Every Assembly by-election held in Tamil Nadu since the May 2026 general election, with a full results page for each seat: the winner, the margin, every candidate’s EVM and postal votes, the round-by-round count, and how the same seat voted in May 2026 and in 2021.
2
By-elections held
2 / 2
Won by TVK
5
Seats still vacant
Results
| Seat | District | Polled | Winner | Margin | May 2026 |
|---|---|---|---|---|---|
| Dharapuram (AC 101) | Tiruppur | 6 October 2026 | P. Sathyabama (TVK) | 9,471 (5.25%) | AIADMK by 16,727 |
| Madurantakam (AC 35) | Chengalpattu | 6 October 2026 | K. Maragatham Kumaravel (TVK) | 20,040 (10.82%) | AIADMK by 7,194 |
Seats still vacant
No poll dates have been announced for these seats. Each will get a results page here when it votes.
| AC | Seat | May 2026 winner | Status |
|---|---|---|---|
| 103 | Perundurai | S. Jayakumar (AIADMK) | Election petition pending |
| 135 | Karur | M. R. Vijayabhaskar (AIADMK) | Vacant, no poll date |
| 141 | Tiruchirappalli (East) | C. Joseph Vijay (TVK) | Vacant, no poll date (C. Joseph Vijay kept Perambur) |
| 179 | Viralimalai | C. Vijayabaskar (AIADMK) | Vacant, no poll date |
| 225 | Ambasamudram | Dr. Esakki Subaya (AIADMK) | Vacant, no poll date |
For the analysis, comparisons and charts, see Tamil Nadu by-elections 2026 and the bypoll dashboard. For the general election, see the results for all 234 seats.