| Election | Political Party | Elected | Votes | Magnitude |
|---|
| Federal (October 14th, 2008) | .
Conservative Party of Canada/Parti conservateur du Canada post-2003 | Bev Oda | 28551 | 1 |
| Federal (November 3rd, 1904) | .
Conservative Party of Canada/Parti conservateur du Canada to 1942 | Henry Alfred Ward | 3322 | 1 |
| Federal (October 26th, 1908) | .
Conservative Party of Canada/Parti conservateur du Canada to 1942 | Charles Jonas Thornton | 3387 | 1 |
| Federal (September 21st, 1911) | .
Conservative Party of Canada/Parti conservateur du Canada to 1942 | Charles Jonas Thornton | 3291 | 1 |
| Federal (December 17th, 1917) | .
Government (Unionist) | Newton Wesley Rowell | 5923 | 1 |
| Federal (December 6th, 1921) | .
Conservative Party of Canada/Parti conservateur du Canada to 1942 | Fred William Bowen | 5106 | 1 |
| Federal (October 29th, 1925) | .
Conservative Party of Canada/Parti conservateur du Canada to 1942 | Fred Wellington Bowen | 7020 | 1 |
| Federal (September 14th, 1926) | .
Conservative Party of Canada/Parti conservateur du Canada to 1942 | Fred Wellington Bowen | 6508 | 1 |
| Federal (July 28th, 1930) | .
Conservative Party of Canada/Parti conservateur du Canada to 1942 | Fred Wellington Bowen | 6827 | 1 |
| Federal (October 14th, 1935) | .
Liberal Party of Canada/Parti libéral du Canada | Wilbert Franklin Rickard | 6649 | 1 |
| Federal (March 26th, 1940) | .
Liberal Party of Canada/Parti libéral du Canada | Wilbert Franklin Rickard | 6743 | 1 |
| Federal (June 11th, 1945) | .
Progressive Conservative Party of Canada/Parti progressiste-conservateur du Canada | Charles Elwood Stephenson | 6479 | 1 |
| Federal (June 27th, 1949) | .
Liberal Party of Canada/Parti libéral du Canada | John Mason James | 6907 | 1 |
| Federal (August 10th, 1953) | .
Liberal Party of Canada/Parti libéral du Canada | John Mason James | 6684 | 1 |
| Federal (June 10th, 1957) | .
Progressive Conservative Party of Canada/Parti progressiste-conservateur du Canada | Percy Vivian | 7331 | 1 |
| Federal (March 31st, 1958) | .
Progressive Conservative Party of Canada/Parti progressiste-conservateur du Canada | Percy Vivian | 9732 | 1 |
| Federal (June 18th, 1962) | .
Liberal Party of Canada/Parti libéral du Canada | Russell Clayton Honey | 7971 | 1 |
| Federal (April 8th, 1963) | .
Liberal Party of Canada/Parti libéral du Canada | Russell Clayton Honey | 8720 | 1 |
| Federal (November 8th, 1965) | .
Liberal Party of Canada/Parti libéral du Canada | Russell Clayton Honey | 8017 | 1 |
| Federal (May 22nd, 1979) | .
Progressive Conservative Party of Canada/Parti progressiste-conservateur du Canada | Allan Frederick Lawrence | 21502 | 1 |
| Federal (February 18th, 1980) | .
Progressive Conservative Party of Canada/Parti progressiste-conservateur du Canada | Allan Frederick Lawrence | 17587 | 1 |
| Federal (September 4th, 1984) | .
Progressive Conservative Party of Canada/Parti progressiste-conservateur du Canada | Allan Frederick Lawrence | 24968 | 1 |
| Federal (November 21st, 1988) | .
Progressive Conservative Party of Canada/Parti progressiste-conservateur du Canada | Ross Stevenson | 24065 | 1 |
| Federal (October 25th, 1993) | .
Liberal Party of Canada/Parti libéral du Canada | Alex Shepherd | 22383 | 1 |
| Federal (June 2nd, 1997) | .
Liberal Party of Canada/Parti libéral du Canada | Alex Shepherd | 19878 | 1 |
| Federal (November 27th, 2000) | .
Liberal Party of Canada/Parti libéral du Canada | Alex Shepherd | 20602 | 1 |
| Federal (January 23rd, 2006) | .
Conservative Party of Canada/Parti conservateur du Canada post-2003 | Bev Oda | 27087 | 1 |
| Federal (May 2nd, 2011) | .
Conservative Party of Canada/Parti conservateur du Canada post-2003 | Bev Oda | 31737 | 1 |
| Federal (October 19th, 2015) | .
Conservative Party of Canada/Parti conservateur du Canada post-2003 | Erin O'Toole | 28967 | 1 |
| Federal (October 21st, 2019) | .
Conservative Party of Canada/Parti conservateur du Canada post-2003 | Erin O'Toole | 30752 | 1 |
Durham (Ontario)