| Election | Political Party | Elected | Votes | Magnitude |
|---|
| Federal (December 17th, 1917) | .
Government (Unionist) | Charles Arthur Munson | 6313 | 1 |
| Federal (December 6th, 1921) | .
Conservative Party of Canada/Parti conservateur du Canada to 1942 | Milton Edgar Maybee | 6849 | 1 |
| Federal (October 29th, 1925) | .
Conservative Party of Canada/Parti conservateur du Canada to 1942 | Milton Edgar Maybee | 7815 | 1 |
| Federal (September 14th, 1926) | .
Conservative Party of Canada/Parti conservateur du Canada to 1942 | Milton Edgar Maybee | 8113 | 1 |
| Federal (July 28th, 1930) | .
Liberal Party of Canada/Parti libéral du Canada | William Alexander Fraser | 8436 | 1 |
| Federal (October 14th, 1935) | .
Liberal Party of Canada/Parti libéral du Canada | William Alexander Fraser | 8609 | 1 |
| Federal (March 26th, 1940) | .
Liberal Party of Canada/Parti libéral du Canada | William Alexander Fraser | 8194 | 1 |
| Federal (June 11th, 1945) | .
Progressive Conservative Party of Canada/Parti progressiste-conservateur du Canada | Robert Earle Drope | 7996 | 1 |
| Federal (June 27th, 1949) | .
Liberal Party of Canada/Parti libéral du Canada | Frederick Greystock Robertson | 9374 | 1 |
| Federal (August 10th, 1953) | .
Liberal Party of Canada/Parti libéral du Canada | Frederick Greystock Robertson | 9595 | 1 |
| Federal (June 10th, 1957) | .
Progressive Conservative Party of Canada/Parti progressiste-conservateur du Canada | Ben Thompson | 10062 | 1 |
| Federal (March 31st, 1958) | .
Progressive Conservative Party of Canada/Parti progressiste-conservateur du Canada | Ben Thompson | 12517 | 1 |
| Federal (June 18th, 1962) | .
Progressive Conservative Party of Canada/Parti progressiste-conservateur du Canada | Harry Bradley | 10451 | 1 |
| Federal (April 8th, 1963) | .
Liberal Party of Canada/Parti libéral du Canada | Pauline Jewett | 10343 | 1 |
| Federal (November 8th, 1965) | .
Progressive Conservative Party of Canada/Parti progressiste-conservateur du Canada | George Harris Hees | 10876 | 1 |
| Federal (May 22nd, 1979) | .
Progressive Conservative Party of Canada/Parti progressiste-conservateur du Canada | George Harris Hees | 22536 | 1 |
| Federal (February 18th, 1980) | .
Progressive Conservative Party of Canada/Parti progressiste-conservateur du Canada | George Harris Hees | 17860 | 1 |
| Federal (September 4th, 1984) | .
Progressive Conservative Party of Canada/Parti progressiste-conservateur du Canada | George Harris Hees | 24060 | 1 |
| Federal (November 21st, 1988) | .
Liberal Party of Canada/Parti libéral du Canada | Christine Stewart | 18600 | 1 |
| Federal (October 25th, 1993) | .
Liberal Party of Canada/Parti libéral du Canada | Christine Stewart | 23986 | 1 |
| Federal (June 2nd, 1997) | .
Liberal Party of Canada/Parti libéral du Canada | Christine Stewart | 21182 | 1 |
| Federal (November 27th, 2000) | .
Liberal Party of Canada/Parti libéral du Canada | Paul Macklin | 20109 | 1 |
Northumberland (ON-FED) (Ontario)