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Postcode sector · London

Who lives in SW1A 1

The age, gender, relationships and health of the people living in SW1A 1, set against England as a whole.

Council
Westminster
Region
London
Population
3,593 (2024)
Population

Who lives in SW1A 1

Residents
3,593
2024 estimate
Households
1,231
Census
Median age
30
Years, from the census
Under 15 / over 65
13% / 6%
Share of residents
Age

Age of residents

The largest age group is 25–29, at 17% of residents. 41.4% are aged 20 to 34 (the peak renting age), against 19.6% across England. 5.9% are 65 or over, less than half the England figure of 18.4%.

SW1A 1England
0%
5%
10%
15%
20%
0–45–910–1415–1920–2425–2930–3435–3940–4445–4950–5455–5960–6465–6970–7475–7980–8485+
Gender

The gender split

47.9% of residents are female and 52.1% male.

SW1A 1
48%
52%
England
  • Female47.9%51%
  • Male52.1%49%
Relationships

Relationship status

28.5% of adults in SW1A 1 are married or in a civil partnership, well below the England average of 44.7%. 61.7% have never married.

SW1A 1England
Married or civil partnership28.5%44.7%
Never married61.7%37.9%
Divorced or dissolved6.4%9.1%
Separated1.4%2.2%
Widowed2%6.1%
Health

How residents rate their health

91.6% of residents in SW1A 1 describe their health as good or very good, broadly in line with the England average of 82.2%.

SW1A 1
61%
31%
England
  • Very good60.9%48.5%
  • Good30.8%33.7%
  • Fair6.1%12.7%
  • Bad1.6%4%
  • Very bad0.6%1.2%

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

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