14 elections on record · INC dominant · 14 total
Killiyoor is an Assembly constituency in Tamil Nadu. It has participated in 14 elections from 1962 to 2026. INC is the historically dominant party with 7 wins out of 14 elections.
| Year | Winner | Party | Votes | Vote % | Runner-up | Party | Margin |
|---|---|---|---|---|---|---|---|
| 2026 | S. Rajeshkumar | INC | 66434 | 37.42% | S. Sabin | TVK | 1311 |
| 2021 | S. Rajeshkumar | INC | 101541 | 59.76% | K. V. Jude Dev | ADMK | 55400 |
| 2016 | S. Rajesh Kumar | INC | 77356 | 50.47% | Pon. Vijayaragavan | BJP | 46295 |
| 2011 | John Jacob S | INC | 56932 | 41.69% | Chandra Kumar T | BJP | 24486 |
| 2006 | S. John Jacob | INC | 51016 | 55.51% | T. Chandra Kumar | ADMK | 22867 |
| 2001 | Dr. Kumaradas | TMC(M) | 40075 | 49.16% | C. Santhakumar | BJP | 13760 |
| 1996 | Kumaradas | TMC | 33227 | 41.24% | C. Santhakumar | BJP | 10417 |
| 1991 | D. Kumaradas | JD | 26818 | 34.25% | Pon. Robert Singh | INC | 1168 |
| 1989 | Pon Vijayaraghavan | IND | 30127 | 39.53% | A. Jeyaraj | DMK | 9831 |
| 1984 | D. Kumaradas | JP | 36944 | 58.24% | Pauliah. A. | INC | 11486 |
| 1980 | P. Vijayaraghavan | JP | 31521 | 54.28% | Russel Raj C. | DMK | 14830 |
| 1977 | Pon. Vijayaraghavan | JP | 34237 | 79.2% | K. Thankaraj | INC | 25928 |
| 1971 | N. Dennis | INC | 34573 | 62.25% | Russel Raj. C | DMK | 14032 |
| 1967 | William | INC | 21423 | 42.4% | Paniadimai | SWA | 5656 |
| 1962 | — Pre-delimitation / data unavailable | ||||||