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São Paulo vs Seoul

São Paulo is about 2.5× larger than Seoul by administrative area. São Paulo (Brazil) covers 1,523 km² (588 mi²) with a population of 11.5 million, while Seoul (South Korea) covers 605 km² (234 mi²) with 9.7 million residents.

Metric São Paulo Seoul
Area 1,523 km² 605 km²
Area (mi²) 588 mi² 234 mi²
Population 11,451,999 9,668,465
Population density 7,519 /km² 15,974 /km²
Area ratioSão Paulo is ~2.5× larger by area than Seoul.

Frequently asked questions

Is São Paulo bigger than Seoul?

Yes — São Paulo is about 2.5× larger by area: 1,523 km² vs 605 km².

How big is São Paulo?

São Paulo, Brazil, covers about 1,523 km² (588 mi²) of administrative area.

How big is Seoul?

Seoul, South Korea, covers about 605 km² (234 mi²) of administrative area.

Which city has more people, São Paulo or Seoul?

São Paulo has the larger population: 11.5 million vs 9.7 million. Population density is about 7,519 people/km² in São Paulo and 15,974 people/km² in Seoul.

City boundaries from OpenStreetMap. Last updated 2026-08-18.

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