Constituency profile

Barnsley North

Yorkshire and The Humber · County constituency · Barnsley borough

Dan Jarvis MP
Sitting MP

Dan Jarvis

Labour

First elected March 2011

Current PollCheck projection

Region & type
Yorkshire and The Humber
County constituency, Barnsley council
Last 5 GE winners
LLLLL
Labour 5/5
EU referendum 2016
69.6% Leave
UK average 51.9%; +17.7pp above mean
Current outlook
Reform UK +7.4pp
Vulnerability score 9/10 (Labour projected to lose)
NorthernStrong Leave areaWorking-class profile

About the Barnsley North constituency

Barnsley North is a county constituency in Yorkshire and The Humber. The sitting MP is Dan Jarvis (Labour), first elected in March 2011. At the 2024 general election, Labour won with 50.4% to 29.3% for Reform UK, a majority of 7,811 votes on a 47.1% turnout. PollCheck's current projection, at the seven-poll average, has Reform UK on 43.9% and Labour on 36.5%, a margin of 7.4 points - a projected change of hands from Labour.

Who lives in Barnsley North? Constituency demographics

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

Leave vote 2016
69.6%
UK average ~52%
Degree or above
22.5%
UK average ~34%
No qualifications
25.9%
UK average ~18%
Owner-occupied
62.5%
UK average ~63%
Renting (social + private)
36.7%
UK average ~36%
Median age
41.8
UK median ~40
Age 65+
22.9%
UK average ~19%
Age 18-34
29.2%
UK average ~28%

How did Barnsley North 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 7,811 votes (21.1pp) · turnout 47.1%

Current projection

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

Map of Barnsley North

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)

Barnsley North within Barnsley

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

Council overlap

CouncilShare of seatProjection
Barnsley
63 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
CentralLabour 50.5%vs Reform 30.3%May 2026 Labour 42.3%vs Reform 37.8%
Labour share
-8.2pp
33.3%
CudworthLabour 52.8%vs Reform 28.9%May 2026 Labour 45.8%vs Reform 43.8%
Labour share
-7.0pp
35.6%
Darton EastLabour 46.7%vs Reform 27.1%May 2026 Lib Dem 43.4%vs Reform 30.8%
Labour→Lib Dem
+30.7pp
42.2%
Darton WestLabour 51.6%vs Reform 26.4%May 2026 Reform 41.5%vs Labour 38.1%
Labour→Reform
+14.3pp
43.6%
Monk BrettonLabour 51.0%vs Reform 30.6%May 2026 Reform 48.5%vs Labour 33.0%
Labour→Reform
+17.9pp
35.1%
North EastLabour 47.7%vs Reform 31.3%May 2026 Reform 48.6%vs Labour 36.0%
Labour→Reform
+14.6pp
30.6%
Old TownLabour 53.2%vs Reform 28.0%May 2026 Labour 41.0%vs Reform 35.0%
Labour share
-12.2pp
40.7%
RoystonLabour 49.1%vs Reform 31.1%May 2026 Reform 46.3%vs Labour 38.3%
Labour→Reform
+13.0pp
34.4%
St HelensLabour 51.6%vs Reform 29.9%2024 Labour 75.2%vs Lib Dem 14.3%-16.6%

Projection trajectory

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

Who has won Barnsley North 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
2010predecessorLab holdEric Illsley Barnsley Central MP47.3%17.3%17.3%4.7% UKIP-13.5%11,09356.5%
2015predecessorLab holdDan Jarvis Barnsley Central MP55.7%15.0%2.1%21.7% UKIP2.6%2.9%12,43556.7%+0.2
2017predecessorLab holdDan Jarvis Barnsley Central MP63.9%24.1%1.4%8.5% UKIP1.5%0.5%15,54660.9%+4.2
2019notionalLabour winnerDaniel Jarvis Barnsley Central MP, pre-review boundary38.5%24.0%3.6%-2.4%31.5%4,00257.9%
2024Lab holdDan Jarvis50.4%8.4%3.6%29.3% Ref4.9%3.4%7,81147.1%-10.8

Barnsley North was created or substantially redrawn by the 2023 boundary review. Pre-2024 rows below are for the predecessor seat Barnsley Central (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 Barnsley North

Five seats with similar demographic profiles to Barnsley North. 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.

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