Houston vs Vienna
Houston is about 4.2× larger than Vienna by administrative area. Houston (United States) covers 1,725 km² (666 mi²) with a population of 2.3 million, while Vienna (Austria) covers 415 km² (160 mi²) with 2.0 million residents.
| Metric | Houston | Vienna |
|---|---|---|
| Area | 1,725 km² | 415 km² |
| Area (mi²) | 666 mi² | 160 mi² |
| Population | 2,304,580 | 2,028,499 |
| Population density | 1,336 /km² | 4,891 /km² |
| Area ratio | Houston is ~4.2× larger by area than Vienna. | |
Frequently asked questions
Is Houston bigger than Vienna?
Yes — Houston is about 4.2× larger by area: 1,725 km² vs 415 km².
How big is Houston?
Houston, United States, covers about 1,725 km² (666 mi²) of administrative area.
How big is Vienna?
Vienna, Austria, covers about 415 km² (160 mi²) of administrative area.
Which city has more people, Houston or Vienna?
Houston has the larger population: 2.3 million vs 2.0 million. Population density is about 1,336 people/km² in Houston and 4,891 people/km² in Vienna.
City boundaries from OpenStreetMap. Last updated 2026-08-19.
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