Compare

Swindon South

Constituency

The north east of the South West. About 117,621 people (mid-2024 estimate) in 33 square kilometres.

MP for Swindon South

Heidi AlexanderLabourMP since

They won by 9,606 votes on a 61.7% turnout.

As of , from the UK Parliament Members API. Contains Parliamentary information licensed under the Open Parliament Licence v3.0. Source: UK Parliament, Members API.

Open in map

Radon Affected Area by constituency

Worked out by Open Index · 2022

Under 1%90% or more

About 13% of people in Swindon South live in a 1 km square that the radon atlas marks as a radon Affected Area.

Majority, 2024 general election
21.4%
Joint 190th largest majority of 650
House of Commons Library · Jul 2024
Turnout, 2024 general election
61.7%
Joint 265th highest turnout of 650
House of Commons Library · Jul 2024
Population
113,024
99th most populated of 650
ONS Census 2021 · 2021
People in radon Affected Area squares
13%
UK 44%
Worked out by Open Index

2024 general election result

Candidates in Swindon South at the general election on 4 July 2024, in finishing order
CandidatePartyVotesShare
Heidi AlexanderElectedLabour21,67648.4%
Robert BucklandConservative12,07026.9%
Catherine KosidowskiReform UK6,19413.8%
Roderick HebdenGreen Party2,5395.7%
Matthew McCabeLiberal Democrat1,8434.1%
Martin CostelloIndependent4721.1%
Electorate
72,575
Turnout
61.7%
Majority
9,606 (21.4%)
Valid votes
44,794
Rejected ballots
147

Polling day . Shares are of valid votes; turnout is valid votes as a share of the electorate. Contains Parliamentary information licensed under the Open Parliament Licence v3.0. Source: House of Commons Library, UK Parliament election results. The result from the House of Commons Library

How Swindon South compares

Each dot is a constituency. The black line marks the middle one.

Swindon SouthMiddle
Majority, 2024 general election650 constituencies, UK · Jul 2024
Majority, 2024 general election: every constituency in UK650 areas from 0.0% to 60.6%. The middle area is 14.1%. Swindon South is 21.4%.
21.4%joint 190th largest majority
Turnout, 2024 general election650 constituencies, UK · Jul 2024
Turnout, 2024 general election: every constituency in UK650 areas from 40.0% to 75.2%. The middle area is 60.0%. Swindon South is 61.7%.
61.7%joint 265th highest turnout
Population650 constituencies, UK · 2021
Population: every constituency in UK650 areas from 26,159 to 151,876. The middle area is 100,988. Swindon South is 113,024.
113,02499th most populated
People in radon Affected Area squares650 constituencies, UK · 2022
People in radon Affected Area squares: every constituency in UK650 areas from 0.0% to 100.0%. The middle area is 39.0%. Swindon South is 13.0%.
13%joint 201st fewest people in radon Affected Areas

Every constituency ranked: population and people in radon affected area squares.

What is the population of Swindon South?

Swindon South had 113,024 usual residents at the census.

Swindon South is the 99th most populated of 650 in the UK.

Figures for the whole of Swindon

Most of Swindon South lies in Swindon. These figures are published for the whole of Swindon, not for constituencies, so they describe the council and not Swindon South itself. See Swindon

Average house price
£263,685
Up 2.8% in a year
HM Land Registry · Aug 2026
Median full-time pay
£38,900
163rd highest paid of 348
ONS earnings survey · 2025
House price to pay
6.8×
Joint 152nd most affordable of 348
Worked out by Open Index
Deprivation score
17.6
Joint 130th least deprived of 296
MHCLG · England only
Swindon South in brief

The winner in Swindon South had a majority of 21.4% of valid votes at the general election on 4 July 2024.

Turnout in Swindon South at the general election on 4 July 2024 was 61.7%.

Swindon South had 113,024 usual residents at the census.

About 13% of people in Swindon South live in a 1 km square that the radon atlas marks as a radon Affected Area.