Constituency profile

Gainsborough

East Midlands · County constituency · West Lindsey borough

Sir Edward Leigh MP
Sitting MP

Sir Edward Leigh

Conservative

First elected June 1983

Current PollCheck projection

Region & type
East Midlands
County constituency, West Lindsey council
Last 5 GE winners
CCCCC
Conservative 5/5
EU referendum 2016
62.0% Leave
UK average 51.9%; +10.1pp above mean
Current outlook
Reform UK +2.5pp
Vulnerability score 7/10 (Conservative projected to lose)
MidlandsStrong Leave area

About the Gainsborough constituency

Gainsborough is a county constituency in the East Midlands. The sitting MP is Sir Edward Leigh (Conservative), first elected in June 1983. At the 2024 general election, the Conservatives won with 35.6% to 28.1% for Labour, a majority of 3,532 votes on a 61.6% turnout. PollCheck's current projection, at the seven-poll average, has Reform UK on 32.2% and the Conservatives on 29.8%, a margin of 2.5 points - a projected change of hands from the Conservatives.

Who lives in Gainsborough? Constituency demographics

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

Leave vote 2016
62.0%
UK average ~52%
Degree or above
29.3%
UK average ~34%
No qualifications
18.1%
UK average ~18%
Owner-occupied
70.3%
UK average ~63%
Renting (social + private)
28.8%
UK average ~36%
Median age
48.3
UK median ~40
Age 65+
29.9%
UK average ~19%
Age 18-34
23.3%
UK average ~28%

How did Gainsborough 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

Con hold · majority 3,532 votes (7.5pp) · turnout 61.6%

Current projection

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

Map of Gainsborough

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)

Gainsborough within West Lindsey

Gainsborough sits entirely within West Lindsey Council. West Lindsey was not due to vote in 2026, so the figures below are the most recent ward results available. About this layer ›

Council overlap

CouncilShare of seat
West Lindsey
53 LSOAs
100%

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
BardneyConservative 40.2%vs Labour 27.5%2023 Conservative 60.9%vs Green 20.7%-34.9%
Caistor and YarboroughConservative 37.7%vs Labour 26.0%2023 Conservative 61.8%vs Lib Dem 38.2%-27.1%
Cherry WillinghamConservative 36.7%vs Labour 29.8%2023 Conservative 42.9%vs Lib Dem 37.1%-37.2%
Dunholme and WeltonConservative 34.2%vs Labour 29.7%2023 Lib Dem 46.8%vs Conservative 37.5%-38.4%
Gainsborough EastReform 31.9%vs Labour 27.5%2023 Lib Dem 61.9%vs Independent 16.0%-21.4%
Gainsborough NorthLabour 33.3%vs Conservative 27.9%2023 Lib Dem 59.3%vs Others 20.7%-33.0%
Gainsborough South-WestLabour 29.3%vs Conservative 25.2%2023 Lib Dem 71.9%vs Labour 8.5%-25.2%
HemswellConservative 35.8%vs Labour 28.9%2023 Independent 45.8%vs Conservative 31.6%-32.0%
Kelsey WoldConservative 44.0%vs Labour 21.9%2019 Conservative 64.2%vs Lib Dem 35.8%-39.1%
LeaConservative 38.9%vs Labour 27.8%2023 Lib Dem 51.4%vs Conservative 48.6%-38.9%
Market RasenConservative 35.8%vs Reform 22.8%2023 Lib Dem 57.4%vs Conservative 31.3%-28.8%
NettlehamConservative 41.4%vs Labour 29.0%2023 Conservative 44.0%vs Lib Dem 27.5%-51.6%
SaxilbyConservative 39.1%vs Labour 27.8%2023 Conservative 67.0%vs Lib Dem 33.0%-27.9%
ScamptonConservative 41.0%vs Labour 33.7%2023 Conservative 37.2%vs Labour 36.7%-38.5%
Scotter and BlytonConservative 36.0%vs Labour 29.2%2023 Lib Dem 63.3%vs Conservative 24.7%-35.2%
StowConservative 34.5%vs Labour 28.4%2023 Lib Dem 57.9%vs Conservative 42.1%-33.8%
SudbrookeConservative 37.0%vs Labour 27.3%2023 Lib Dem 51.6%vs Conservative 48.4%-33.2%
TorkseyConservative 39.9%vs Labour 24.2%2023 Conservative 48.6%vs Lib Dem 33.7%-38.3%
Waddingham and SpitalConservative 39.4%vs Labour 26.3%2023 Conservative 58.3%vs Lib Dem 41.7%-32.2%
Wold ViewConservative 35.6%vs Labour 28.3%2023 Conservative 55.9%vs Lib Dem 44.1%-30.0%

Projection trajectory

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

Who has won Gainsborough 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
2010Con holdEdward Leigh15.6%49.3%27.8%4.2% UKIP-3.1%10,55967.5%
2015Con holdEdward Leigh21.3%52.7%6.7%15.7% UKIP2.6%1.0%15,44966.0%-1.5
2017Con holdEdward Leigh28.7%61.8%7.1%-2.4%-17,02367.8%+1.8
2019notionalConservative winnerEdward Leigh 2019 MP, pre-review boundary21.2%66.3%10.4%--2.1%22,17265.7%-2.1
2024Con holdEdward Leigh28.1%35.6%10.7%21.2% Ref3.9%0.4%3,53261.6%-4.1

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

Constituencies most like Gainsborough

Five seats with similar demographic profiles to Gainsborough. 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.