Country size comparison
Illinois is about 2.2 times smaller than Poland.
Poland is approximately 312,685 sq km, while Illinois is approximately 143,961 sq km, making Illinois 46.04% the size of Poland. Meanwhile, the population of Poland is ~38.1 million people (25.3 million fewer people live in Illinois).
This to-scale comparison of Poland vs. Illinois uses the Mercator projection, which distorts the size of regions near the poles. Learn more. Note: Try dragging the outline to reposition.