CONSTITUENCY RESULT : Dartford
| Candidate name | Party | Gender | Number of votes | Share (%) | Change vs. 2017 for party (percentage points) | ||
| Gareth Johnson | Conservative | Male | 34,006 | 62.9% | +5.4 | ||
| Sacha Gosine | Labour | Male | 14,846 | 27.5% | -5.8 | ||
| Kyle Marsh | Liberal Democrat | Male | 3,736 | 6.9% | +4.3 | ||
| Mark Lindop | Green | Male | 1,435 | 2.7% | +1.2 |
| Election statistics | ||
| Majority | ||
| Votes | 19,160 | |
| Percent | 35.5% | |
| Rank (1 = highest %) | 180 | |
| Turnout | ||
| Constituency | 65.7% | |
| Region | 70.2% | |
| UK | 67.3% | |
| Constituency in 2017 | 69.1% | |
| Size of electorate | 82,209 | |
| Valid votes cast | 54,023 |