David Johnston Elections contested
Parliament Member page for David Johnston
Elections listed as contested and won are those forming part of any general election or by-election contested since since the 2010 general election. A person may have contested an election outside of this grouping.
| Election | Constituency | Election type | Party | Vote count | Vote share | Position |
| 4 July 2024 | Didcot and Wantage | General election | Con | - | - | - |
| 12 December 2019 | Wantage | General election | Con | 34,085 | 50.7% | 1st |