# Swindon South

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

Heidi Alexander has been the Labour MP for Swindon South since July 2024. They won by 9,606 votes on a 61.7% turnout.

Constituency. Code E14001537. In: [South West](https://openindex.co.uk/south-west)

## MP and the 2024 result

Heidi Alexander has been the Labour MP for Swindon South since July 2024.
They won by 9,606 votes on a 61.7% turnout.

MP: [Heidi Alexander](https://members.parliament.uk/member/4038) (Labour).

### General election, 4 July 2024: Swindon South

| Candidate | Party | Votes | Share |
| --- | --- | --- | --- |
| Heidi Alexander (elected) | Labour | 21,676 | 48.4% |
| Robert Buckland | Conservative | 12,070 | 26.9% |
| Catherine Kosidowski | Reform UK | 6,194 | 13.8% |
| Roderick Hebden | Green Party | 2,539 | 5.7% |
| Matthew McCabe | Liberal Democrat | 1,843 | 4.1% |
| Martin Costello | Independent | 472 | 1.1% |

Electorate 72,575. Turnout 61.7%. Majority 9,606 (21.4%). Contains Parliamentary information licensed under the Open Parliament Licence v3.0. Source: House of Commons Library, UK Parliament election results. https://electionresults.parliament.uk/elections/3824

MP as of 18 October 2026. Contains Parliamentary information licensed under the Open Parliament Licence v3.0. Source: UK Parliament, Members API.

## Key figures

- **Majority, 2024 general election: 21.4%** (July 2024). The winner in Swindon South had a majority of 21.4% of valid votes at the general election on 4 July 2024 (House of Commons Library). Joint 190th largest majority of 650. Source: UK Parliament election results, July 2024. Published 4 July 2024. https://openindex.co.uk/constituency/swindon-south#f-ge2024-majority
- **Turnout, 2024 general election: 61.7%** (July 2024). Turnout in Swindon South at the general election on 4 July 2024 was 61.7% (House of Commons Library). Joint 265th highest turnout of 650. Source: UK Parliament election results, July 2024. Published 4 July 2024. https://openindex.co.uk/constituency/swindon-south#f-ge2024-turnout
- **Population: 113,024** (2021). Swindon South had 113,024 usual residents at the census (ONS Census 2021). 99th most populated of 650. Source: Census 2021, England and Wales and Scotland's Census 2022 and Census 2021, Northern Ireland, 2021. Published 21 July 2026. https://openindex.co.uk/constituency/swindon-south#f-population
- **People in radon Affected Area squares: 13%** (2022). About 13% of people in Swindon South live in a 1 km square that the radon atlas marks as a radon Affected Area. UK 44%. Source: Worked out by Open Index from the UKHSA and BGS radon atlas and census output areas. Published 1 December 2022. https://openindex.co.uk/constituency/swindon-south#f-radon-affected-share

## On the map

- [Radon Affected Area by constituency](https://openindex.co.uk/map/radon-affected-areas?place=E14001537) (Worked out by Open Index · 2022): About 13% of people in Swindon South live in a 1 km square that the radon atlas marks as a radon Affected Area.
- [Average house price by council](https://openindex.co.uk/map/house-prices?place=E14001537) (UK House Price Index · August 2026): Published for whole councils, so the map colours all of Swindon, where most of this constituency lies. The outline is Swindon South.
- [Crime and ASB by council](https://openindex.co.uk/map/recorded-crime?place=E14001537) (Police recorded crime and outcomes (data.police.uk) · August 2026): Published for whole councils, so the map colours all of Swindon, where most of this constituency lies. The outline is Swindon South.
- [Population by constituency](https://openindex.co.uk/map/population?place=E14001537) (Census 2021, England and Wales): Swindon South had 113,024 usual residents at the census.

## How Swindon South compares

Each constituency against every other constituency the measure covers.

| Measure | Swindon South | Rank | Compared with |
| --- | --- | --- | --- |
| Majority, 2024 general election | 21.4% | joint 190th largest majority | 650 constituencies, UK · Jul 2024 |
| Turnout, 2024 general election | 61.7% | joint 265th highest turnout | 650 constituencies, UK · Jul 2024 |
| Population | 113,024 | 99th most populated | 650 constituencies, UK · 2021 |
| People in radon Affected Area squares | 13% | joint 201st fewest people in radon Affected Areas | 650 constituencies, UK · 2022 |

## 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](https://openindex.co.uk/swindon)

- **Average house price: £263,685** (August 2026). Swindon’s average house price was £263,685 in August 2026 (HM Land Registry). Up 2.8% in a year. Source: UK House Price Index, August 2026. Published 21 October 2026.
- **Median full-time pay: £38,900** (2025). Full-time workers living in Swindon earned a median of £38,900 in 2025 (ONS earnings survey). 163rd highest paid of 348. Source: Annual Survey of Hours and Earnings, 2025. Published 23 October 2025.
- **House price to pay: 6.8×** (2025). A home in Swindon costs 6.8 times local full-time pay. Joint 152nd most affordable of 348. Source: Worked out by Open Index from the UK House Price Index and the ONS earnings survey. Published 21 October 2026.
- **Deprivation score: 17.6** (2025). Swindon has a deprivation score of 17.6 in the English Indices of Deprivation 2025 (MHCLG). Joint 130th least deprived of 296. Source: English Indices of Deprivation 2025, 2025. Published 30 October 2025.

## 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.

## About

- Type: Constituency
- Code: E14001537
- Council: [Swindon †](https://openindex.co.uk/swindon)
- Region: [South West](https://openindex.co.uk/south-west)
- Nation: [England](https://openindex.co.uk/england)
- Area: 32.66 km²
- People, mid-2024: 117,621*
- Wards: 10
- Middle areas: 14
- Neighbourhoods: 68
- Output areas: 360

* People: worked out by Open Index from neighbourhood estimates, shared out by where people lived at the census (by area in Northern Ireland). This area's edges do not follow neighbourhood edges, so the figure is close but not exact.
† Best fit: the council this constituency mostly lies in. Its edges do not follow it.

## Next door

[East Wiltshire](https://openindex.co.uk/constituency/east-wiltshire), [Swindon North](https://openindex.co.uk/constituency/swindon-north), [Chippenham](https://openindex.co.uk/constituency/chippenham), [South Cotswolds](https://openindex.co.uk/constituency/south-cotswolds)

## Similar places

Constituencies with the closest mix of age and density. [Oldham West, Chadderton and Royton](https://openindex.co.uk/constituency/oldham-west-chadderton-and-royton), [Birmingham Edgbaston](https://openindex.co.uk/constituency/birmingham-edgbaston), [Middlesbrough and Thornaby East](https://openindex.co.uk/constituency/middlesbrough-and-thornaby-east), [Wythenshawe and Sale East](https://openindex.co.uk/constituency/wythenshawe-and-sale-east), [Stoke-on-Trent Central](https://openindex.co.uk/constituency/stoke-on-trent-central), [Sheffield Brightside and Hillsborough](https://openindex.co.uk/constituency/sheffield-brightside-and-hillsborough).

## Latest updates for Swindon South

- August 2026 house prices published: HM Land Registry and partners · Oct 2026.
- September 2026 rent published: ONS private rents · Oct 2026.
- Dental practices updated: NHS England · Oct 2026.
- Schools updated: Ofsted · Oct 2026.

The same figures as JSON: https://openindex.co.uk/v1/places/E14001537

## How to cite

Source: Open Index, openindex.co.uk. Link to this page, https://openindex.co.uk/constituency/swindon-south, or to one figure with its anchor, https://openindex.co.uk/constituency/swindon-south#f-ge2024-majority.

Open Index's own text and the figures it works out are licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Source data keeps its publishers' licences, named with each figure. Give each figure's period and source with it.

Snapshot 2026.10.9. The HTML page: https://openindex.co.uk/constituency/swindon-south