CONSTITUENCY RESULT : Hemel Hempstead
| Candidate name | Party | Gender | Number of votes | Share (%) | Change vs. 2017 for party (percentage points) | ||
| Mike Penning | Conservative | Male | 28,968 | 56.5% | +1.5 | ||
| Nabila Ahmed | Labour | Female | 14,405 | 28.1% | -8.8 | ||
| Sammy Barry | Liberal Democrat | Female | 6,317 | 12.3% | +6.1 | ||
| Sherief Hassan | Green | Male | 1,581 | 3.1% | +1.1 |
| Election statistics | ||
| Majority | ||
| Votes | 14,563 | |
| Percent | 28.4% | |
| Rank (1 = highest %) | 269 | |
| Turnout | ||
| Constituency | 69.3% | |
| Region | 68.2% | |
| UK | 67.3% | |
| Constituency in 2017 | 70.3% | |
| Size of electorate | 74,035 | |
| Valid votes cast | 51,271 |