Constituency profile

West Dunbartonshire

Scotland · County constituency · West Dunbartonshire borough

Douglas McAllister MP
Sitting MP

Douglas McAllister

Labour

First elected July 2024

Current PollCheck projection

Region & type
Scotland
County constituency, West Dunbartonshire council
Last 5 GE winners
LSSSL
SNP 3/5, Labour 2/5
EU referendum 2016
38.0% Leave
UK average 51.9%; -13.9pp below mean
Current outlook
SNP +11.4pp
Vulnerability score 8/10 (Labour projected to lose)
ScottishRemain-leaning

Who lives in West Dunbartonshire? Constituency demographics

From the 2021 Census and 2016 EU referendum estimates. Constituency-level data on 2024 boundaries.

Leave vote 2016
38.0%
UK average ~52%
Degree or above
37.6%
UK average ~34%
No qualifications
21.3%
UK average ~18%
Owner-occupied
57.4%
UK average ~63%
Renting (social + private)
41.6%
UK average ~36%
Median age
44.3
UK median ~40
Age 65+
23.9%
UK average ~19%
Age 18-34
27.1%
UK average ~28%

How did West Dunbartonshire 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

Lab gain from SNP · majority 6,010 votes (15.2pp) · turnout 57.3%

Current projection

If a general election were held today, at current poll average

Map of West Dunbartonshire

Switch between ward-level 2024 election winners and a demographic view. Ward winners are Britain Elects' / New Statesman modelled estimates with an average ~4pp margin of error per ward. The demographic view splits the seat into small neighbourhoods (around 800 residents each, from Scotland's 2022 Census). Hover any area for detail.

Holyrood 2026 layer

How West Dunbartonshire voted at the Scottish Parliament election (7 May 2026)

West Dunbartonshire crosses multiple Holyrood boundaries: Dumbarton (76%), Clydebank and Milngavie (21%), Stirling (2%). Scotland uses the Additional Member System: voters cast one ballot for a constituency MSP and a second for a regional list. The figures below are the constituency vote.

Holyrood constituencyShare of West DunbartonshireWinnerRunner-upElected MSP
Dumbarton76%Labour 39.8%SNP 34.2%Jackie Baillie
Clydebank and Milngavie21%SNP 38.6%Labour 25.2%Marie McNair
Stirling2%SNP 42.4%Conservative 19.2%Alyn Smith

Holyrood 2026 constituency results from official declarations. Overlap percentages are area-based using the post-2024 Westminster boundary against the new Holyrood second-review boundary (in force from 7 May 2026).

Council layer (not Westminster)

West Dunbartonshire within West Dunbartonshire

The Westminster constituency of West Dunbartonshire sits entirely within West Dunbartonshire Council. Local council elections are a separate ballot from Westminster general elections - the figures below are from the council elections held on Thursday 7 May 2026.

Council overlap

CouncilShare of seat
West Dunbartonshire
1 LSOAs
100%

Most recent council ward results

Latest council winner per ward. Where May 2026 elections happened, those are shown; otherwise the most recent year on the ward’s pre-2026 boundary (via DCLEAPIL, 2014-2024). The "Shift since GE2024" column is only computed for May 2026 results - earlier council votes pre-date the GE, so no directional shift is shown.

Loading ward results...
Ward GE2024 winner Latest council winner Shift since GE2024 Turnout

Projection trajectory

PollCheck's projection for West Dunbartonshire at each of the last 60 GB polls. Hover the chart for the underlying poll details.

Who has won West Dunbartonshire at past general elections?

2024 result is on current boundaries. The 2019 row is the UK Parliament's notional recalculation onto the 2024 boundaries (directly comparable to 2024). The 2010, 2015 and 2017 rows are on the boundaries in force at the time and aren't directly comparable.

Year Result MP Lab Con LD Right (Ref/UKIP) Green Other Majority Turnout
2010Lab holdGemma Doyle61.3%7.7%8.1%1.6% UKIP-1.2%17,40864.0%
2015SNP gain from Lab CoopMartin Docherty31.3%7.0%1.6%--1.0%14,17173.9%
2017SNP holdMartin Docherty-Hughes37.7%17.2%2.3%---2,28865.2%
2019notionalScottish National Party winnerMartin Docherty-Hughes 2019 MP, pre-review boundary28.6%14.2%4.2%--53.0%9,84166.3%
2024Lab gain from SNPDouglas McAllister48.8%3.7%2.1%7.0% Ref3.8%1.0%6,01057.3%

Earlier years are on pre-2024 boundaries; comparable results on the new boundary will be added when sourced.

Constituencies most like West Dunbartonshire

Five seats with similar demographic profiles to West Dunbartonshire. Politics shown for context.

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

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