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Colchester

Constituency

The south east of the East of England. About 119,929 people in 42 square kilometres.

MP for Colchester

Pam CoxLabourMP since

They won by 8,250 votes on a 57.1% 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.

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Radon Affected Area by constituency

Worked out by Open Index · 2022

Under 1%90% or more

About 0% of people in Colchester live in a 1 km square that the radon atlas marks as a radon Affected Area.

Majority, 2024 general election
18.4%
Joint 233rd largest majority of 650
House of Commons Library · Jul 2024
Turnout, 2024 general election
57.1%
Joint 214th lowest turnout of 650
House of Commons Library · Jul 2024
Population
114,337
91st most populated of 650
ONS Census 2021 · 2021
People in radon Affected Area squares
0%
UK 44%
Worked out by Open Index

2024 general election result

Candidates in Colchester at the general election on 4 July 2024, in finishing order
CandidatePartyVotesShare
Pam CoxElectedLabour18,80441.9%
James CracknellConservative10,55423.5%
Terence LongstaffReform UK6,66414.8%
Martin GossLiberal Democrat6,39314.2%
Sara RuthGreen Party2,4145.4%
James RolfeClimate Party740.2%
Electorate
78,662
Turnout
57.1%
Majority
8,250 (18.4%)
Valid votes
44,903
Rejected ballots
156

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 Colchester compares

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

ColchesterMiddle
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%. Colchester is 18.4%.
18.4%joint 233rd 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%. Colchester is 57.1%.
57.1%joint 214th lowest turnout
Population650 constituencies, UK · 2021
Population: every constituency in UK650 areas from 26,159 to 151,876. The middle area is 100,988. Colchester is 114,337.
114,33791st 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%. Colchester is 0.0%.
0%joint fewest people in radon Affected Areas

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

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

Average house price
£297,824
Down 0.5% in a year
HM Land Registry · Jul 2026
Median full-time pay
£39,353
153rd highest paid of 348
ONS earnings survey · 2025
House price to pay
7.6×
Joint 155th least affordable of 348
Worked out by Open Index
Deprivation score
17.3
126th least deprived of 296
MHCLG · England only
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.