San Francisco vs Vienna
San Francisco is about 1.4× larger than Vienna by administrative area. San Francisco (United States) covers 601 km² (232 mi²) with a population of 873,965, while Vienna (Austria) covers 415 km² (160 mi²) with 2.0 million residents.
| Metric | San Francisco | Vienna |
|---|---|---|
| Area | 601 km² | 415 km² |
| Area (mi²) | 232 mi² | 160 mi² |
| Population | 873,965 | 2,028,499 |
| Population density | 1,455 /km² | 4,891 /km² |
| Area ratio | San Francisco is ~1.4× larger by area than Vienna. | |
Frequently asked questions
Is San Francisco bigger than Vienna?
Yes — San Francisco is about 1.4× larger by area: 601 km² vs 415 km².
How big is San Francisco?
San Francisco, United States, covers about 601 km² (232 mi²) of administrative area.
How big is Vienna?
Vienna, Austria, covers about 415 km² (160 mi²) of administrative area.
Which city has more people, San Francisco or Vienna?
Vienna has the larger population: 2.0 million vs 873,965. Population density is about 1,455 people/km² in San Francisco and 4,891 people/km² in Vienna.
City boundaries from OpenStreetMap. Last updated 2026-08-14.
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