Castries
- Country:
- Saint Lucia
- Continent:
- North America
Castries's 2026 population is now estimated at 59,021. In 2001, the population of Castries was 61,341. Castries experienced a decrease of -394 residents over the past year, marking an annual decline of -0.66%. These population values and projections come from Saint Lucia district census series via CityPopulation and World Population Review Internal Projections .