State size comparison
compared to
Washington is about 1.2 times bigger than Illinois.
Illinois is approximately 143,961 sq km, while Washington is approximately 172,348 sq km, making Washington 20% larger than Illinois. Meanwhile, the population of Illinois is ~12.8 million people (6.1 million fewer people live in Washington).
This to-scale comparison of
Illinois
vs.
Washington
uses the Mercator projection, which distorts the size of regions near the poles. Learn more.
Note: Try dragging the outline to reposition.
