15 elections on record · DMK dominant · 15 total
Athoor 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 | I. Periyasamy | DMK | 106240 | 44.79% | N. Kalaiselvi | TVK | 22348 |
| 2021 | I. Periyasamy | DMK | 165809 | 72.11% | M Thilagabama | PMK | 135571 |
| 2016 | Periyasamy I | DMK | 121738 | 53.10% | Viswanathan R Natham | ADMK | 27147 |
| 2011 | I. Periyasamy | DMK | 112751 | 59.58% | Balasubramani S | DMDK | 53932 |
| 2006 | M. Anbalakan | DMK | 57181 | 47.76% | S. Prema | ADMK | 10909 |
| 2001 | M. Chinnasamy | AIADMK | 63611 | 55.65% | T. Poovendhan | DMK | 20487 |
| 1996 | T. Poovendhan | DMK | 68246 | 57.87% | P. Karuppuchamy | ADMK | 36660 |
| 1991 | A. Subburathinam | ADMK | 70404 | 68.14% | V. Balasekar | CPI(M) | 39813 |
| 1989 | N. Palanivel | CPI(M) | 34379 | 33.21% | B. Panneerselvam | INC | 2855 |
| 1984 | A. S. Ponnammal | INC | 62344 | 66.27% | N. Palanivel | CPI(M) | 31550 |
| 1980 | N. Palanivel | CPI(M) | 41874 | 53.12% | Mani. S. R. P. | INC | 6228 |
| 1977 | N. Palanivel | CPI(M) | 23810 | 34.53% | S. R. P. Mani | INC | 3844 |
| 1971 | Gopal K. P. | INC | 34483 | 48.87% | Chellathurai P. S. | DMK | 677 |
| 1967 | Rajangam | DMK | 41440 | 59.66% | N. S. K. S. Pandiaraj | INC | 13415 |
| 1962 | S. Nanjunda Roy | INC | 30394 | 48.58% | V. Madanagopal | CPI | 5223 |