Constituency profile

Alloa and Grangemouth

Scotland · County constituency · Clackmannanshire borough

Brian Leishman MP
Sitting MP

Brian Leishman

Labour

First elected July 2024

Current PollCheck projection

Region & type
Scotland
County constituency, Clackmannanshire council
Last 5 GE winners
LSCSL
Labour 2/5, SNP 2/5, Conservative 1/5
EU referendum 2016
41.2% Leave
UK average 51.9%; -10.7pp below mean
Current outlook
SNP +6.5pp
Vulnerability score 8/10 (Labour projected to lose)
ScottishRemain-leaning

About the Alloa and Grangemouth constituency

Alloa and Grangemouth is a county constituency in Scotland, covering most or all of Clackmannanshire. The sitting MP is Brian Leishman (Labour), first elected in July 2024.

At the 2024 general election, Labour won Alloa and Grangemouth with 43.8% of the vote, ahead of the SNP on 28.9%, a majority of 6,122 votes. Turnout was 58.3%.

If a general election were held today, PollCheck's projection at the current seven-poll average has the SNP on 34.8% and Labour on 28.3% in Alloa and Grangemouth, a margin of 6.5 points, a projected change from Labour since 2024. The projection updates automatically as new polls are added.

Demographically, Alloa and Grangemouth is a Remain-leaning area (an estimated 41.2% voted Leave in 2016). About 39.5% of residents hold a degree, 64.5% of homes are owner-occupied, and the seat has a median age of about 44 (2021 Census).

Across the last 5 general elections on record, the seat has been won by Labour 2 times, the SNP 2 times, the Conservatives 1 time (earlier years may be on predecessor boundaries).

Who lives in Alloa and Grangemouth? Constituency demographics

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

Leave vote 2016
41.2%
UK average ~52%
Degree or above
39.5%
UK average ~34%
No qualifications
18.2%
UK average ~18%
Owner-occupied
64.5%
UK average ~63%
Renting (social + private)
34.1%
UK average ~36%
Median age
44.5
UK median ~40
Age 65+
23.6%
UK average ~19%
Age 18-34
26.4%
UK average ~28%

How did Alloa and Grangemouth 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 6,122 votes (14.9pp) · turnout 58.3%

Current projection

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

Map of Alloa and Grangemouth

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 Alloa and Grangemouth voted at the Scottish Parliament election (7 May 2026)

Alloa and Grangemouth crosses multiple Holyrood boundaries: Clackmannanshire and Dunblane (57%), Falkirk East and Linlithgow (25%), Falkirk West (15%), Stirling (2%), Perthshire South and Kinross-shire (1%). 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 Alloa and GrangemouthWinnerRunner-upElected MSP
Clackmannanshire and Dunblane57%SNP 37.8%Labour 24.6%Keith Brown
Falkirk East and Linlithgow25%SNP 38.6%Labour 24.1%Martyn Day
Falkirk West15%SNP 41.2%Reform UK 22.6%Gary Bouse
Stirling2%SNP 42.4%Conservative 19.2%Alyn Smith
Perthshire South and Kinross-shire1%SNP 40.4%Conservative 26.5%Jim Fairlie

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)

Alloa and Grangemouth within Clackmannanshire

The Westminster constituency of Alloa and Grangemouth sits entirely within Clackmannanshire Council. Local council elections are a separate ballot from Westminster general elections - English councils rotate their election cycles and Clackmannanshire was not due to vote in 2026, so the figures below show the most recent council ward results available.

Council overlap

CouncilShare of seat
Clackmannanshire
1 LSOAs
100%

Most recent council ward results

Latest council winner per ward. Where the council held a May 2026 election, those results are shown; otherwise we show the most recent available ward result (via DCLEAPIL, 2014-2024), or, where the seat was uncontested at the last election, the current sitting councillor from OpenCouncilData. 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.

Ward GE2024 winner Latest council winner Shift since GE2024 Turnout

Projection trajectory

PollCheck's projection for Alloa and Grangemouth at each of the last 60 GB polls. Hover the chart for the underlying poll details.

Who has won Alloa and Grangemouth 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
2010predecessorLab holdGordon Banks Ochil and South Perthshire MP37.9%20.5%11.4%1.4% UKIP1.2%-5,18767.2%
2015predecessorSNP gain from LabTasmina Ahmed-Sheikh Ochil and South Perthshire MP28.4%20.7%2.6%2.3% UKIP--10,16874.8%+7.6
2017predecessorCon gain from SNPLuke Graham Ochil and South Perthshire MP20.0%41.5%3.2%---3,35970.6%-4.2
2019notionalScottish National Party winnerJohn Nicolson Ochil and South Perthshire MP, pre-review boundary14.5%24.8%5.3%0.8% Brx-54.6%12,72763.2%
2024Lab gain from SNPBrian Leishman43.8%7.6%2.8%9.2% Ref3.4%4.2%6,12258.3%-4.9

Alloa and Grangemouth was created or substantially redrawn by the 2023 boundary review. Pre-2024 rows below are for the predecessor seat Ochil and South Perthshire (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 Alloa and Grangemouth

Five seats with similar demographic profiles to Alloa and Grangemouth. 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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