Country size comparison

compared to

Illinois is about 9 times smaller than Peru.

Peru is approximately 1,285,216 sq km, while Illinois is approximately 143,961 sq km, making Illinois 11.2% the size of Peru. Meanwhile, the population of Peru is ~32.3 million people (19.4 million fewer people live in Illinois).
Tip: This to-scale comparison of Peru vs. Illinois uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Illinois vs. Peru
Flip Comparison · See true size
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Cost of Living Comparison · 7 categories - 2026 data
Peru is 51.0% cheaper than Illinois
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