Tokyo vs San Francisco
Tokyo is about 3.7× larger than San Francisco by administrative area. Tokyo (Japan) covers 2,194 km² (847 mi²) with a population of 14.3 million, while San Francisco (United States) covers 601 km² (232 mi²) with 873,965 residents.
| Metric | Tokyo | San Francisco |
|---|---|---|
| Area | 2,194 km² | 601 km² |
| Area (mi²) | 847 mi² | 232 mi² |
| Population | 14,264,798 | 873,965 |
| Population density | 6,502 /km² | 1,455 /km² |
| Area ratio | Tokyo is ~3.7× larger by area than San Francisco. | |
Frequently asked questions
Is Tokyo bigger than San Francisco?
Yes — Tokyo is about 3.7× larger by area: 2,194 km² vs 601 km².
How big is Tokyo?
Tokyo, Japan, covers about 2,194 km² (847 mi²) of administrative area.
How big is San Francisco?
San Francisco, United States, covers about 601 km² (232 mi²) of administrative area.
Which city has more people, Tokyo or San Francisco?
Tokyo has the larger population: 14.3 million vs 873,965. Population density is about 6,502 people/km² in Tokyo and 1,455 people/km² in San Francisco.
City boundaries from OpenStreetMap. Last updated 2026-08-28.
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