Houston vs Rome
Houston is about 1.3× larger than Rome by administrative area. Houston (United States) covers 1,725 km² (666 mi²) with a population of 2.3 million, while Rome (Italy) covers 1,287 km² (497 mi²) with 2.7 million residents.
| Metric | Houston | Rome |
|---|---|---|
| Area | 1,725 km² | 1,287 km² |
| Area (mi²) | 666 mi² | 497 mi² |
| Population | 2,304,580 | 2,748,109 |
| Population density | 1,336 /km² | 2,135 /km² |
| Area ratio | Houston is ~1.3× larger by area than Rome. | |
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Both outlines are drawn at the same scale.
Frequently asked questions
Is Houston bigger than Rome?
Yes — Houston is about 1.3× larger by area: 1,725 km² vs 1,287 km².
How big is Houston?
Houston, United States, covers about 1,725 km² (666 mi²) of administrative area.
How big is Rome?
Rome, Italy, covers about 1,287 km² (497 mi²) of administrative area.
Which city has more people, Houston or Rome?
Rome has the larger population: 2.7 million vs 2.3 million. Population density is about 1,336 people/km² in Houston and 2,135 people/km² in Rome.
City boundaries from OpenStreetMap. Last updated 2026-10-18.
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