Buenos Aires
2,186 km²
Rosario
199 km²
City Map Compare/Buenos Aires vs Rosariovs
vs
5 km
Buenos Aires covers 2,186 km² of contiguous built-up land, 11× the built-up area of Rosario (199 km²).
| Buenos Aires | Rosario | |
|---|---|---|
| Urban area | Buenos Aires | Rosario |
| Population (2025) | 14.2 million | 1.19 million |
| Built-up area | 2,186 km² | 199 km² |
| Density | 6,487 /km² | 5,967 /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.