Southend-on-Sea population statistics

In 2024, there were 560k residents in Southend-on-Sea postcode area with an average age of 41.4 years. Population density was 1.5k residents per square kilometer. Population grew by 13.4% since 2002 and population average age increased by 1.9 years in the same period.

Key Population Data: Residents, Age and Density in 2024 (latest estimate from ONS)
Population Estimates	Value in 2024
Total residents	560k
Average age	41.4
Population density	1.5k

Southend on Sea population density map

shows a number of residents per square kilometer(km²), estimates from 2020.

Southend on Sea population average age map

Population average age by LSOA (County) in 2018.

Southend on Sea population growth

Total population per year outlines headcount differences.

Southend on Sea population pyramid

shows the distribution of various age groups in a population in 2024. Females are shown on the left, males are shown on the right.

Southend on Sea population pyramid by year

Southend on Sea population share by decade of age

Shares of population age groups compared to corresponding shares of population groups in England & Wales, 2024.

Southend on Sea working age population share

Working age population share compared to working age population share in England & Wales, 2024.

Age Distribution and Comparison to England & Wales
age group	head-count	% share of population	% for Eng & Wales
0-15	108k	19.2%	18.3%
16-64	340k	60.7%	62.8%
65+	113k	20.1%	18.9%

Average Age in Southend-on-Sea postcode area and Comparison to England & Wales
postcode area	Average age in 2024
Southend-on-Sea	41.4
England & Wales	40.8

Southend on Sea population average age

Annual area statistics of Southend-on-Sea's population average age compared to country statistics.

Southend on Sea residential areas map

Purple-colored areas are business or industrial areas. Green-colored areas provide quieter surroundings and better living. Map is based on a UK Census 2011 data. Colors calculated from the ratio of number of residents divided by a number of workday people.