About Río Piedras
Río Piedras is a city located in United States, in the Puerto Rico region. According to the latest available data (2026), the population of Río Piedras is approximately 332,344 residents, making it the #227 most populous city in United States.
Globally, Río Piedras ranks #5,546 among the world's most populated cities.
Río Piedras City Statistics
| City | Río Piedras |
| Country |  United States |
| Population | 332,344 |
| Global Rank | #5,546 |
| Rank in United States | #227 of 867 cities |
| City Category | city |
| Region | Puerto Rico |
| Latitude | 18.3997 |
| Longitude | -66.05 |
| Data Year | 2026 |
Where is Río Piedras Located?
Río Piedras is located in United States, in the Puerto Rico region, at coordinates 18.3997° latitude and -66.05° longitude. Located near the equator, Río Piedras experiences a tropical climate with warm temperatures throughout the year.
Nearby Cities
Other Cities in United States
Largest Cities in United States
| # | City | Population |
|---|---|---|
| 1 | Harris County | 4,731,145 |
| 2 | Los Angeles | 3,898,747 |
| 3 | San Diego County | 3,298,634 |
| 4 | Brooklyn | 2,736,074 |
| 5 | Miami-Dade County | 2,701,767 |
Frequently Asked Questions
What is the population of Río Piedras?
The population of Río Piedras is approximately 332,344 residents according to the latest available data (2026).
Where is Río Piedras located?
Río Piedras is located in United States at approximately 18.3997° latitude and -66.05° longitude.
Is Río Piedras one of the largest cities in United States?
With a population of 332,344, Río Piedras is one of the notable urban areas in United States. It ranks #227 out of 867 cities in the country.
