State size comparison
Illinois is about 1.3 times bigger than Louisiana.
Louisiana is approximately 112,825 sq km, while Illinois is approximately 143,961 sq km, making Illinois 28% larger than Louisiana. Meanwhile, the population of Louisiana is ~4.5 million people (8.3 million more people live in Illinois).
This to-scale comparison of Louisiana vs. Illinois uses the Mercator projection, which distorts the size of regions near the poles. Learn more. Note: Try dragging the outline to reposition.