State size comparison
compared to
Illinois is about 813 times bigger than District of Columbia.
District of Columbia is approximately 177 sq km, while Illinois is approximately 143,961 sq km, making Illinois 81,234% larger than District of Columbia. Meanwhile, the population of District of Columbia is ~693,645 people (12.0 million more people live in Illinois).
Tip:
This to-scale comparison of
District of Columbia
vs.
Illinois
uses the Mercator projection, which distorts the size of regions near the poles.
Try dragging the outline to reposition.
Compare further: Illinois vs. District of Columbia
Flip Comparison · See true size
See Illinois on top of District of Columbia
→
Quality of Life Comparison · 19 statistics
Make 3.0 times more money in District of Columbia
→
Cost of Living Comparison · 7 categories - 2026 data
District of Columbia is 47.7% more expensive than Illinois
→
Moving from Illinois to District of Columbia · Cost, visas & climate
Compare cost of living, salary and climate.
→
City Size Comparison · See true size
Compare the size of Chicago vs Washington
→
Our free app, MapSize by MyLifeElsewhere — compare any two places, to scale on your mobile device.