| Election | Political Party | Elected | Votes | Magnitude |
|---|
| Ontario (December 1st, 1926) | .
Conservative Party of Ontario | Thomas William Jutten | 9784 | 1 |
| Ontario (October 30th, 1929) | .
Conservative Party of Ontario | Thomas William Jutten | 7568 | 1 |
| Ontario (June 19th, 1934) | .
Ontario Liberal Party | William Frederick Schwenger | 11250 | 1 |
| Ontario (October 6th, 1937) | .
Ontario Liberal Party | William Frederick Schwenger | 11959 | 1 |
| Ontario (August 4th, 1943) | .
Co-operative Commonwealth Federation | Robert Desmond Thornberry | 8592 | 1 |
| Ontario (June 4th, 1945) | .
Co-operative Commonwealth Federation | Robert Desmond Thornberry | 8451 | 1 |
| Ontario (June 7th, 1948) | .
Co-operative Commonwealth Federation | Robert Desmond Thornberry | 10561 | 1 |
| Ontario (November 22nd, 1951) | .
Progressive Conservative Party of Ontario | William K Warrender | 7753 | 1 |
| Ontario (June 9th, 1955) | .
Progressive Conservative Party of Ontario | William K Warrender | 8427 | 1 |
| Ontario (June 11th, 1959) | .
Progressive Conservative Party of Ontario | William K Warrender | 7287 | 1 |
| Ontario (September 25th, 1963) | .
Progressive Conservative Party of Ontario | Ada Pritchard | 7533 | 1 |
| Ontario (October 17th, 1967) | .
Ontario New Democratic Party | Norman A Davison | 8922 | 1 |
| Ontario (October 21st, 1971) | .
Ontario New Democratic Party | Norman A Davison | 8018 | 1 |
| Ontario (September 18th, 1975) | .
Ontario New Democratic Party | Mike Davidson | 8114 | 1 |
| Ontario (June 9th, 1977) | .
Ontario New Democratic Party | Mike Davison | 8216 | 1 |
| Ontario (March 19th, 1981) | .
Ontario Liberal Party | Sheila Copps | 9734 | 1 |
| Ontario (May 2nd, 1985) | .
Ontario Liberal Party | Lily Oddie Munro | 9184 | 1 |
| Ontario (September 10th, 1987) | .
Ontario Liberal Party | Lily Oddie Munro | 13636 | 1 |
| Ontario (September 6th, 1990) | .
Ontario New Democratic Party | David Christopherson | 14029 | 1 |
| Ontario (June 8th, 1995) | .
Ontario New Democratic Party | David Christopherson | 8012 | 1 |
| Ontario (October 10th, 2007) | .
Ontario New Democratic Party | Andrea Horwath | 17176 | 1 |
| Ontario (October 6th, 2011) | .
Ontario New Democratic Party | Andrea Horwath | 20586 | 1 |
| Ontario (June 12th, 2014) | .
Ontario New Democratic Party | Andrea Horwath | 18699 | 1 |
| Ontario (June 7th, 2018) | .
Ontario New Democratic Party | Andrea Horwath | 23866 | 1 |
