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
Labour +1.8pp
vs Liberal Democrats 30.6%
NorthernRemain-leaningGraduate-heavy

About the Sheffield Hallam constituency

Sheffield Hallam is a county constituency in Yorkshire and The Humber. The sitting MP is Olivia Blake (Labour), first elected in December 2019. At the 2024 general election, Labour won with 46.3% to 30.4% for the Liberal Democrats, a majority of 8,189 votes on a 70.8% turnout. PollCheck's current projection, at the seven-poll average, has Labour on 32.4% and the Liberal Democrats on 30.6%, a margin of 1.8 points.

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 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 ›

Council layer (not Westminster)

Sheffield Hallam within Sheffield

Sheffield Hallam sits entirely within Sheffield Council. The figures below are from the council elections held on 7 May 2026. About this layer ›

Council overlap

CouncilShare of seatProjection
Sheffield
56 LSOAs
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
Crookes and CrosspoolLabour 53.9%vs Lib Dem 26.2%May 2026 Labour 35.0%vs Green 27.5%
Labour share
-18.9pp
59.3%
Dore and TotleyLabour 39.7%vs Lib Dem 34.3%May 2026 Lib Dem 39.1%vs Reform 23.3%
Labour→Lib Dem
+15.2pp
54.5%
EcclesallLabour 46.3%vs Lib Dem 29.6%May 2026 Green 44.9%vs Lib Dem 31.1%
Labour→Green
+33.5pp
60.3%
FulwoodLabour 45.7%vs Lib Dem 32.9%May 2026 Lib Dem 37.6%vs Green 36.3%
Labour→Lib Dem
+20.1pp
58.4%
StanningtonLabour 46.0%vs Lib Dem 29.0%May 2026 Lib Dem 33.8%vs Reform 31.9%
Labour→Lib Dem
+18.5pp
49.0%

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 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 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

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.