State size comparison
compared to
Montana is about 2.6 times bigger than Illinois.
Illinois is approximately 143,961 sq km, while Montana is approximately 376,979 sq km, making Montana 162% larger than Illinois. Meanwhile, the population of Illinois is ~12.8 million people (11.8 million fewer people live in Montana).
This to-scale comparison of
Illinois
vs.
Montana
uses the Mercator projection, which distorts the size of regions near the poles. Learn more.
Note: Try dragging the outline to reposition.
