| Election | Political Party | Elected | Votes | Magnitude |
|---|
| Federal (October 14th, 2008) | .
Conservative Party of Canada/Parti conservateur du Canada post-2003 | Rob Nicholson | 24016 | 1 |
| Federal (August 10th, 1953) | .
Liberal Party of Canada/Parti libéral du Canada | William L Houck | 13400 | 1 |
| Federal (June 10th, 1957) | .
Liberal Party of Canada/Parti libéral du Canada | William L Houck | 12706 | 1 |
| Federal (March 31st, 1958) | .
Liberal Party of Canada/Parti libéral du Canada | William L Houck | 14025 | 1 |
| Federal (June 18th, 1962) | .
Liberal Party of Canada/Parti libéral du Canada | Judy Lamarsh | 18500 | 1 |
| Federal (April 8th, 1963) | .
Liberal Party of Canada/Parti libéral du Canada | Judy Lamarsh | 18749 | 1 |
| Federal (November 8th, 1965) | .
Liberal Party of Canada/Parti libéral du Canada | Judy Lamarsh | 17794 | 1 |
| Federal (June 25th, 1968) | .
Liberal Party of Canada/Parti libéral du Canada | Joe Greene | 17183 | 1 |
| Federal (October 30th, 1972) | .
Progressive Conservative Party of Canada/Parti progressiste-conservateur du Canada | Joe Hueglin | 15701 | 1 |
| Federal (July 8th, 1974) | .
Liberal Party of Canada/Parti libéral du Canada | Roger Young | 20618 | 1 |
| Federal (May 22nd, 1979) | .
Progressive Conservative Party of Canada/Parti progressiste-conservateur du Canada | Jacob M Froese | 16916 | 1 |
| Federal (February 18th, 1980) | .
Liberal Party of Canada/Parti libéral du Canada | Al MacBain | 15871 | 1 |
| Federal (September 4th, 1984) | .
Progressive Conservative Party of Canada/Parti progressiste-conservateur du Canada | Rob Nicholson | 22852 | 1 |
| Federal (November 21st, 1988) | .
Progressive Conservative Party of Canada/Parti progressiste-conservateur du Canada | Rob Nicholson | 17077 | 1 |
| Federal (October 25th, 1993) | .
Liberal Party of Canada/Parti libéral du Canada | Gary Pillitteri | 20567 | 1 |
| Federal (June 2nd, 1997) | .
Liberal Party of Canada/Parti libéral du Canada | Gary Pillitteri | 15868 | 1 |
| Federal (November 27th, 2000) | .
Liberal Party of Canada/Parti libéral du Canada | Gary Pillitteri | 17907 | 1 |
| Federal (June 28th, 2004) | .
Conservative Party of Canada/Parti conservateur du Canada post-2003 | Rob Nicholson | 19882 | 1 |
| Federal (January 23rd, 2006) | .
Conservative Party of Canada/Parti conservateur du Canada post-2003 | Rob Nicholson | 23485 | 1 |
| Federal (May 2nd, 2011) | .
Conservative Party of Canada/Parti conservateur du Canada post-2003 | Rob Nicholson | 28748 | 1 |
| Federal (October 19th, 2015) | .
Conservative Party of Canada/Parti conservateur du Canada post-2003 | Rob Nicholson | 27235 | 1 |
| Federal (October 21st, 2019) | .
Conservative Party of Canada/Parti conservateur du Canada post-2003 | Tony Baldinelli | 24751 | 1 |
Niagara Falls (Ontario)