State size comparison
compared to
District of Columbia is about 813 times smaller than Illinois.
Illinois is approximately 143,961 sq km, while District of Columbia is approximately 177 sq km, making District of Columbia 0.12% the size of Illinois. Meanwhile, the population of Illinois is ~12.8 million people (12.2 million fewer people live in District of Columbia).
Tip:
This to-scale comparison of
Illinois
vs.
District of Columbia
uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: District of Columbia vs. Illinois
Flip Comparison · See true size
See District of Columbia on top of Illinois
→
Quality of Life Comparison · 19 statistics
Make 66.2% less money in Illinois
→
Cost of Living Comparison · 7 categories - 2026 data
Illinois is 22.7% cheaper than District of Columbia
→
City Size Comparison · See true size
Compare the size of Los Angeles vs Chicago
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