State size comparison
Colorado is about 2.3 times bigger than Pennsylvania.
Pennsylvania is approximately 116,075 sq km, while Colorado is approximately 268,627 sq km, making Colorado 131% larger than Pennsylvania. Meanwhile, the population of Pennsylvania is ~12.7 million people (7.7 million fewer people live in Colorado).
This to-scale comparison of Pennsylvania vs. Colorado uses the Mercator projection, which distorts the size of regions near the poles. Learn more. Note: Try dragging the outline to reposition.