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Chicago vs Vienna

Chicago is about 1.5× larger than Vienna by administrative area. Chicago (United States) covers 606 km² (234 mi²) with a population of 2.7 million, while Vienna (Austria) covers 415 km² (160 mi²) with 2.0 million residents.

Metric Chicago Vienna
Area 606 km² 415 km²
Area (mi²) 234 mi² 160 mi²
Population 2,746,388 2,028,499
Population density 4,529 /km² 4,891 /km²
Area ratioChicago is ~1.5× larger by area than Vienna.

Frequently asked questions

Is Chicago bigger than Vienna?

Yes — Chicago is about 1.5× larger by area: 606 km² vs 415 km².

How big is Chicago?

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

How big is Vienna?

Vienna, Austria, covers about 415 km² (160 mi²) of administrative area.

Which city has more people, Chicago or Vienna?

Chicago has the larger population: 2.7 million vs 2.0 million. Population density is about 4,529 people/km² in Chicago and 4,891 people/km² in Vienna.

City boundaries from OpenStreetMap. Last updated 2026-08-20.

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