Illinois is about 1.9 times bigger than South Carolina.

South Carolina is approximately 77,983 sq km, while Illinois is approximately 143,961 sq km, making Illinois 85% larger than South Carolina. Meanwhile, the population of South Carolina is ~4.6 million people (8.2 million more people live in Illinois).
This to-scale comparison of South Carolina vs. Illinois uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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