State size comparison
Pennsylvania is about 1.5 times smaller than Washington.
Washington is approximately 172,348 sq km, while Pennsylvania is approximately 116,075 sq km, making Pennsylvania 67.35% the size of Washington. Meanwhile, the population of Washington is ~6.7 million people (6.0 million more people live in Pennsylvania).
This to-scale comparison of Washington vs. Pennsylvania uses the Mercator projection, which distorts the size of regions near the poles. Learn more. Note: Try dragging the outline to reposition.