15 elections on record · DMK dominant · 15 total
Harbour is an Assembly constituency in Tamil Nadu. It has participated in 15 elections from 1962 to 2026. DMK is the historically dominant party with 8 wins out of 15 elections.
| Year | Winner | Party | Votes | Vote % | Runner-up | Party | Margin |
|---|---|---|---|---|---|---|---|
| 2026 | P. K. Sekar Babu | DMK | 45254 | 45.43% | Sinora PS Ashok | TVK | 11750 |
| 2021 | P. K. Sekar Babu | DMK | 59317 | 58.35% | Vinoj P. Selvam | BJP | 27274 |
| 2016 | P. K. Sekar Babu | DMK | 42071 | 40.36% | Sreenivasan K S | ADMK | 4836 |
| 2011 | Pala. Karuppiah | AIADMK | 53920 | 55.89% | Altaf Hussain | DMK | 20317 |
| 2006 | B. Ranganathan | DMK | 278850 | 45.63% | G. Kalan | ADMK | 30116 |
| 2001 | D. Nepoleon | DMK | 164787 | 48.21% | Dr. A. Chellakumar | TMC(M) | 9230 |
| 1996 | J.M. Haroon Rasheed | TMC | 194471 | 70.24% | M.G. Mohan | INC | 147747 |
| 1991 | E. Kalan | INC | 118196 | 55.49% | W. R. Varadarajan | CPI(M) | 46233 |
| 1989 | W. R. Varadarajan | CPI(M) | 99571 | 46.77% | D. Balasubramaniam | ADK(J) | 59421 |
| 1984 | V. P. Chintan | CPI(M) | 81595 | 48.21% | J. C. D. Prabhakar | AIADMK | 1046 |
| 1980 | Prabakaran. J. C. D | AIADMK | 57192 | 47.84% | Suppu. K | DMK | 703 |
| 1977 | K. Suppu | DMK | 37327 | 41.07% | R. Sarweshwar Rao | AIADMK | 7898 |
| 1971 | C. G. Viswanathan | DMK | 41949 | 62.09% | S T Neelakantan | INC | 23659 |
| 1967 | C. G. Viswanathan | DMK | 43428 | 62.77% | T. Naicker | INC | 23549 |
| 1962 | Venkatasubba Reddy | INC | 27170 | 48.55% | V. Venka | DMK | 4422 |