Cascais Population 2026
Cascais has a population of 36,436, making it the #41 biggest city in 🇵🇹 Portugal, located in Lisbon. Roughly 0.4% of Portugal's population lives here. It is about 14× smaller than Lisbon, the country's biggest city.
Population (city proper)
36,436
Rank in Portugal
#41
Coordinates
38.70°N, 9.42°W
~20 m elevation · Europe/Lisbon
Distance to capital (Lisbon)
24 km
15 miles, straight line
Other big cities in Lisbon
Cities near Cascais
- Monte Estoril23,375 people · ~2 km away
- Estoril23,700 people · ~2 km away
- Alcabideche33,315 people · ~4 km away
- São Domingos de Rana46,718 people · ~7 km away
- Carcavelos20,366 people · ~9 km away
- Oeiras35,000 people · ~10 km away
FAQ
What is the population of Cascais?
Cascais has a population of 36,436 (city proper, latest official figure via GeoNames), making it the #41 biggest city in Portugal.
What region is Cascais in?
Cascais is located in Lisbon, Portugal.
Is Cascais the capital of Portugal?
No, the capital of Portugal is Lisbon, about 24 km away.
Sources & notes
Population refers to the city proper (municipal boundaries), not the metropolitan area. Source: GeoNames (CC BY 4.0), retrieved 2026-07-07. Country data: UN World Population Prospects 2024.
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