15 elections on record · ADMK dominant · 15 total
Thondamuthur is an Assembly constituency in Tamil Nadu. It has participated in 15 elections from 1962 to 2026. ADMK is the historically dominant party with 9 wins out of 15 elections.
| Year | Winner | Party | Votes | Vote % | Runner-up | Party | Margin |
|---|---|---|---|---|---|---|---|
| 2026 | S. P. Velumani | ADMK | 93316 | 36.09% | K. P. R. Sathish | TVK | 14725 |
| 2021 | S. P. Velumani | ADMK | 124225 | 53.89% | Karthikeya Sivasenapathy | DMK | 41630 |
| 2016 | Velumani S.P. | ADMK | 109519 | 55.01% | Kovai Syed | MMK | 64041 |
| 2011 | S. P. Velumani | AIADMK | 99886 | 62.4% | Kandaswamy M N | INC | 53203 |
| 2006 | C. Ponnudurai | ADMK | 59631 | 43.37% | N. Periyasamy | CPI | 8578 |
| 2001 | K.S. Palanisamy | AIADMK | 72133 | 57.88% | N. Govindaswamy | CNMK | 31712 |
| 1996 | N. Periyasamy | CPI | 60587 | 49.79% | P. Periyasamy | ADMK | 17551 |
| 1991 | V. N. Subramanian | ADMK | 77277 | 70.28% | T.K. Naliappan | CPI | 53217 |
| 1989 | V. N. Subramanian | ADK(J) | 39654 | 34.89% | R. Arumugam | INC | 14698 |
| 1984 | A. Ponnusamy | AIADMK | 60830 | 64.34% | T. K. Nallappan | CPI | 28365 |
| 1980 | Nallapan. T. K. | CPI | 44210 | 54.69% | Jaganathan. N. K. P. | INC | 11667 |
| 1977 | A. Ponnusamy | AIADMK | 30574 | 39.91% | N. K. Palanisamy | CPI | 6042 |
| 1971 | M. Subramanian | DMK | 47809 | 61.16% | K. P. Muthusamy | INC | 17451 |
| 1967 | M. Chinnaswamy | DMK | 45471 | 59.14% | P. Arjunan | INC | 19663 |
| 1962 | V. Sankaran | INC | 32801 | 54.60% | S. Devasahayam | FL | 17356 |