Country size comparison
compared to
Cook Islands is about 610 times smaller than Illinois.
Illinois is approximately 143,961 sq km, while Cook Islands is approximately 236 sq km, making Cook Islands 0.16% the size of Illinois. Meanwhile, the population of Illinois is ~12.7 million people (12.7 million fewer people live in Cook Islands).
Tip:
This to-scale comparison of
Illinois
vs.
Cook Islands
uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Cook Islands vs. Illinois
Flip Comparison · See true size
See Cook Islands on top of Illinois
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Quality of Life Comparison · 2 statistics
Be 38.3% more likely to have internet access in Illinois
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Cost of Living Comparison · 5 categories - 2026 data
Illinois is 49.5% more expensive than Cook Islands overall
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Moving from Cook Islands to Illinois · Cost, visas & climate
Compare cost of living, salary and climate.
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