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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 ~31.9 million people (19.1 million fewer people live in Illinois).
Size of Illinois vs. Australia
Size of Illinois vs. United Kingdom
Size of Illinois vs. Ireland
Size of Illinois vs. Thailand
Size of Illinois vs. United States
Size of Illinois vs. Spain
Size of Illinois (US) vs. Ohio (US)
Size of Illinois (US) vs. Florida (US)
Size of Illinois (US) vs. Arizona (US)
Size of Illinois (US) vs. Michigan (US)
Size of Illinois (US) vs. Indiana (US)
Size of Illinois (US) vs. New York (US)
