Saint Lucia is a country in North America, known for the Piton Mountains and volcanic beaches. It has a population of 180.5 thousand, making it the 191st largest country in the world. Its capital is Castries. Saint Lucia has a tourism-dependent economy with agricultural exports.
Saint Lucia's population structure shows a slightly lower male to female ratio of 0.97 to 1, with a median male age of 35.20 years old and a median female age of 37 years old. The highest concentration of adults under 75 years old is in the 31 and 32 year-old age groups, while the lowest concentration is in the 74 and 73 year-old age groups.
Data after 2022 is projected based on recent change
Overall: 36.08
Male: 35.20
Female: 37
There are 142,622 adults, (18,679 of whom are seniors) in Saint Lucia.
Female: 91,558 (50.7%)
Male: 88,952 (49.3%)
* As of 2/18/2026
1 birth
Every 4.8 hours
1 death
Every 6.0 hours
1 emigrant
Every several days
1 person
Every 1.0 days
13K
2.3K
4.7K
20K
| City | 2026 Pop. ↓ |
|---|---|
| Castries | 20,000 |
| Bisee | 12,980 |
The capital and largest city is Castries, with a 2014 population of 70,000, or more than one-third of the total population. Castries is a major tourist destination and a cruise ship port.
St Lucia’s population is evenly split between rural and urban areas, despite the high population in Castries. The population is mostly African or of mixed African-European descent, with a small population of Indo-Caribbeans (3%). Afro-Caribbeans account for 68% of the population, followed by mixed (17%) and European (5%).
The official language is English, with Saint Lucian Creole French (called Patwah locally) spoken by 95% of the people. 70% of the population is Roman Catholic, while most of the remaining population belonging to other denominations such as Seventh-day Adventism (7%) and Pentecostalism (6%).
Interestingly, St Lucia has produced the highest ratio of Nobel laureates compared to the total population of any sovereign nation.
The main religion in Saint Lucia is Roman Catholic.