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Postcode sector · Colchester

Who lives in CO1 1

The age, gender, relationships and health of the people living in CO1 1, set against England as a whole.

Council
Colchester
Region
East of England
Population
13,857 (2024)
Population

Who lives in CO1 1

Residents
13,857
2024 estimate
Households
6,265
Census
Median age
38
Years, from the census
Under 15 / over 65
16% / 16%
Share of residents
Age

Age of residents

The largest age group is 25–29, at 10.1% of residents. 26% are aged 20 to 34 (the peak renting age), against 19.6% across England. 15.8% are 65 or over, below the England figure of 18.4%.

CO1 1England
0%
5%
10%
15%
0–45–910–1415–1920–2425–2930–3435–3940–4445–4950–5455–5960–6465–6970–7475–7980–8485+
Gender

The gender split

50.7% of residents are female and 49.3% male.

CO1 1
51%
49%
England
  • Female50.7%51%
  • Male49.3%49%
Relationships

Relationship status

35.7% of adults in CO1 1 are married or in a civil partnership, below the England average of 44.7%. 44% have never married.

CO1 1England
Married or civil partnership35.7%44.7%
Never married44%37.9%
Divorced or dissolved11.2%9.1%
Separated2.9%2.2%
Widowed6.1%6.1%
Health

How residents rate their health

83.6% of residents in CO1 1 describe their health as good or very good, broadly in line with the England average of 82.2%.

CO1 1
48%
35%
England
  • Very good48.5%48.5%
  • Good35.1%33.7%
  • Fair11.7%12.7%
  • Bad3.6%4%
  • Very bad1.1%1.2%

Source: Census 2021, Office for National Statistics. Population: ONS mid-year estimates. Open Government Licence v3.0.

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