Porto Alegre
599 km²
São Paulo
2,111 km²
City Map Compare/Porto Alegre vs São Paulovs
vs
5 km
São Paulo covers 2,111 km² of contiguous built-up land, 3.5× the built-up area of Porto Alegre (599 km²).
| Porto Alegre | São Paulo | |
|---|---|---|
| Urban area | Porto Alegre | São Paulo |
| Population (2025) | 2.76 million | 19.5 million |
| Built-up area | 599 km² | 2,111 km² |
| Density | 4,613 /km² | 9,230 /km² |
Urban area = contiguous built-up land and the people living in it in 2025, drawn the same way for every city regardless of administrative boundaries. Source: GHSL Urban Centre Database R2024A, European Commission, Joint Research Centre (CC BY 4.0); some names adjusted to the city names people use, and country attribution follows the dataset.