Puerto Rico's cities at a glance
Dots sized by population · San Juan in orange
Puerto Rico has 4 with more than 100,000 (city-proper figures). The largest is San Juan with 418,140 people, followed by Bayamón (203,499) and Carolina (170,404). The three largest cities together hold about 24.6% of the country's 3.2 million people.
The capital, San Juan, is also the largest city.
By region, the most large cities are in Toa Baja (2).
Country-level figures — live population, births and deaths, growth, density and history — are on the Puerto Rico population page; provinces, terrain, rivers and society maps are in the Puerto Rico atlas.
Puerto Rico cities by population
| # | City | Region | Population | Share of Puerto Rico |
|---|---|---|---|---|
| 1 | San JuanCapital | San Juan | 418,140 | 13% |
| 2 | Bayamón | Bayamón | 203,499 | 6.3% |
| 3 | Carolina | Carolina | 170,404 | 5.3% |
| 4 | Ponce | Ponce | 137,491 | 4.3% |
| 5 | Arecibo | Arecibo | 87,754 | 2.7% |
| 6 | Caguas | Caguas | 86,804 | 2.7% |
| 7 | Guaynabo | Guaynabo | 81,360 | 2.5% |
| 8 | Trujillo Alto | Trujillo Alto | 75,243 | 2.3% |
| 9 | Mayagüez | Mayagüez | 73,077 | 2.3% |
| 10 | Fajardo | Fajardo | 32,124 | 1% |
| 11 | Levittown | Toa Baja | 29,785 | 0.9% |
| 12 | Vega Baja | Vega Baja | 29,325 | 0.9% |
| 13 | Cataño | Cataño | 28,093 | 0.9% |
| 14 | Barceloneta | Barceloneta | 22,322 | 0.7% |
| 15 | Guayama | Guayama | 21,575 | 0.7% |
| 16 | Humacao | Humacao | 20,387 | 0.6% |
| 17 | Yauco | Yauco | 20,295 | 0.6% |
| 18 | Cayey | Cayey | 18,494 | 0.6% |
| 19 | Candelaria | Toa Baja | 17,631 | 0.5% |
| 20 | Manatí | Manatí | 16,092 | 0.5% |
| 21 | Aguadilla | Aguadilla | 16,073 | 0.5% |
Cities with 300,000 or more people link to their own page. The list keeps every city of 100,000+ and at least the 30 largest places of the country.
Frequently asked questions
What is the largest city in Puerto Rico?
San Juan, with about 418,140 inhabitants (city proper).
What is the capital of Puerto Rico?
San Juan — population 418,140, the largest city in the country.
How many cities in Puerto Rico have over one million people?
None — the largest, San Juan, has 418,140 people.
Are these metropolitan-area populations?
No. They are city-proper figures (the administrative city) from GeoNames, based on the latest census or official estimate. Metropolitan areas, which include suburbs and satellite towns, are larger — often several times larger for the biggest cities.
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Glostats. (2026). Largest Cities in Puerto Rico 2026: Population Ranking. Retrieved October 20, 2026, from https://glostats.com/cities/puerto-rico/<a href="https://glostats.com/cities/puerto-rico/">Largest Cities in Puerto Rico 2026: Population Ranking</a> — GlostatsFigures on this page may be quoted, charted or republished as long as the page is credited with a link. Terms · Download the data as CSV · Embed a live counter.
City populations are GeoNames figures (CC BY 4.0): the latest official census or estimate for the city proper — the municipality, not the wider metropolitan area — so they can differ from "metro area" numbers you see elsewhere. Country populations are live Glostats estimates from the UN World Population Prospects. Page generated 2026-10-20. More about our data.