Oldham West, Chadderton and Royton
North West · Borough constituency · Oldham borough
About the Oldham West, Chadderton and Royton constituency
Oldham West, Chadderton and Royton is a borough constituency in the North West. The sitting MP is Jim McMahon (Labour (Co-op)), first elected in December 2015. At the 2024 general election, Labour won with 34.3% to 29.3% for other parties, a majority of 4,976 votes on a 50.7% turnout. PollCheck's current projection, at the seven-poll average, has other parties on 29.2% and Reform UK on 26.4%, a margin of 2.8 points - a projected change of hands from Labour.
Who lives in Oldham West, Chadderton and Royton? Constituency demographics
From the 2021 Census and 2016 EU referendum estimates. Constituency-level data on 2024 boundaries.
How did Oldham West, Chadderton and Royton vote in 2024 and how would it vote now?
2024 vote shares from the HoC Library. Current projection is at the 7-poll average.
2024 general election
Current projection
Map of Oldham West, Chadderton and Royton
Switch between GE2024 ward winners (modelled estimates, ~4pp average error) and a demographic view from the 2021 Census. Hover any area for detail. How the map is built ›
Oldham West, Chadderton and Royton within Oldham
Oldham West, Chadderton and Royton sits entirely within Oldham Council. The figures below are from the council elections held on 7 May 2026. About this layer ›
Council overlap
| Council | Share of seat | Projection |
|---|---|---|
| Oldham | 100% | View projection › |
Most recent council ward results
Latest council winner per ward - May 2026 results where the council voted, otherwise the most recent available result. How this table is sourced ›
| Ward | GE2024 winner | Latest council winner | Shift since GE2024 | Turnout |
|---|---|---|---|---|
| Chadderton Central | Labour 35.0%vs Others 28.9% | May 2026 Labour 31.9%vs Reform 26.6% | Labour share -3.2pp | 44.7% |
| Chadderton North | Labour 35.3%vs Others 23.7% | May 2026 Reform 52.9%vs Labour 23.8% | Labour→Reform +22.0pp | 47.3% |
| Chadderton South | Labour 35.4%vs Others 23.7% | May 2026 Reform 48.4%vs Labour 18.7% | Labour→Reform +22.1pp | 41.8% |
| Coldhurst | Others 46.5%vs Labour 28.9% | May 2026 Others 44.4%vs Labour 32.2% | Others→Others +45.5pp | 45.9% |
| Hollinwood | Labour 35.5%vs Others 24.9% | May 2026 Reform 39.9%vs Labour 23.5% | Labour→Reform +15.7pp | 41.8% |
| Medlock Vale | Labour 35.2%vs Others 29.6% | May 2026 Labour 34.9%vs Reform 26.8% | Labour share -0.3pp | 40.5% |
| Royton North | Labour 32.0%vs Others 28.2% | May 2026 Reform 59.0%vs Labour 13.8% | Labour→Reform +28.5pp | 50.1% |
| Royton South | Labour 35.3%vs Others 23.1% | May 2026 Reform 55.1%vs Labour 18.5% | Labour→Reform +25.3pp | 44.8% |
| Werneth | Others 35.9%vs Labour 35.7% | May 2026 Others 50.0%vs Labour 35.5% | Others→Others +43.0pp | 51.3% |
Projection trajectory
PollCheck's projection for Oldham West, Chadderton and Royton at each of the last 60 GB polls. Hover the chart for the underlying poll details.
Who has won Oldham West, Chadderton and Royton at past general elections?
2024 and notional 2019 rows are on current boundaries; 2010-2017 rows are on the boundaries in force at the time. More on boundaries ›
| Year | Result | MP | Lab | Con | LD | Majority | Turnout |
|---|---|---|---|---|---|---|---|
| 2010predecessor | Lab hold | Michael Meacher Oldham West and Royton MP | 45.5% | 23.7% | 19.1% | 9,352 | 59.3% |
| 2015predecessor | Lab hold | Michael Meacher Oldham West and Royton MP | 54.8% | 19.0% | 3.7% | 14,738 | 60.2%+0.9 |
| 2017predecessor | Lab hold | Jim McMahon Oldham West and Royton MP | 65.2% | 27.6% | 2.1% | 17,198 | 63.2%+3.0 |
| 2019notional | Labour winner | Jim McMahon Oldham West and Royton MP, pre-review boundary | 55.3% | 30.3% | 3.3% | 11,127 | 59.9% |
| 2024 | Lab hold | Jim McMahon | 34.3% | 10.5% | 3.3% | 4,976 | 50.7%-9.2 |
Oldham West, Chadderton and Royton was created or substantially redrawn by the 2023 boundary review. Pre-2024 rows below are for the predecessor seat Oldham West and Royton (the seat that covered most of this area), so vote shares and majorities aren’t directly comparable to the post-2024 figures.
Constituencies most like Oldham West, Chadderton and Royton
Five seats with similar demographic profiles to Oldham West, Chadderton and Royton. Politics shown for context.
- ↓Graduate22.9 / 26.1vs 33.7
- ↑No quals26.7 / 24.3vs 18.0
- ↓Employed51.3 / 52.1vs 57.3
- ↓Graduate22.9 / 23.8vs 33.7
- ↑No quals26.7 / 27.3vs 18.0
- ↑Social rent23.6 / 23.8vs 16.8
- ↑Leave61.3 / 61.4vs 53.2
- ↓Graduate22.9 / 25.4vs 33.7
- ↑No quals26.7 / 25.0vs 18.0
- ↓Graduate22.9 / 23.5vs 33.7
- ↑No quals26.7 / 26.4vs 18.0
- ↑Leave61.3 / 61.4vs 53.2
- ↓Graduate22.9 / 20.4vs 33.7
- ↑No quals26.7 / 29.5vs 18.0
- ↑Social rent23.6 / 28.4vs 16.8
What would change this seat?
Move the sliders to set national vote shares. The per-seat projection updates live. Reset returns to the current 7-poll average.
Related
Sources
Every figure on this page is computed from the sources below. Read the full methodology ›
Show full source list
- 2024 general election results · UK Parliament Election Results portal and House of Commons Library briefing CBP-10009.
- Notional 2019 results on 2024 boundaries · UK Parliament Election Results portal. Recalculated by Parliament; carries assumptions about how 2019 voters would have distributed across the redrawn boundaries.
- Historic general election results (2010-2017) · House of Commons Library historic results files (on the boundaries in force at the time).
- Ward-level GE2024 estimates · Britain Elects / New Statesman - article by Ben Walker, underlying spreadsheet. Modelled from constituency totals; average ~4pp per-ward MoE.
- May 2026 council ward results · Democracy Club via PollCheck's locals 2026 dataset.
- Earlier council ward results (2014-2024) · DCLEAPIL v1.0 (Jason Leman, drawing on Andrew Teale's LEAP dataset and Democracy Club).
- Demographics · ONS Census 2021 (England and Wales), aggregated to constituency level using the ONS LSOA21 -> PCON24 best-fit lookup.
- EU referendum 2016 estimates · Constituency-level Leave vote estimates (Hanretty 2017 method).
- MP details and Cabinet roles · UK Parliament Members API. MP photos are fetched live from the same source.
- Boundary geometry and lookups · ONS Open Geography Portal (PCON24 boundaries, LSOA21 boundaries, LSOA21-WD24-LAD24 best-fit lookup).
- Current projection and trajectory · PollCheck's demographic swingometer applied to the rolling 7-poll average from aggregated GB polls. Not a true MRP - vote-share movements are applied through per-constituency sensitivity multipliers derived from demographic regressions.
If you spot a data issue, please let us know.