State size comparison
compared to
Illinois is about 1.2 times smaller than Washington.
Washington is approximately 172,348 sq km,
while Illinois is approximately 143,961 sq km, making
Illinois 83.53% the size of Washington.
Meanwhile, the population of Washington is ~6.7 million people
(6.1 million more people live in Illinois).
This to-scale comparison of
Washington
vs.
Illinois
uses the Mercator projection, which distorts the size of regions near the poles. Learn more.
Note: Try dragging the outline to reposition.