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Postcode sector · Seaford

Who lives in BN25 1

The age, gender, relationships and health of the people living in BN25 1, set against England as a whole.

Council
Lewes
Region
South East
Population
7,859 (2024)
Population

Who lives in BN25 1

Residents
7,859
2024 estimate
Households
3,995
Census
Median age
53
Years, from the census
Under 15 / over 65
12% / 33%
Share of residents
Age

Age of residents

The largest age group is 70–74, at 9% of residents. 13.8% are aged 20 to 34 (the peak renting age), against 19.6% across England. 33.5% are 65 or over, well above the England figure of 18.4%.

BN25 1England
0%
2%
5%
8%
10%
0–45–910–1415–1920–2425–2930–3435–3940–4445–4950–5455–5960–6465–6970–7475–7980–8485+
Gender

The gender split

53.2% of residents are female and 46.8% male.

BN25 1
53%
47%
England
  • Female53.2%51%
  • Male46.8%49%
Relationships

Relationship status

42.7% of adults in BN25 1 are married or in a civil partnership, broadly in line with the England average of 44.7%. 31.3% have never married.

BN25 1England
Married or civil partnership42.7%44.7%
Never married31.3%37.9%
Divorced or dissolved13.2%9.1%
Separated2.9%2.2%
Widowed10%6.1%
Health

How residents rate their health

77% of residents in BN25 1 describe their health as good or very good, broadly in line with the England average of 82.2%.

BN25 1
41%
36%
17%
England
  • Very good41.2%48.5%
  • Good35.8%33.7%
  • Fair16.7%12.7%
  • Bad4.9%4%
  • Very bad1.3%1.2%

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

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