Jakarta
4,614 km²
Semarang
603 km²
City Map Compare/Jakarta vs Semarangvs
vs
5 km
Jakarta covers 4,614 km² of contiguous built-up land, 7.7× the built-up area of Semarang (603 km²).
| Jakarta | Semarang | |
|---|---|---|
| Urban area | Jakarta | Semarang |
| Population (2025) | 40.5 million | 3.27 million |
| Built-up area | 4,614 km² | 603 km² |
| Density | 8,787 /km² | 5,430 /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.