---
title: "Saint Lucia — capital, area, population and currency"
description: "Saint Lucia: capital Castries, area 616 km², population 180,149 (2025), currency Eastern Caribbean dollar. Languages, time zones and calling code."
url: https://atoneplace.net/country/saint-lucia/
site: "At One Place"
---

# Saint Lucia

**Saint Lucia: Capital Castries**

616 km² · 180,149 people (2025) · Eastern Caribbean dollar

The Pitons — Gros Piton at 771 m and Petit Piton at 743 m — are volcanic plugs rising straight out of the sea, and they appear on the flag. Sulphur Springs at Soufrière is often described as a drive-in volcano, because the road runs into the collapsed crater.

## The facts

- **Capital:** Castries
- **Area:** 616 km² — 238 sq mi
- **Population:** 180,149 (2025)
- **Density:** 292.4 people per km²
- **Currency:** Eastern Caribbean dollar (XCD, $)
- **Official language:** English
- **Time zone:** UTC-04:00
- **Calling code:** +1758
- **Drives on the:** left
- **ISO codes:** LC · LCA
- **Continent:** North America

## How it compares

- **By area:** 183 of 200
- **By population:** 181 of 200

> Population is the only figure on this page that dates — it is a 2025 estimate and will drift. Area, capital, currency, languages, calling code and driving side change rarely or never.

## Countries of a similar size

| Country | Area (km²) | Population |
| --- | --- | --- |
| Singapore | 719 | 6,111,175 |
| Micronesia | 702 | 113,683 |
| Saint Lucia ← | 616 | 180,149 |
| Andorra | 468 | 82,904 |
| Palau | 459 | 17,663 |

## Common questions

### What is the capital of Saint Lucia?

Castries

### What currency does Saint Lucia use?

The Eastern Caribbean dollar (XCD).

### How big is Saint Lucia?

616 km², or 238 square miles — 183 of 200 by area.

### Which side of the road does Saint Lucia drive on?

The left.

## Related pages

- [Singapore](https://atoneplace.net/country/singapore/)
- [Micronesia](https://atoneplace.net/country/micronesia/)
- [Andorra](https://atoneplace.net/country/andorra/)
- [Palau](https://atoneplace.net/country/palau/)
- [United States](https://atoneplace.net/country/united-states/)
- [Mexico](https://atoneplace.net/country/mexico/)
- [Canada](https://atoneplace.net/country/canada/)
- [Guatemala](https://atoneplace.net/country/guatemala/)
- [Haiti](https://atoneplace.net/country/haiti/)
- [Dominican Republic](https://atoneplace.net/country/dominican-republic/)
- [Honduras](https://atoneplace.net/country/honduras/)
- [Cuba](https://atoneplace.net/country/cuba/)

## Sources

- The World Factbook — Central Intelligence Agency (https://www.cia.gov/the-world-factbook/) [Public domain (US Government)]
- World Bank Open Data — The World Bank (https://data.worldbank.org/) [CC BY 4.0]