Constituency profile

Kilmarnock and Loudoun

Scotland · County constituency · East Ayrshire borough

Lillian Jones MP
Sitting MP

Lillian Jones

Labour

First elected July 2024

Current PollCheck projection

Region & type
Scotland
County constituency, East Ayrshire council
Last 5 GE winners
LSSSL
SNP 3/5, Labour 2/5
EU referendum 2016
39.5% Leave
UK average 51.9%; -12.4pp below mean
Current outlook
SNP +4.0pp
Vulnerability score 9/10 (Labour projected to lose)
ScottishRemain-leaningGraduate-heavy

About the Kilmarnock and Loudoun constituency

Kilmarnock and Loudoun is a county constituency in Scotland. The sitting MP is Lillian Jones (Labour), first elected in July 2024. At the 2024 general election, Labour won with 44.9% to 32.8% for the SNP, a majority of 5,119 votes on a 56.9% turnout. PollCheck's current projection, at the seven-poll average, has the SNP on 35.0% and Labour on 31.0%, a margin of 4.0 points - a projected change of hands from Labour.

Who lives in Kilmarnock and Loudoun? Constituency demographics

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

Leave vote 2016
39.5%
UK average ~52%
Degree or above
40.2%
UK average ~34%
No qualifications
20.9%
UK average ~18%
Owner-occupied
64.6%
UK average ~63%
Renting (social + private)
34.2%
UK average ~36%
Median age
45.1
UK median ~40
Age 65+
25.1%
UK average ~19%
Age 18-34
26.1%
UK average ~28%

How did Kilmarnock and Loudoun 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 5,119 votes (12.1pp) · turnout 56.9%

Current projection

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

Map of Kilmarnock and Loudoun

Switch between GE2024 ward winners (modelled estimates, ~4pp average error) and a demographic view from Scotland's 2022 Census. Hover any area for detail. How the map is built ›

Holyrood 2026 layer

How Kilmarnock and Loudoun voted at the Scottish Parliament election (7 May 2026)

Kilmarnock and Loudoun crosses multiple Holyrood boundaries: Carrick, Cumnock and Doon Valley (46%), Kilmarnock and Irvine Valley (39%), Cunninghame South (13%), Clydesdale (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 Kilmarnock and LoudounWinnerRunner-upElected MSP
Carrick, Cumnock and Doon Valley46%SNP 33.2%Reform UK 24.1%Katie Hagmann
Kilmarnock and Irvine Valley39%SNP 40.9%Labour 25.6%Alan Brown
Cunninghame South13%SNP 38.8%Labour 24.6%Patricia Gibson
Clydesdale1%SNP 36.3%Labour 24.1%Màiri McAllan

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)

Kilmarnock and Loudoun within East Ayrshire

Kilmarnock and Loudoun sits entirely within East Ayrshire Council. East Ayrshire 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
East Ayrshire
1 LSOAs
100%

Recent council by-elections

Council ward by-elections held inside this seat, most recent first. The result column shows which party won; the share column shows the top three parties’ vote shares on the day.

DateWardResultTop 3 vote shares
26 Feb 2025Kilmarnock North
East Ayrshire
SNP GAIN from Lab
15 Nov 2024Kilmarnock West and Crosshouse
East Ayrshire
Lab HOLD

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
AnnickLabour 41.4%vs SNP 34.4%2022 SNP 33.1%vs Conservative 24.5%-36.0%
BallochmyleLabour 48.9%vs SNP 32.6%2022 SNP 39.7%vs Labour 32.6%-20.2%
Irvine ValleyLabour 42.8%vs SNP 37.2%2022 SNP 41.6%vs Labour 22.6%-43.4%
Kilmarnock East and HurlfordLabour 54.6%vs SNP 30.8%2022 Labour 38.5%vs SNP 37.2%-30.9%
Kilmarnock NorthLabour 45.4%vs SNP 37.3%2022 SNP 47.6%vs Labour 27.9%-24.6%
Kilmarnock SouthLabour 46.0%vs SNP 37.9%2022 SNP 53.3%vs Labour 31.4%-29.4%
Kilmarnock West and CrosshouseLabour 46.9%vs SNP 33.5%2022 SNP 38.4%vs Labour 28.2%-35.9%

Projection trajectory

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

Who has won Kilmarnock and Loudoun 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
2010Lab holdCathie Jamieson52.5%14.2%7.3%---12,37862.8%
2015SNP gain from Lab CoopAlan Brown30.4%12.5%1.5%---13,63871.6%+8.8
2017SNP holdAlan Brown28.9%26.7%2.1%---6,26963.4%-8.2
2019notionalScottish National Party winnerAlan Brown 2019 MP, pre-review boundary18.9%24.3%5.1%--51.7%12,65963.7%+0.3
2024Lab gain from SNPLillian Jones44.9%8.3%2.0%8.2% Ref2.9%0.9%5,11956.9%-6.8

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

Constituencies most like Kilmarnock and Loudoun

Five seats with similar demographic profiles to Kilmarnock and Loudoun. 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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