Constituency
Mitcham and Morden
At a glance
The MP for Mitcham and Morden is Dame Siobhain McDonagh (Labour), who has held the seat since at least 2010, the earliest election our results cover. At the 2024 general election the seat was a Lab hold: she took 55.4% of the vote for a majority of 18,761, on a 58.6% turnout. Compared with the 2019 general election, the Labour share of the vote was down 5.7 points, and turnout fell from 65.3%.
2024 general election result
Majority 18,761 · Turnout 58.6% · Electorate 77,282
| Candidate | Party | Votes | Share |
|---|---|---|---|
| Siobhain McDonagh | Labour | 25,085 | 55.4% |
| Ellie Cox | Conservative | 6,324 | 14% |
| Pippa Maslin | Green Party | 4,635 | 10.2% |
| Ruth Price | Reform UK | 4,135 | 9.1% |
| Jenifer Gould | Liberal Democrat | 3,622 | 8% |
| Mehmood Jamshed | Workers Party of Britain | 1,091 | 2.4% |
| Desmond Coke | Christian Peoples Alliance | 363 | 0.8% |
Past election results
Every General Election and by-election in this seat, newest first. Open one for the full candidate list.
| Election | Winner | Result | Majority |
|---|---|---|---|
| 2024 | Siobhain McDonagh (Lab) | Lab hold | 18,761 |
| 2019 | Siobhain McDonagh (Lab) | Lab hold | 16,482 |
| 2017 | Siobhain McDonagh (Lab) | Lab hold | 21,375 |
| 2015 | Siobhain McDonagh (Lab) | Lab hold | 16,922 |
| 2010 | Siobhain McDonagh (Lab) | Lab hold | 13,666 |
Members for this seat
Everyone who has won the seat at the elections in our records, which begin with the 2010 general election. Members before then are not shown.
| Member | Party | Period |
|---|---|---|
| Dame Siobhain McDonagh | Labour | 2010 to present |
Source: 2024 general election result from the official Parliament constituency profile.