Cascais: population and statistics
Cascais has a population of 242,619 (2025) across 97.4 km², or 2,491 people per km². It ranks 5 of 308 municipalities by population. Its population is growing: +7.2% between 2021 and 2025.
- 242,619 residents
- 97.4 km²
- 2,491 people/km²
- 21 m
Key points
Among the 16 municipalities in Lisbon, Cascais ranks No. 3 by population.
Population with completed higher education: 35.1% in Cascais, compared with an average of 29.8% in Lisbon and 21.5% nationally.
Largest business sector: Administrative and support services, with 21.7% of the area's businesses.
A 1 kWp solar panel tilted at 34° generates about 1,656 kWh a year here.
Cascais in numbers
Where is Cascais?
Population of Cascais over time
Cascais had 226,392 residents in 2021 and 242,619 in 2025.
| Year | Population |
|---|---|
| 2021 | 226,392 |
| 2022 | 236,904 |
| 2023 | 241,537 |
| 2024 | 244,276 |
| 2025 | 242,619 |
Did you know?
- Number 1 in Lisbon for “Usual residences with central heating”.
- “Median selling price of housing per m²”: higher than in 99% of municipalities.
- “Population with completed higher education”: higher than in 99% of municipalities.
- “Enterprises”: higher than in 99% of municipalities.
- Its area is roughly equal to 13,641 football pitches.
- Its population density is 20.1 times the national average.
- The nearest municipality is Oeiras, 10.3 km away.
All indicators for Cascais
Value for the municipality, then the regional average and the national median (for counts: regional and national totals). The gauge places the municipality between the lowest and highest value in the country.
Population
| Indicator | Cascais | Lisbon | National | Position | Rank |
|---|---|---|---|---|---|
| Population aged 65 and over (2025) | 22.4% | 20.2% | 26.9% | ranked 242 of 307 | |
| Population under 15 (2025) | 13.4% | 13.2% | 11.7% | ranked 35 of 307 | |
| Ageing index (older people per 100 young people) (2025) | 167.1 | – | 229.9 | ranked 264 of 307 | |
| Population density (inhabitants per km²) (2025) | 2,491 inh./km² | – | 69.6 inh./km² | ranked 10 of 307 | |
| Population change between 2021 and 2025 (2025) | 7.17% | – | 4.50% | ranked 85 of 307 |
Housing
| Indicator | Cascais | Lisbon | National | Position | Rank |
|---|---|---|---|---|---|
| Buildings (2021) | 44,226 | 365,844 | 3,573,416 | ranked 7 of 308 | |
| Buildings built before 1946 (2021) | 4.2% | 14.2% | 12.8% | ranked 300 of 307 | |
| Buildings built since 2001 (2021) | 19.2% | 14.1% | 16.8% | ranked 101 of 307 | |
| Buildings in need of medium or extensive repair (2021) | 10.4% | 11.1% | 14.2% | ranked 242 of 307 | |
| Conventional family dwellings (2021) | 110,551 | 1,188,665 | 5,970,677 | ranked 5 of 308 | |
| Dwellings used as secondary residences (2021) | 11.7% | 9.2% | 25.8% | ranked 249 of 307 | |
| Vacant dwellings (2021) | 10.1% | 11.1% | 13.1% | ranked 244 of 307 | |
| Owner-occupied usual residences (2021) | 65.3% | 62.8% | 77.8% | ranked 291 of 307 | |
| Rented usual residences (2021) | 26.5% | 30.0% | 13.6% | ranked 17 of 307 | |
| Usual residences in buildings with 3 or more dwellings (2021) | 63.9% | 76.1% | 13.8% | ranked 18 of 307 | |
| Median selling price of housing per m² (2025) | 4,550 €/m² | – | 1,108 €/m² | ranked 2 of 305 |
Energy
| Indicator | Cascais | Lisbon | National | Position | Rank |
|---|---|---|---|---|---|
| Usual residences without heating (2021) | 29.2% | 34.6% | 18.6% | ranked 84 of 307 | |
| Usual residences with central heating (2021) | 13.0% | 8.6% | 12.6% | ranked 146 of 307 | |
| Electricity consumption per inhabitant (2024) | 2,894 kWh/inh. | 3,519 kWh/inh. | 3,690 kWh/inh. | ranked 260 of 307 |
Economy
| Indicator | Cascais | Lisbon | National | Position | Rank |
|---|---|---|---|---|---|
| Enterprises (2023) | 38,718 | 386,981 | 1,510,274 | ranked 5 of 308 | |
| Enterprises per 1,000 inhabitants (2023) | 160.3 | 148.6 | 128.1 | ranked 56 of 307 | |
| Declared gross income per inhabitant (2024) | 15,189 € | 14,038 € | 10,553 € | ranked 7 of 307 | |
| Purchasing power per capita (Portugal = 100) (2023) | 117.5 | 124.4 | 79.5 | ranked 9 of 307 |
Employment
| Indicator | Cascais | Lisbon | National | Position | Rank |
|---|---|---|---|---|---|
| Unemployment rate (2021) | 8.3% | 8.3% | 7.0% | ranked 78 of 307 | |
| Average monthly earnings of employees (2024) | 1,532 € | – | 1,258 € | ranked 24 of 307 |
Tourism
| Indicator | Cascais | Lisbon | National | Position | Rank |
|---|---|---|---|---|---|
| Overnight stays in tourist accommodation (2025) | 1,487,073 | 20,050,750 | 82,011,658 | ranked 10 of 307 | |
| Overnight stays per 100 inhabitants (2025) | 610.8 | 751.9 | 275.0 | ranked 79 of 306 |
Education
| Indicator | Cascais | Lisbon | National | Position | Rank |
|---|---|---|---|---|---|
| Population with completed higher education (2021) | 35.1% | 29.8% | 13.2% | ranked 5 of 307 |
Sunshine and temperatures: Cascais
Business sectors: Cascais
Share of each sector in total businesses; “×1.5” means the sector is 1.5 times more common than nationally.
- Administrative and support services21.7% ×1.3
- Professional, scientific and technical14.6% ×1.4
- Wholesale and retail trade10.0% ×0.7
- Health and social work8.4% ×1.1
- Real estate7.6% ×1.8
- Accommodation and food services7.3% ×0.9
- Construction5.2% ×0.7
- Other service activities4.8% ×1.0
Frequently asked questions
What is the population of Cascais?
Cascais has 242,619 residents (2025), ranking 5 of 308 municipalities.
How big is Cascais?
Cascais covers 97.4 km², with a density of 2,491 people per km².
Is the population of Cascais growing?
Between 2021 and 2025, the population of Cascais went from 226,392 to 242,619, a change of +7.2%.
Where is Cascais?
Cascais is in Lisbon. Latitude 38.697, longitude −9.421.
Median selling price of housing per m²: what is the figure for Cascais?
In Cascais, “Median selling price of housing per m²” stands at 4,550 €/m² (2025), ranking 2 of 305 municipalities; the national median is 1,108 €/m².
Population with completed higher education: what is the figure for Cascais?
In Cascais, “Population with completed higher education” stands at 35.1% (2021), ranking 5 of 307 municipalities; the national median is 13.2%.
How much electricity does a solar panel produce in Cascais?
In Cascais, a 1 kWp south-facing system tilted at 34° produces about 1,656 kWh a year.
Which municipalities border Cascais?
The nearest to Cascais are Oeiras (10 km), Sintra (11 km), Amadora (17 km), Almada (23 km), Odivelas (24 km).
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