State size comparison

compared to

Oregon is about 1.7 times bigger than Illinois.

Illinois is approximately 143,961 sq km, while Oregon is approximately 248,631 sq km, making Oregon 73% larger than Illinois. Meanwhile, the population of Illinois is ~12.8 million people (9.0 million fewer people live in Oregon).
Tip: This to-scale comparison of Illinois vs. Oregon uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Oregon vs. Illinois

Flip Comparison · See true size
See Oregon on top of Illinois
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Quality of Life Comparison · 12 statistics
Make 14.7% more money in Illinois
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Cost of Living Comparison · 7 categories - 2026 data
Illinois is 8.7% more expensive than Oregon
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