CONSTITUENCY RESULT : Midlothian
| Candidate name | Party | Gender | Number of votes | Share (%) | Change vs. 2017 for party (percentage points) | ||
| Owen Thompson | Scottish National Party | Male | 20,033 | 41.5% | +7.1 | ||
| Danielle Rowley | Labour | Female | 14,328 | 29.7% | -6.6 | ||
| Rebecca Fraser | Conservative | Female | 10,467 | 21.7% | -3.7 | ||
| Steve Arrundale | Liberal Democrat | Male | 3,393 | 7.0% | +3.2 |
| Election statistics | ||
| Majority | ||
| Votes | 5,705 | |
| Percent | 11.8% | |
| Rank (1 = highest %) | 475 | |
| Turnout | ||
| Constituency | 68.4% | |
| Region | 68.1% | |
| UK | 67.3% | |
| Constituency in 2017 | 66.3% | |
| Size of electorate | 70,544 | |
| Valid votes cast | 48,221 |