Southend on Sea
- Country:
- United Kingdom
- Continent:
- Europe
Southend-On-Sea's 2025 population is now estimated at 323,035. In 1950, the population of Southend-On-Sea was 265,310. Southend-On-Sea has grown by 2,266 in the last year, which represents a 0.71% annual change.These population estimates and projections come from the latest revision of the UN World Urbanization Prospects. These estimates represent the Urban agglomeration of Southend-On-Sea, which typically includes Southend-On-Sea's population in addition to adjacent suburban areas.