Mitcham and Morden: MP, 2024 result and local figures
Mitcham and Morden is represented in the House of Commons by Dame Siobhain McDonagh (Labour). The 2024 count gave Siobhain McDonagh (Labour) 25,085 votes and Ellie Cox (Conservative) 6,324, a majority of 18,761. 45,255 valid votes were cast by an electorate of 77,282, 58.6% of those registered.
Key figures
What the figures show
On the official figures, Mitcham and Morden has the 44th highest population density (2021) of the 575 constituencies with this figure (6,624.8 per sq km), and the 45th highest population of the 575 constituencies with this figure (126,180).
In mid-2024 the ONS put the number of residents at 126,180; the estimate for 2014 was 120,891. There were more children under 16 (24,345) than residents aged 65 and over (15,771).
HM Land Registry sales put the middle house price at £470,000 for the year to March 2026. Ten years earlier, in the year to March 2016, it was £357,500. It ranks 83rd highest of 575 constituencies. 784 sales were registered in the period, against 1,174 in the year to March 2025.
Median annual pay for full-time work was £36,308 for jobs in Mitcham and Morden and £42,743 for its residents (April 2025, ASHE). In April 2024 the residents' figure was £37,350. The residents' figure ranks 148th highest of 632 constituencies with an estimate. The latest year is provisional.
DWP figures count 7,254 children under 16 in relative low income families after housing costs in 2024/25, 29.8% of children here against 26.0% across the UK. On the before-housing-costs measure it fell from 16.2% in 2021/22 to 16.1% in 2024/25.
Workplaces in Mitcham and Morden accounted for 23,000 jobs in 2024; the business register lists 5,205 local units for March 2026.
Census 2021: 44,823 households, 6,624.8 people per square kilometre, 31.7% of workers based at home, 13.1% of adults retired.
Survey estimates for April 2025 to March 2026 have 76.3% of working-age residents in employment, within a margin of 6.9 points. 15.1% were economically inactive.
The number of people claiming unemployment-related benefits stood at 5,020 in September 2026, a claimant rate of 5.8%. September 2025 had 5,170.
MP
Dame Siobhain McDonagh, Labour
- MP for Mitcham and Morden since 4 July 2024
- In the House of Commons since 1 May 1997
Official UK Parliament page · Statements by Dame Siobhain McDonagh on this site
In Parliament
Hansard records these as Dame Siobhain McDonagh's latest words in Parliament, from 9 September 2026 to 21 October 2026. Hansard search returns 167 spoken contributions by Dame Siobhain McDonagh since 4 July 2024.
Is the hon. Member aware that University College London published data this week indicating that almost three quarters of delivery riders surveyed are concerned about their own bike battery catching fire, while one in 10 had personally experienced overheating?
Is the hon. Gentleman aware that illegal e-bike battery fires in the Metropolitan police’s own pounds have cost the force half a million pounds? It confiscated 3,000 illegal e-bikes in the last year.
I call the Lib Dem spokesperson. You have five minutes.
I apologise; I did not see you, John. I will reduce the Minister’s time so that you can speak.
Q5. In a capital city still scarred by the loss of 72 lives in the Grenfell fire, we have a second equally flammable and deadly risk.
Read in Hansard (opening words; the full contribution is longer)
Read from the Hansard API on 28 October 2026. Up to two items per debate; remarks under 40 characters are left out. All contributions in Hansard.
General election, 4 July 2024
| Candidate | Party | Votes | Share | Change in share |
|---|---|---|---|---|
| Siobhain McDonagh | Labour | 25,085 | 55.4% | −2.0 |
| Ellie Cox | Conservative | 6,324 | 14.0% | −12.7 |
| Pippa Maslin | Green Party | 4,635 | 10.2% | +8.0 |
| Ruth Price | Reform UK | 4,135 | 9.1% | +6.8 |
| Jenifer Gould | Liberal Democrat | 3,622 | 8.0% | −2.8 |
| Mehmood Jamshed | Workers Party of Britain | 1,091 | 2.4% | |
| Desmond Coke | Christian Peoples Alliance | 363 | 0.8% | +0.4 |
Result summary as published: Lab hold. Change in share is in percentage points against the notional 2019 result on the new boundaries. Source: House of Commons Library, election results (data, read 14 October 2026).
Results on these boundaries
| Date | Election | First | Second | Majority | Turnout |
|---|---|---|---|---|---|
| 4 July 2024 | General election | Labour 55.4% | Conservative 14.0% | 18,761 | 58.6% |
| 12 December 2019 | General election (notional result on these boundaries) | Labour 57.5% | Conservative 26.7% | 15,879 | 67.2% |
Only results on the constituency boundaries first used at the 2024 general election are shown. The 2019 figures are the House of Commons Library's notional estimates of how votes cast in 2019 would have fallen on these boundaries, not a result that was declared. Source: House of Commons Library, constituency results.
Councils
Mitcham and Morden lies within Merton.
- Merton E09000024
Who has power over Mitcham and Morden
Every body that makes decisions for Mitcham and Morden, from the street up to the G20. Each one links to its page on the official record. How the ten levels work.
Level 1: Neighbourhood and community power
Residents' and tenants' groups, neighbourhood forums and local policing panels.
Level 2: Parish, town and community councils
Parish, town and community councils, where the area has them, sit below the council.
Level 3: Local councils
Level 4: County councils, combined authorities and metro mayors
- Greater London Authority Greater London Authority
- Metropolitan Police Service police force
- NHS South West London Integrated Care Board NHS
- London in official figures
Level 5: Devolved and state governments
England has no devolved parliament of its own: its laws are made by the UK Parliament.
Level 6: National government
- Mitcham and Morden this page: Dame Siobhain McDonagh (Labour) MP
- All 650 MPs votes, interests and costs
- UK government and Parliament official figures and sources
Level 7: Regional blocs and supranational bodies
- Council of Europe and the European Court of Human Rights (CoE / ECtHR) The UK Government says the United Kingdom was one of the Council of Europe's founding members.
Level 8: The UN and global treaty bodies
- United Nations (General Assembly and Security Council) The UN lists the United Kingdom as a member admitted on 24 October 1945.
- United Nations Security Council (UNSC) The UK is one of the five permanent members of the Security Council and holds the veto, according to the UN.
- NATO NATO lists the United Kingdom among its 12 founding members, which signed the North Atlantic Treaty in Washington, D.C.
- World Health Organization (WHO) WHO's list of member states includes the United Kingdom of Great Britain and Northern Ireland.
- World Trade Organization (WTO) The WTO says the United Kingdom has been a WTO member since 1 January 1995 and a member of GATT since 1 January 1948.
- Commonwealth of Nations The UK is one of the 56 members, one of three European members with Cyprus and Malta, and the Commonwealth Secretariat is headquartered at Marlborough House in London.
Level 9: The IMF, World Bank and global finance
- International Monetary Fund (IMF) The UK has been a member since 27 December 1945 and has a quota of SDR 20,155.1 million (IMF country page for the United Kingdom).
- World Bank Group (WBG) The UK holds 3.75% of voting power in the IBRD (data as of 30 June 2026) and 6.92% in IDA (as of 30 June 2026), according to the World Bank's voting tables.
Level 10: G7, G20, Davos and global forums
Sources
| Figure | Period | Publisher | Read | Links |
|---|---|---|---|---|
| Population | mid-2024 | ONS | 14 October 2026 | data · area |
| Claimants as a share of residents aged 16 to 64 | September 2026 | ONS | 29 October 2026 | data · area |
| Claimant count | September 2026 | ONS | 29 October 2026 | data · area |
| Employment rate, aged 16 to 64 | April 2025 to March 2026 | ONS | 14 October 2026 | data · area |
| Median full-time pay of residents | April 2025 | ONS | 14 October 2026 | data · area |
| Median full-time pay of people working here | April 2025 | ONS | 14 October 2026 | data · area |
| Median house price | the year to March 2026 | ONS | 14 October 2026 | data · release |
| Homes sold | the year to March 2026 | ONS | 14 October 2026 | data · release |
| Children in relative low income families, after housing costs | 2024/25 | DWP | 14 October 2026 | data · release |
| Children in relative low income families, before housing costs | 2024/25 | DWP | 14 October 2026 | data · release |
| Business sites (local units) | March 2026 | ONS | 14 October 2026 | data · area |
| People employed by businesses here | 2024 | ONS | 14 October 2026 | data · area |
| Economically inactive, aged 16 to 64 | April 2025 to March 2026 | ONS | 14 October 2026 | data · area |
| Households | Census 2021 | ONS | 14 October 2026 | data · area |
| Residents per square kilometre | Census 2021 | ONS | 14 October 2026 | data · area |
| Workers mainly working from home | Census 2021 | ONS | 14 October 2026 | data · area |
| Residents aged 16+ who are retired | Census 2021 | ONS | 14 October 2026 | data · area |
"Data" is the file or query each figure was read from (its SHA-256 is in the link title); "area" shows the same table for this constituency alone.
Common questions
Who is the MP for Mitcham and Morden?
Dame Siobhain McDonagh (Labour), elected on 4 July 2024, according to UK Parliament records.
What was the 2024 general election result in Mitcham and Morden?
The House of Commons Library records 25,085 votes for Siobhain McDonagh of Labour and a majority of 18,761; 58.6% of the electorate cast a valid vote.
What is the unemployment claimant rate in Mitcham and Morden?
The ONS claimant count for September 2026 is 5,020, 5.8% of the 16 to 64 population.
What is the average house price in Mitcham and Morden?
£470,000: the middle price of homes sold in the year to March 2026, published by the ONS from Land Registry records.
What is the average salary in Mitcham and Morden?
For full-time employees living here the ONS puts median annual pay at £42,743 (April 2025).
How many children in Mitcham and Morden live in low income families?
7,254 children under 16, 29.8%, after housing costs in 2024/25, according to the Department for Work and Pensions.
What is the population of Mitcham and Morden?
126,180 in mid-2024, the latest ONS estimate.
Built 14 October 2026 from official records; how these pages are compiled. This page lists what the record shows and gives no verdict on the MP or the area. Link moved or figure wrong? Tell us.