Country size comparison
compared to
Costa Rica is about 2.8 times smaller than Illinois.
Illinois is approximately 143,961 sq km, while Costa Rica is approximately 51,100 sq km, making Costa Rica 35.5% the size of Illinois. Meanwhile, the population of Illinois is ~12.8 million people (7.6 million fewer people live in Costa Rica).
Tip:
This to-scale comparison of
Illinois
vs.
Costa Rica
uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Costa Rica vs. Illinois
Flip Comparison · See true size
See Costa Rica on top of Illinois
→
Quality of Life Comparison · 4 statistics
Make 2.7 times more money in Illinois
→
Cost of Living Comparison · 7 categories - 2026 data
Illinois is 52.8% more expensive than Costa Rica overall
→
Moving from Costa Rica to Illinois · Cost, visas & climate
Compare cost of living, salary and climate.
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