| Harur Constituency |
| Harur (S) Assembly Election Result 2021 | ||
| Candidate Names | Party | Votes |
| V. Sampathkumar | ADMK (Won) | 99061 |
| A.Kumar | CPM | 68699 |
| R.R.Murugan | AMMK | 14327 |
| S.Jothikumar | IJK | 282 |
| K. Keerthana | NTK | 10950 |
| Harur Constituency Population - 2021 | |||
| Male | Female | Transgender | Total |
| 1,24,543 | 1,24,062 | 14 | 2,48,619 |
| Tamil Nadu Ministers List - 2021 |
| Full Details of Tamil Nadu Ministers 2021 |
| 2019 By Election Candidate List | ||
| Name | Party | Votes |
| Sampath Kumar | ADMK (Won) | 88632 |
| Krishna Kumar | DMK | 79238 |
| Murugan | AMMK | 20282 |
| 2016 Election Result | ||
| Name | Party | Votes |
| R.MURUGAN | ADMK(Won) | 64,568 |
| S.RAJENDRAN | DMK | 53,147 |
| K.GOVINDHASAMY | VCK | 33,632 |
| 2011 Election Result | ||
| Name | Party | Votes |
| Dillibabu.P (Winner) | CPM | 77,703 |
| Nandhan.B.M (Runner UP) | VCK | 51,200 |
| Harur Constituency | ||
| MLA Name | Duration | Parties |
| A. Duraisamy Gounder and Nanjappan | 1952 | INC |
| M. K. Mariappan and P. M. Munusami Gounder | 1957 | INC |
| C. Manickam | 1962 | DMK |
| N. Theerthagiri | 1967 | INC |
| S.A. Chinnaraju | 1971-77 | DMK |
| M. Annamalai | 1977-80 | CPI |
| C. Sabapathy | 1980-84 | ADMK |
| R. Rajamanickam | 1984-89 | ADMK |
| M. Annamalai | 1989-91 | CPI(M) |
| P. Abaranji | 1991-96 | INC |
| Vedammal | 1996-01 | DMK |
| V. Krishnamoorthy | 2001-06 | CPI |
| P. Dillibabu | 2006-2011 | CPI(M) |
| P. Dillibabu | 2011-Incumbent | CPI(M) |
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