Houston vs San Francisco
Houston is about 2.9× larger than San Francisco by administrative area. Houston (United States) covers 1,725 km² (666 mi²) with a population of 2.3 million, while San Francisco (United States) covers 601 km² (232 mi²) with 873,965 residents.
| Metric | Houston | San Francisco |
|---|---|---|
| Area | 1,725 km² | 601 km² |
| Area (mi²) | 666 mi² | 232 mi² |
| Population | 2,304,580 | 873,965 |
| Population density | 1,336 /km² | 1,455 /km² |
| Area ratio | Houston is ~2.9× larger by area than San Francisco. | |
Frequently asked questions
Is Houston bigger than San Francisco?
Yes — Houston is about 2.9× larger by area: 1,725 km² vs 601 km².
How big is Houston?
Houston, United States, covers about 1,725 km² (666 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, Houston or San Francisco?
Houston has the larger population: 2.3 million vs 873,965. Population density is about 1,336 people/km² in Houston and 1,455 people/km² in San Francisco.
City boundaries from OpenStreetMap. Last updated 2026-08-19.
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