State size comparison
compared to
Texas is about 4.7 times bigger than Illinois.
Illinois is approximately 143,961 sq km, while Texas is approximately 678,052 sq km, making Texas 371% larger than Illinois. Meanwhile, the population of Illinois is ~12.8 million people (12.3 million more people live in Texas).
Compare further: Texas vs. Illinois
Flip Comparison · See true size
See Texas on top of Illinois
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Quality of Life Comparison · 12 statistics
Be 23.1% more likely to be unemployed in Illinois
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Cost of Living Comparison · 7 categories - 2026 data
Illinois is 6.1% more expensive than Texas
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City Size Comparison · See true size
Compare the size of Austin vs Chicago
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