Constituency profile

Sheffield Hallam

Yorkshire and The Humber · County constituency · Sheffield borough

Olivia Blake MP
Sitting MP

Olivia Blake

Labour

First elected December 2019

Current PollCheck projection

Region & type
Yorkshire and The Humber
County constituency, Sheffield council
Last 5 GE winners
LDLDLLL
Labour 3/5, Liberal Democrats 2/5
EU referendum 2016
41.0% Leave
UK average 51.9%; -10.9pp below mean
Current outlook
Liberal Democrats +9.3pp
Vulnerability score 9/10 (Labour projected to lose)
NorthernRemain-leaningGraduate-heavy

About the Sheffield Hallam constituency

Sheffield Hallam is a county constituency in Yorkshire and The Humber, covering most or all of Sheffield. The sitting MP is Olivia Blake (Labour), first elected in December 2019.

At the 2024 general election, Labour won Sheffield Hallam with 46.3% of the vote, ahead of the Liberal Democrats on 30.4%, a majority of 8,189 votes. Turnout was 70.8%.

If a general election were held today, PollCheck's projection at the current seven-poll average has the Liberal Democrats on 35.0% and Labour on 25.7% in Sheffield Hallam, a margin of 9.3 points, a projected change from Labour since 2024. The projection updates automatically as new polls are added.

Demographically, Sheffield Hallam is a Remain-leaning area (an estimated 41.0% voted Leave in 2016). About 51.6% of residents hold a degree, 79.4% 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 3 times, the Liberal Democrats 2 times (earlier years may be on predecessor boundaries).

Who lives in Sheffield Hallam? Constituency demographics

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

Leave vote 2016
41.0%
UK average ~52%
Degree or above
51.6%
UK average ~34%
No qualifications
9.2%
UK average ~18%
Owner-occupied
79.4%
UK average ~63%
Renting (social + private)
20.4%
UK average ~36%
Median age
43.7
UK median ~40
Age 65+
26.3%
UK average ~19%
Age 18-34
27.4%
UK average ~28%

How did Sheffield Hallam 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 hold · majority 8,189 votes (15.9pp) · turnout 70.8%

Current projection

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

Map of Sheffield Hallam

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 1,500 residents each, from the 2021 Census). Hover any area for detail.

Council layer (not Westminster)

Sheffield Hallam within Sheffield

The Westminster constituency of Sheffield Hallam sits entirely within Sheffield 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 seatProjection
Sheffield
56 LSOAs
100%View projection ›

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 Sheffield Hallam at each of the last 60 GB polls. Hover the chart for the underlying poll details.

Who has won Sheffield Hallam 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
2010LD holdNick Clegg16.1%23.5%53.4%2.3% UKIP1.8%2.8%15,28474.3%
2015LD holdNick Clegg35.8%13.6%40.0%6.4% UKIP3.2%0.9%2,35376.7%+2.4
2017Lab gain from LDJared O'Mara38.4%23.8%34.6%1.6% UKIP1.4%0.1%2,12577.6%+0.9
2019notionalLabour winnerOlivia Blake 2019 MP, pre-review boundary35.0%25.7%33.1%0.3% Brx3.0%2.9%1,10878.4%+0.8
2024Lab holdOlivia Blake46.3%12.0%30.4%-8.7%2.6%8,18970.8%-7.6

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

Constituencies most like Sheffield Hallam

Five seats with similar demographic profiles to Sheffield Hallam. 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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