Country size comparison

compared to

Slovakia is about 2.9 times smaller than Illinois.

Illinois is approximately 143,961 sq km, while Slovakia is approximately 49,035 sq km, making Slovakia 34.06% the size of Illinois. Meanwhile, the population of Illinois is ~12.8 million people (7.4 million fewer people live in Slovakia).
Tip: This to-scale comparison of Illinois vs. Slovakia uses the Mercator projection, which distorts the size of regions near the poles.
Share
Compare further: Slovakia vs. Illinois
Flip Comparison · See true size
See Slovakia on top of Illinois
→
Quality of Life Comparison · 4 statistics
Make 79.9% more money in Illinois
→
Cost of Living Comparison · 7 categories - 2026 data
Illinois is 80.7% more expensive than Slovakia overall
→