State size comparison
compared to
Missouri is about 1.2 times bigger than Illinois.
Illinois is approximately 143,961 sq km,
while Missouri is approximately 178,414 sq km, making
Missouri 24% larger than Illinois.
Meanwhile, the population of Illinois is ~12.8 million people
(6.8 million fewer people live in Missouri).
This to-scale comparison of
Illinois
vs.
Missouri
uses the Mercator projection, which distorts the size of regions near the poles. Learn more.
Note: Try dragging the outline to reposition.
