Ohio's 6th senatorial district has always been based in Dayton, Ohio. It consists of about two-thirds of Montgomery County. It encompasses Ohio House districts 40, 41 and 42. It has a Cook PVI of R+9. Its current Ohio Senator is Republican Niraj Antani. He resides in Miamisburg, Ohio, a city located in Montgomery County, Ohio.
| Senator | Party | Term | Notes | ||
|---|---|---|---|---|---|
| David Holcomb | Republican | January 3, 1967 – December 31, 1972 | Holcomb lost re-election in 1972 to Tony Hall. | ||
| Tony P. Hall | Democrat | January 3, 1973 – January 1, 1979 | Hall was elected to the United States Congress in 1978. | ||
| Chuck Curran | Democrat | January 9, 1979 – December 13, 1982 | Curran resigned to become a Commissioner for Montgomery County, Ohio. | ||
| Tom Fries | Democrat | December 13, 1982 – March 6, 1984 | Fries resigned prior to the expiration of his term. | ||
| Tom Talbott | Democrat | March 6, 1984 – December 31, 1984 | Talbott lost re-election in 1984 to Chuck Horn. | ||
| Chuck Horn | Republican | January 3, 1985 – December 31, 2000 | Horn was term-limited in 2000. | ||
| Jeff Jacobson | Republican | January 3, 2001 – October 18, 2008 | Jacobson resigned prior to the expiration of his term. | ||
| Peggy Lehner | Republican | November 18, 2008 – December 31, 2008 | Lehner served out the remainder of Jacobson's term until Senator-elect Jon Husted was seated. | ||
| Jon Husted | Republican | January 5, 2009 – January 10, 2011 | Husted won election as Ohio Secretary of State in 2010. | ||
| Peggy Lehner | Republican | January 11, 2011 – December 31, 2020 | Lehner was term-limited in 2020. | ||
| Niraj Antani | Republican | January 4, 2021 – Present | Incumbent |