Country size comparison

compared to

Illinois is about 265 times bigger than Guam.

Guam is approximately 544 sq km, while Illinois is approximately 143,961 sq km, making Illinois 26,363% larger than Guam. Meanwhile, the population of Guam is ~169,086 people (12.7 million more people live in Illinois).
Tip: This to-scale comparison of Guam vs. Illinois uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Illinois vs. Guam

Flip Comparison · See true size
See Illinois on top of Guam
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Quality of Life Comparison · 2 statistics
Be 12.9% more likely to be unemployed in Guam
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Cost of Living Comparison · 7 categories - 2026 data
Guam is 20.3% more expensive than Illinois
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Moving from Illinois to Guam · Cost, visas & climate
Compare cost of living, salary and climate.
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