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Chicago vs Athens

Chicago is about 16× larger than Athens by administrative area. Chicago (United States) covers 606 km² (234 mi²) with a population of 2.7 million, while Athens (Greece) covers 39 km² (15 mi²) with 643,452 residents.

Metric Chicago Athens
Area 606 km² 39 km²
Area (mi²) 234 mi² 15 mi²
Population 2,746,388 643,452
Population density 4,529 /km² 16,499 /km²
Area ratioChicago is ~16× larger by area than Athens.
10 km
Chicago
10 km
AthensApproximate boundary

Both outlines are drawn at the same scale.

Frequently asked questions

Is Chicago bigger than Athens?

Yes — Chicago is about 16× larger by area: 606 km² vs 39 km².

How big is Chicago?

Chicago, United States, covers about 606 km² (234 mi²) of administrative area.

How big is Athens?

Athens, Greece, covers about 39 km² (15 mi²) of administrative area.

Which city has more people, Chicago or Athens?

Chicago has the larger population: 2.7 million vs 643,452. Population density is about 4,529 people/km² in Chicago and 16,499 people/km² in Athens.

City boundaries from OpenStreetMap. Last updated 2026-10-18.

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