Geography Quiz Arcade

Capital of Saint Lucia: Castries

The capital of Saint Lucia is Castries. Saint Lucia sits in North America, has a population of 179,857, and uses the XCD. Official languages include English.

Quick facts

  • Capital: Castries
  • Continent: North America
  • Population: ~179,857
  • Area: 616 km²
  • Population density: 292 people per km²
  • Official language: English
  • Currency: XCD
  • ISO code: LC

How big is Saint Lucia?

By population, Saint Lucia ranks 179th in the world, holding roughly well under a hundredth of a percent of all people on Earth. By land area it ranks 180th.

Those two numbers rarely match, and the gap between them is the interesting part. Saint Lucia has 292 people per square kilometre, which is about 4.9 times the world average of 59.4. It is more crowded than its size alone would suggest.

Within North America, Saint Lucia is the 18th most populous country of 23.

Countries of a similar size

The two countries closest to Saint Lucia in population are Samoa (222,382) and São Tomé and Príncipe (227,380).

By land area, its closest counterparts are Micronesia (702 km²) and Singapore (728 km²).

Comparisons like these are worth more than raw figures when you are trying to remember them. A number on its own is hard to hold; a number next to a country you already have a feel for is much easier.

Language and currency

English is spoken officially in 58 countries in this dataset, including Antigua and Barbuda, Australia, Bahamas, Barbados and Belize, and 52 others.

The XCD is not unique to Saint Lucia — it is also used by Antigua and Barbuda, Dominica, Grenada and Saint Kitts and Nevis, and 1 other. Shared currencies usually mark a monetary union or a long-standing peg, and they are a useful shortcut in quizzes: get one country's currency and you often get several.

Saint Lucia in North America

The largest countries by population sharing this continent are United States, Mexico, Canada and Guatemala.

If you are learning capitals region by region — far more effective than working alphabetically — North America is the block Saint Lucia belongs to, and its neighbours are the ones worth learning alongside it.

Try the Country to Capital Quiz, or the harder reverse direction. There is also a full country profile for Saint Lucia and a page on the flag of Saint Lucia.

Frequently asked questions

What is the capital of Saint Lucia?

The capital of Saint Lucia is Castries.

What is the population of Saint Lucia?

About 179,857, making it the 179th most populous country in the world.

How big is Saint Lucia?

616 square kilometres, ranking 180th by land area, at a density of 292 people per square kilometre.

What currency does Saint Lucia use?

The XCD, shared with 5 other countries.

More capitals to learn