State size comparison
compared to
Illinois is about 1.2 times bigger than Pennsylvania.
Pennsylvania is approximately 116,075 sq km,
while Illinois is approximately 143,961 sq km, making
Illinois 24% larger than Pennsylvania.
Meanwhile, the population of Pennsylvania is ~12.7 million people
(128,253 more people live in Illinois).
This to-scale comparison of
Pennsylvania
vs.
Illinois
uses the Mercator projection, which distorts the size of regions near the poles. Learn more.
Note: Try dragging the outline to reposition.