State size comparison
compared to
Delaware is about 28 times smaller than Illinois.
Illinois is approximately 143,961 sq km, while Delaware is approximately 5,060 sq km, making Delaware 3.51% the size of Illinois. Meanwhile, the population of Illinois is ~12.8 million people (11.9 million fewer people live in Delaware).
Compare further: Delaware vs. Illinois
Flip Comparison · See true size
See Delaware on top of Illinois
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Quality of Life Comparison · 9 statistics
Be 15.2% more likely to live below the poverty line in Illinois
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Cost of Living Comparison · 7 categories - 2026 data
Illinois is 2.8% cheaper than Delaware
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City Size Comparison · See true size
Compare the size of New York City vs Chicago
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