United States is about 68 times bigger than Illinois.

Illinois is approximately 143,961 sq km, while United States is approximately 9,833,517 sq km, making United States 6,731% larger than Illinois. Meanwhile, the population of Illinois is ~12.8 million people (324.5 million more people live in United States).
This to-scale comparison of Illinois vs. United States uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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