# Colchester

The south east of the East of England. About 119,929 people (mid-2024 estimate) in 42 square kilometres.

Pam Cox has been the Labour MP for Colchester since July 2024. They won by 8,250 votes on a 57.1% turnout.

Constituency. Code E14001176. In: [East of England](https://openindex.co.uk/east-of-england)

## MP and the 2024 result

Pam Cox has been the Labour MP for Colchester since July 2024.
They won by 8,250 votes on a 57.1% turnout.

MP: [Pam Cox](https://members.parliament.uk/member/5042) (Labour).

### General election, 4 July 2024: Colchester

| Candidate | Party | Votes | Share |
| --- | --- | --- | --- |
| Pam Cox (elected) | Labour | 18,804 | 41.9% |
| James Cracknell | Conservative | 10,554 | 23.5% |
| Terence Longstaff | Reform UK | 6,664 | 14.8% |
| Martin Goss | Liberal Democrat | 6,393 | 14.2% |
| Sara Ruth | Green Party | 2,414 | 5.4% |
| James Rolfe | Climate Party | 74 | 0.2% |

Electorate 78,662. Turnout 57.1%. Majority 8,250 (18.4%). 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/3397

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: 18.4%** (July 2024). The winner in Colchester had a majority of 18.4% of valid votes at the general election on 4 July 2024 (House of Commons Library). Joint 233rd largest majority of 650. Source: UK Parliament election results, July 2024. Published 4 July 2024. https://openindex.co.uk/constituency/colchester#f-ge2024-majority
- **Turnout, 2024 general election: 57.1%** (July 2024). Turnout in Colchester at the general election on 4 July 2024 was 57.1% (House of Commons Library). Joint 214th lowest turnout of 650. Source: UK Parliament election results, July 2024. Published 4 July 2024. https://openindex.co.uk/constituency/colchester#f-ge2024-turnout
- **Population: 114,337** (2021). Colchester had 114,337 usual residents at the census (ONS Census 2021). 91st 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/colchester#f-population
- **People in radon Affected Area squares: 0%** (2022). About 0% of people in Colchester 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/colchester#f-radon-affected-share

## On the map

- [Radon Affected Area by constituency](https://openindex.co.uk/map/radon-affected-areas?place=E14001176) (Worked out by Open Index · 2022): About 0% of people in Colchester 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=E14001176) (UK House Price Index · August 2026): Published for whole councils, so the map colours all of Colchester, where most of this constituency lies. The outline is Colchester.
- [Crime and ASB by council](https://openindex.co.uk/map/recorded-crime?place=E14001176) (Police recorded crime and outcomes (data.police.uk) · August 2026): Published for whole councils, so the map colours all of Colchester, where most of this constituency lies. The outline is Colchester.
- [Population by constituency](https://openindex.co.uk/map/population?place=E14001176) (Census 2021, England and Wales): Colchester had 114,337 usual residents at the census.

## How Colchester compares

Each constituency against every other constituency the measure covers.

| Measure | Colchester | Rank | Compared with |
| --- | --- | --- | --- |
| Majority, 2024 general election | 18.4% | joint 233rd largest majority | 650 constituencies, UK · Jul 2024 |
| Turnout, 2024 general election | 57.1% | joint 214th lowest turnout | 650 constituencies, UK · Jul 2024 |
| Population | 114,337 | 91st most populated | 650 constituencies, UK · 2021 |
| People in radon Affected Area squares | 0% | joint fewest people in radon Affected Areas | 650 constituencies, UK · 2022 |

## What is the population of Colchester?

Colchester had 114,337 usual residents at the census.
Colchester is the 91st most populated of 650 in the UK.

## Figures for the whole of Colchester

Most of Colchester lies in Colchester. These figures are published for the whole of Colchester, not for constituencies, so they describe the council and not Colchester itself. [See Colchester](https://openindex.co.uk/colchester)

- **Average house price: £294,210** (August 2026). Colchester’s average house price was £294,210 in August 2026 (HM Land Registry). Down 1.4% in a year. Source: UK House Price Index, August 2026. Published 21 October 2026.
- **Median full-time pay: £39,353** (2025). Full-time workers living in Colchester earned a median of £39,353 in 2025 (ONS earnings survey). 153rd highest paid of 348. Source: Annual Survey of Hours and Earnings, 2025. Published 23 October 2025.
- **House price to pay: 7.5×** (2025). A home in Colchester costs 7.5 times local full-time pay. Joint 163rd least 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: 17.3** (2025). Colchester has a deprivation score of 17.3 in the English Indices of Deprivation 2025 (MHCLG). 126th least deprived of 296. Source: English Indices of Deprivation 2025, 2025. Published 30 October 2025.

## Colchester in brief

The winner in Colchester had a majority of 18.4% of valid votes at the general election on 4 July 2024.
Turnout in Colchester at the general election on 4 July 2024 was 57.1%.
Colchester had 114,337 usual residents at the census.
About 0% of people in Colchester live in a 1 km square that the radon atlas marks as a radon Affected Area.

## About

- Type: Constituency
- Code: E14001176
- Council: [Colchester †](https://openindex.co.uk/colchester)
- Region: [East of England](https://openindex.co.uk/east-of-england)
- Nation: [England](https://openindex.co.uk/england)
- Area: 42.22 km²
- People, mid-2024: 119,929*
- Wards: 9
- Middle areas: 12
- Neighbourhoods: 71
- Output areas: 376

* 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

[Harwich and North Essex](https://openindex.co.uk/constituency/harwich-and-north-essex), [Witham](https://openindex.co.uk/constituency/witham)

## Similar places

Constituencies with the closest mix of age and density. [Bradford South](https://openindex.co.uk/constituency/bradford-south), [Filton and Bradley Stoke](https://openindex.co.uk/constituency/filton-and-bradley-stoke), [Wythenshawe and Sale East](https://openindex.co.uk/constituency/wythenshawe-and-sale-east), [Middlesbrough and Thornaby East](https://openindex.co.uk/constituency/middlesbrough-and-thornaby-east), [Stoke-on-Trent Central](https://openindex.co.uk/constituency/stoke-on-trent-central), [Bracknell](https://openindex.co.uk/constituency/bracknell).

## Latest updates for Colchester

- 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/E14001176

## How to cite

Source: Open Index, openindex.co.uk. Link to this page, https://openindex.co.uk/constituency/colchester, or to one figure with its anchor, https://openindex.co.uk/constituency/colchester#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/colchester