Below are the urban areas with more than 100,000 inhabitants in Portugal ranked by population.
Urban Area (or urban agglomeration) population refers to the population contained within the contours of a contiguous territory inhabited at urban density levels, typically comprising a city and its surrounding suburban fringe.
| Rank | Urban Area | Population Estimate (2025) | 1 Year Change (over 2024) | Land Area (Km²) | Density (P/Km²) | Global Rank | Projections (2030) | Projections (2050) |
|---|---|---|---|---|---|---|---|---|
| 1 | Lisboa (Lisbon) | 1,913,798 | 0.55% | 387 | 4,945 | 261 | 1,933,603 | 1,959,218 |
| 2 | Porto | 990,433 | −0.02% | 289 | 3,427 | 521 | 914,005 | 868,230 |
| 3 | Almada | 213,171 | 0.45% | 49 | 4,350 | 2,782 | 215,229 | 217,797 |
| 4 | Barreiro | 142,227 | 0.4% | 33 | 4,310 | 4,291 | 143,871 | 145,991 |
| 5 | Funchal | 133,455 | 0.11% | 46 | 2,901 | 4,568 | 132,424 | 129,582 |
| 6 | Braga | 105,073 | −0.04% | 24 | 4,378 | 5,880 | 103,511 | 95,751 |
| 7 | Setúbal | 97,435 | 0.38% | 16 | 6,090 | 6,349 | 98,028 | 98,702 |
| 8 | Amora | 97,426 | 0.34% | 21 | 4,639 | 6,352 | 98,322 | 99,483 |
| 9 | Póvoa de Varzim | 60,918 | −0.04% | 22 | 2,769 | 10,185 | 60,012 | 57,257 |
Source: United Nations, Department of Economic and Social Affairs, Population Division (2025). World Urbanization Prospects: The 2025 Revision, Online Edition.