1965 | RAMU | IND | 53.1% | 6.3% |