Castries Population 2026 capital
Castries has a population of 20,000, making it the #2 biggest city in 🇱🇨 Saint Lucia, located in Castries. Roughly 11% of Saint Lucia's population lives here. It is about 1.3× smaller than Gros Islet, the country's biggest city. Castries is the capital of Saint Lucia.
Population (city proper)
20,000
Rank in Saint Lucia
#2
Coordinates
14.00°N, 61.01°W
~119 m elevation · America/St_Lucia
Cities near Castries
- Gros Islet25,210 people · ~10 km away
FAQ
What is the population of Castries?
Castries has a population of 20,000 (city proper, latest official figure via GeoNames), making it the #2 biggest city in Saint Lucia.
What region is Castries in?
Castries is located in Castries, Saint Lucia.
Is Castries the capital of Saint Lucia?
Yes, Castries is the capital of Saint Lucia.
Sources & notes
Population refers to the city proper (municipal boundaries), not the metropolitan area. Source: GeoNames (CC BY 4.0), retrieved 2026-07-07. Country data: UN World Population Prospects 2024.
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