15 elections on record · PMK dominant · 15 total
Mettur is an Assembly constituency in Tamil Nadu. It has participated in 15 elections from 1962 to 2026. PMK is the historically dominant party with 4 wins out of 15 elections.
| Year | Winner | Party | Votes | Vote % | Runner-up | Party | Margin |
|---|---|---|---|---|---|---|---|
| 2026 | G. Venkatachalam | ADMK | 86498 | 37.43% | M. Midhun Chakravarthy | DMK | 19105 |
| 2021 | S. Sadhasivam | PMK | 97055 | 44.43% | S. Srinivasa Perumal | DMK | 656 |
| 2016 | Semmalai S | ADMK | 72751 | 35.05% | Parthiban S.R | DMK | 6282 |
| 2011 | Parthiban S.R. | DMDK | 75672 | 44.62% | Mani G. K. | PMK | 2594 |
| 2006 | P. Kannan | PMK | 49045 | 34.60% | P. Govindan | IND | 12254 |
| 2001 | M.P. Kamaraj | PMK | 67012 | 56.09% | S. Ammasi | DMK | 25458 |
| 1996 | P. Govindan | PMK | 50502 | 44.19% | P. Elavarasan | DMK | 24707 |
| 1991 | R. Palanisamy | INC | 50538 | 47.66% | S. Ammasi | PMK | 8334 |
| 1989 | K. Arjunan | ADK(J) | 15818 | 25.49% | P. Kandasamy | IND | 1653 |
| 1984 | S. Semmalai | AIADMK | 63407 | 69.68% | Arjunan K. | DMK | 37978 |
| 1980 | Semmalai. S | IND | 49597 | 60.33% | Narayanan. R | INC | 22383 |
| 1977 | R. Narayanan | INC | 23882 | 34.59% | S. Semmalai | AIADMK | 19 |
| 1971 | Chinnusamy V. | DMK | 29196 | 60.81% | K. Chinna Gounden | INC | 10378 |
| 1967 | V. Chinnasamy | DMK | 25124 | 56.25% | Ponnudurai | INC | 5587 |
| 1962 | N. S. Sundararajan | INC | 30020 | 52.65% | P. R. Nallathambi Gounder | DMK | 3023 |