Dominican Republic vs Puerto Rico

Dominican Republic is 5.35 times larger than Puerto Rico. Puerto Rico would fit into Dominican Republic about 5.3 times.

Dominican RepublicPuerto RicoDominican Republic moved onto Puerto Rico · Equal-area projection
5.35×
Dominican Republic is 5.35× the area of Puerto Rico.
Dominican RepublicPuerto Rico
Area48,671 km²9,104 km²
Population11,520,4873,184,835
Density237 / km²350 / km²
CapitalSanto DomingoSan Juan
RegionCaribbeanCaribbean
CoastlineHas a coastHas a coast
Neighbours10

Why the map you grew up with disagrees

On a Mercator map, area grows with distance from the equator. Dominican Republic sits at about 19°N and is stretched to 1.12× its true area; Puerto Rico at 18° N is stretched to 1.11×. Here the two are distorted about the same amount, so Mercator gets this pair roughly right. The figure above uses the Equal Earth projection, where every square kilometre is drawn the same size.

Questions about this pair

Is Dominican Republic bigger than Puerto Rico?
Yes. Dominican Republic is 5.35 times larger than Puerto Rico. Dominican Republic covers 48,671 km² and Puerto Rico covers 9,104 km².
How many times does Puerto Rico fit into Dominican Republic?
About 5.3 times: Dominican Republic has 5.35× the area of Puerto Rico.
Why do Dominican Republic and Puerto Rico look different on Google Maps?
Web maps use the Mercator projection, which stretches area with distance from the equator. Dominican Republic is drawn about 1.12× its true area there and Puerto Rico about 1.11×. For this pair the distortion is similar, so Mercator gets the comparison roughly right. Kartavera uses Equal Earth, where every square kilometre is drawn the same size.
Which has more people, Dominican Republic or Puerto Rico?
Dominican Republic: 11,520,487 people against 3,184,835. Density: Dominican Republic 237 per km², Puerto Rico 350 per km².