Miami
2,784 km²
San Juan
309 km²
City Map Compare/Miami vs San Juanvs
vs
5 km
Miami covers 2,784 km² of contiguous built-up land, 9.0× the built-up area of San Juan (309 km²).
| Miami | San Juan | |
|---|---|---|
| Urban area | Miami | San Juan |
| Population (2025) | 5.73 million | 748,534 |
| Built-up area | 2,784 km² | 309 km² |
| Density | 2,059 /km² | 2,422 /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.