CONSTITUENCY RESULT : Buckingham
| Candidate name | Party | Gender | Number of votes | Share (%) | Change vs. 2017 for party (percentage points) | ||
| Greg Smith | Conservative | Male | 37,035 | 58.4% | 0.0 | ||
| Stephen Dorrell | Liberal Democrat | Male | 16,624 | 26.2% | 0.0 | ||
| David Morgan | Labour | Male | 7,638 | 12.0% | 0.0 | ||
| Andrew Bell | Brexit Party | Male | 1,286 | 2.0% | 0.0 | ||
| Ned Thompson | Independent | Male | 681 | 1.1% | 0.0 | ||
| Antonio Vitiello | English Democrats | Male | 194 | 0.3% | 0.0 |
| Election statistics | ||
| Majority | ||
| Votes | 20,411 | |
| Percent | 32.2% | |
| Rank (1 = highest %) | 227 | |
| Turnout | ||
| Constituency | 76.3% | |
| Region | 70.2% | |
| UK | 67.3% | |
| Constituency in 2017 | 66.2% | |
| Size of electorate | 83,146 | |
| Valid votes cast | 63,458 |