15 elections on record · DMK dominant · 15 total
Udumalaipettai is an Assembly constituency in Tamil Nadu. It has participated in 15 elections from 1962 to 2026. DMK is the historically dominant party with 7 wins out of 15 elections.
| Year | Winner | Party | Votes | Vote % | Runner-up | Party | Margin |
|---|---|---|---|---|---|---|---|
| 2026 | M. Jayakumar | DMK | 68549 | 33.67% | K. Radhakrishnan | ADMK | 2882 |
| 2021 | Udumalai K. Radhakrishnan | ADMK | 96893 | 49.85% | K. Thennarsu | INC | 21895 |
| 2016 | Radhakrishnan K | ADMK | 81817 | 44.73% | Muthu Mu. Ka | DMK | 5687 |
| 2011 | Pollachi Jayaraman V | AIADMK | 95477 | 60.87% | Ilamparrithi T | KNMK | 44560 |
| 2006 | L. P. Dharmalingam | DMK | 56035 | 46.28% | T. K. Subramaniam | MDMK | 15894 |
| 2001 | K.R. Kandasamy | AIADMK | 54252 | 52.21% | S.K. Rajendran | DMK | 33434 |
| 1996 | S.K. Rajendran | DMK | 50885 | 48.65% | T.R. Attiannan | ADMK | 8784 |
| 1991 | A.T. Saraswathi | ADMK | 63739 | 67.21% | T.K. Subramaniam | DMK | 36938 |
| 1989 | T. K. Subramaniam | DMK | 30535 | 31.66% | S. K. Palanisamy | ADK(J) | 1087 |
| 1984 | E. V. K. S. Elangovan | INC | 50725 | 62.97% | Subramaniam T. K. | DMK | 25719 |
| 1980 | Rangasamy. R. | AIADMK | 35096 | 50.04% | Rasappa. C. R. | INC | 60 |
| 1977 | K. A. Sengottaian | AIADMK | 21145 | 35.81% | C. R. Rajappa | INC | 1506 |
| 1971 | Nachimuthu Goundar N. | DMK | 40845 | 58.99% | Palaniyappan A. P. | INC | 13191 |
| 1967 | N. Gounder | DMK | 39817 | 55.55% | A. P. Palaniappan | INC | 8864 |
| 1962 | V. S. S. Mani | DMK | 34632 | 50.30% | M. A. B. Arumugasamy | INC | 5496 |