State size comparison
compared to
California is about 2.8 times bigger than Illinois.
Illinois is approximately 143,961 sq km,
while California is approximately 403,882 sq km, making
California 181% larger than Illinois.
Meanwhile, the population of Illinois is ~12.8 million people
(24.4 million more people live in California).
This to-scale comparison of
Illinois
vs.
California
uses the Mercator projection, which distorts the size of regions near the poles. Learn more.
Note: Try dragging the outline to reposition.
