Puerto Rico is about 28 times smaller than Wyoming.

Wyoming is approximately 251,489 sq km, while Puerto Rico is approximately 9,104 sq km, making Puerto Rico 3.62% the size of Wyoming. Meanwhile, the population of Wyoming is ~563,626 people (2.5 million more people live in Puerto Rico).
Tip: This to-scale comparison of Wyoming vs. Puerto Rico uses the Mercator projection, which distorts the size of regions near the poles.
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