
East Sussex · England
Saint Leonards-on-Sea population
10,001people · latest estimate
Saint Leonards-on-Sea has a population of 10,001, making it the 11th largest place in East Sussex.
Year-by-year official estimates for the wider area: Hastings population trends, 2001–2025.
Saint Leonards-on-Sea in context
Distances are straight-line from the settlement's recorded coordinates. The 10 km figure sums the recorded places within that radius, so it describes how built-up the surroundings are rather than people per square kilometre.
The centre of Saint Leonards-on-Sea sits in postcode district TN38.
Council tax
The area Band D council tax for Hastings, the billing authority covering Saint Leonards-on-Sea, is £2,677 for 2026–27.
From MHCLG's council tax statistics (Table 9): the area average including police, fire and parish precepts, so it is the council's figure rather than the town's, and your own band depends on your property's 1991 valuation.