Browse / United States / Puerto Rico / San Antonio
San Antonio
Puerto Ricocomunidad
Total population
6,727
Median home value
$147,500
Bachelor's+
Median income
$26,808
Demographic figures from US Census Bureau · ACS 5-year estimates. Overview below cites Wikipedia and may reference a different year.
City facts
Overview
Situated in Puerto Rico, United States, San Antonio is a small town. Its coordinates of 18.447°, -66.299° place it in the tropical zone of the northern hemisphere. It is home to roughly 6,727 residents. The town extends across a compact 4.9 km². That works out to roughly 1,373 residents per square kilometre — a densely built-up character. Based on its tropical position, residents likely encounter warm temperatures throughout the year with pronounced wet and dry seasons. Open-data panels below dive into population trends, climate normals, environmental indicators and nearby places.
Summary composed automatically from structured open data on this page. See our Terms for details.
History & geography
Demographics & economy
Race & ethnicity
Source: US Census Bureau — American Community Survey, 5-year estimates.
Geography
Coordinates & boundaries from the US Census TIGER/Line shapefiles.
Climate
Current forecast
Forecast for San Antonio, PR from NOAA NWS API.
Air quality
Industrial & pollution facilities
Natural hazard risk
Health (adults)
Walkability
Amenities nearby
Wildlife & biodiversity
Schools
Earthquake history
Photos
Sights & places nearby
Notable people from here
People born within ~10 km, from Wikidata (CC0). Click any name for their Wikipedia article.
Nearby places in Puerto Rico
Geography & sun
Nearby airports
Public attention
Books about this place
Recent natural events nearby
Ground air-quality sensors
Recently spotted species
Nearest stream gauge
Live readings from USGS NWIS · measured 2026-09-24 22:30 UTC.
Events
Gallery
Sources
- • US Census Bureau (ACS 5-year estimates)
- • NOAA National Weather Service
- • Wikidata
- • USGS NWIS (water data)