| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| Labour | Jim McMahon | 17,209 | 62.1 | +7.3 | |
| UKIP | John Bickley | 6,487 | 23.4 | +2.8 | |
| Conservative | James Daly | 2,596 | 9.3 | -9.6 | |
| Liberal Democrat | Jane Brophy | 1,024 | 3.7 | 0.0 | |
| Green | Simeon Hart | 249 | 0.9 | -1.0 | |
| Monster Raving Loony | Sir Oink A-Lot | 141 | 0.5 | N/A | |
| Majority | 10,722 | 38.7 | +4.5 | ||
| Turnout | 27,706 | 40.3 | -19.3 | ||
| Labour hold | Swing | +2.3 | |||
Oldham West & Royton by election RESULT 3rd December 2015
