| Harbour Constituency |
| Harbour Assembly Election Result 2021 | ||
| Candidate Names | Party | Votes |
| A. Ramesh | MNM | 3758 |
| P.K. Sekar Babu | DMK (Won) | 59073 |
| Santhanakrishnan | AMMK | 771 |
| Vinoj P Selvam | BJP | 31971 |
| AHAMED FAZIL. M | NTK | 3345 |
| Harbour Constituency Population - 2021 | |||
| Male | Female | Transgender | Total |
| 91,936 | 84,281 | 55 | 1,76,272 |
| Tamil Nadu Ministers List - 2021 |
| Full Details of Tamil Nadu Ministers 2021 |
| 2016 Election Result | ||
| Name | Party | Votes |
| Sekar Babu P K | DMK (Won) | 42,071 |
| K S Sreenivasan | ADMK | 37,235 |
| Krishnakumar Nadhani | BJP | 13,357 |
| 2011 Election Result | ||
| Name | Party | Votes |
| Karuppiah.Pala (Winner) | AIADMK | 53,920 |
| Altaf Hussain (Runner UP) | DMK | 33,603 |
| Harbour Constituency | ||
| MLA Name | Duration | Parties |
| U. Krishna Rao | 1952 | INC |
| U. Krishna Rao | 1957 | INC |
| K. S. G. Haja Sahriff | 1962 | INC |
| A. M. Mohideen | 1967 | Independent |
| A. Selvarajan | 1971 | DMK |
| A. Selvarajan | 1977 | DMK |
| A. Rahman Khan | 1980 | DMK |
| M. Karunanidhi | 1984 | DMK |
| M. Karunanidhi | 1989 | DMK |
| K. Anbazhagan | 1991 | DMK |
| K. Anbazhagan | 1996 | DMK |
| K. Anbazhagan | 2001 | DMK |
| Pala. Karuppiah | ADMK | |
| H. Baig | 1967 | Independent |
JB Soft System