CONSTITUENCY RESULT : St Ives
| Candidate name | Party | Gender | Number of votes | Share (%) | Change vs. 2017 for party (percentage points) | ||
| Derek Thomas | Conservative | Male | 25,365 | 49.3% | +6.2 | ||
| Andrew George | Liberal Democrat | Male | 21,085 | 41.0% | -1.6 | ||
| Alana Bates | Labour | Female | 3,553 | 6.9% | -7.3 | ||
| Ian Flindall | Green | Male | 964 | 1.9% | 0.0 | ||
| Robert Smith | Liberal | Male | 314 | 0.6% | 0.0 | ||
| John Harris | The Common People | Male | 132 | 0.3% | 0.0 |
| Election statistics | ||
| Majority | ||
| Votes | 4,280 | |
| Percent | 8.3% | |
| Rank (1 = highest %) | 540 | |
| Turnout | ||
| Constituency | 74.7% | |
| Region | 72.0% | |
| UK | 67.3% | |
| Constituency in 2017 | 76.3% | |
| Size of electorate | 68,795 | |
| Valid votes cast | 51,413 |