Cayey Population 2026
Cayey has a population of 18,494, making it the #18 biggest city in 🇵🇷 Puerto Rico, located in Cayey. Roughly 0.6% of Puerto Rico's population lives here. It is about 23× smaller than San Juan, the country's biggest city.
Population (city proper)
18,494
Rank in Puerto Rico
#18
Coordinates
18.11°N, 66.17°W
~397 m elevation · America/Puerto_Rico
Distance to capital (San Juan)
40 km
25 miles, straight line
Cities near Cayey
- Guayama21,575 people · ~15 km away
- Caguas86,804 people · ~18 km away
- Guaynabo81,360 people · ~28 km away
- Trujillo Alto75,243 people · ~32 km away
- Bayamón203,499 people · ~32 km away
- Candelaria17,631 people · ~33 km away
FAQ
What is the population of Cayey?
Cayey has a population of 18,494 (city proper, latest official figure via GeoNames), making it the #18 biggest city in Puerto Rico.
What region is Cayey in?
Cayey is located in Cayey, Puerto Rico.
Is Cayey the capital of Puerto Rico?
No, the capital of Puerto Rico is San Juan, about 40 km away.
Sources & notes
Population refers to the city proper (municipal boundaries), not the metropolitan area. Source: GeoNames (CC BY 4.0), retrieved 2026-07-07. Country data: UN World Population Prospects 2024.
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