CONSTITUENCY RESULT : Southampton Test
| Candidate name | Party | Gender | Number of votes | Share (%) | Change vs. 2017 for party (percentage points) | ||
| Alan Whitehead | Labour | Male | 22,256 | 49.5% | -9.2 | ||
| Steven Galton | Conservative | Male | 16,043 | 35.7% | +1.5 | ||
| Joe Richards | Liberal Democrat | Male | 3,449 | 7.7% | +3.6 | ||
| Philip Crook | Brexit Party | Male | 1,591 | 3.5% | 0.0 | ||
| Katherine Barbour | Green | Female | 1,433 | 3.2% | 0.0 | ||
| Kev Barry | Independent | Male | 222 | 0.5% | 0.0 |
| Election statistics | ||
| Majority | ||
| Votes | 6,213 | |
| Percent | 13.8% | |
| Rank (1 = highest %) | 452 | |
| Turnout | ||
| Constituency | 64.2% | |
| Region | 70.2% | |
| UK | 67.3% | |
| Constituency in 2017 | 66.8% | |
| Size of electorate | 70,116 | |
| Valid votes cast | 44,994 |