Saint Lucia Population Overview
Saint Lucia is an island country in the West Indies in the eastern Caribbean Sea, bordering the Atlantic Ocean. As per the UN World Population Prospects, the population of Saint Lucia in 2026 is 181,310, making it the 11th most populous country in the Caribbean.
With a land area of 301 sq. km (234 sq. mi), Saint Lucia has a population density of 124 people per sq. km. The nation is independent, and its capital city is Castries, which is the largest urban center on the island.
Saint Lucia’s population has grown steadily over the decades, with gradual increases from 114,000 in 1950 to over 181,000 in 2026. The island continues to experience moderate demographic growth, shaped by natural population increase and migration trends.
👉 Projected Population of Saint Lucia (2026): ~181,310
| Metric | Value |
| Population 2026 | 181,310 |
| Caribbean Rank | 11 |
| Sovereignty | Independent |
| Land Area | 301 sq. km (234 sq. mi) |
| Pop. Density | 124 people/sq. km |
| Capital City | Castries |
Source: UN World Population Prospects
Religion in Saint Lucia
Christianity is the main religion in Saint Lucia. Among Christians, Roman Catholics have the most number of adherents followed by Protestants.
Around 61.5% of the population is Roman Catholic. 25.5% belong to Protestant denominations, (including Seventh Day Adventist 10.4%, Pentecostal 8.9%, Baptist 2.2%, Evangelical 2.3%, Church of God 1.5%, other Protestant 0.9%). Other Christians include Anglicanism (3.4%) and Jehovah’s Witnesses (1.1%),
1.9% of the population adheres to the Rastafari movement. Other religions include Hinduism, Bahá’í Faith, Judaism, and Buddhism. Approx 5.90% of the population is unaffiliated or Irreligious.
| Religion / Affiliation | Percentage |
| Roman Catholic | 61.50% |
| Protestant | 25.50% |
| – Seventh-day Adventist | 10.40% |
| – Pentecostal | 8.90% |
| – Baptist | 2.20% |
| – Evangelical | 2.30% |
| – Church of God | 1.50% |
| – Other Protestant | 0.20% |
| Other Christians | |
| Anglican | 3.40% |
| Jehovah’s Witness | 1.10% |
| Other faiths | |
| Rastafarian | 1.90% |
| Other | 0.40% |
| None | 5.90% |
| Unspecified | 0.30% |
Source: Census 2010
Ethnicity in Saint Lucia
Saint Lucia is a multi-ethnic nation, home to people of different ethnic, religious and national backgrounds.
Saint Lucia’s population is predominantly African/black (85.3%) or of mixed African-European descent (10.9%). 2.2% of the population is East Indian (Indo-Caribbean)
0.6% population is white and 0.6% of the population is Amerindian (Carib). The remaining includes Chinese (0.1%) and people from the Middle East (0.1%).
The racial composition is as follows
| Race and Ethnicity | Percentage |
| Black | 85.30% |
| Mixed | 10.90% |
| East Indians | 2.20% |
| Others | 1.60% |
| Unspecified | 0.10% |
Largest Cities in Saint Lucia
| City | Population |
|---|---|
| Castries | 20,000+ |
| Gros Islet | 10,000+ |
| Vieux Fort | 9,000+ |
| Soufrière | 7,000+ |
| Dennery | 4,000+ |
FAQs – Saint Lucia Population
Q1: What is the population of Saint Lucia in 2026?
A: The population of Saint Lucia in 2026 is estimated at 181,310.
Q2: What is the population density of Saint Lucia?
A: Saint Lucia has a population density of approximately 124 people per sq. km.
Q3: What is the capital city of Saint Lucia?
A: The capital city of Saint Lucia is Castries.
Q4: What is the main religion in Saint Lucia?
A: The majority of Saint Lucians follow Roman Catholicism (~61%), with Protestants (~25%) and other religions making up the rest.
Q5: What are the main ethnic groups in Saint Lucia?
A: Most of Saint Lucia’s population is of African descent (~85%), followed by mixed heritage (~10%), European (~2%), and East Indian/other communities (~3%).
Q6: How does Saint Lucia rank by population in the Caribbean?
A: Saint Lucia ranks 11th in the Caribbean by total population.
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