Alcácer do Sal: population and statistics
Alcácer do Sal has a population of 11,961 (2025) across 1,499.9 km², or 8.0 people per km². It ranks 172 of 308 municipalities by population. Its population is growing: +3.4% between 2021 and 2025.
- 11,961 residents
- 1,499.9 km²
- 8 people/km²
- 32 m
Key points
Among the 13 municipalities in Setúbal, Alcácer do Sal ranks No. 13 by population.
Electricity consumption per inhabitant: 7,170 kWh/inh. in Alcácer do Sal, compared with an average of 5,636 kWh/inh. in Setúbal and 4,549 kWh/inh. nationally.
Largest business sector: Agriculture, forestry and fishing, with 33.0% of the area's businesses.
A 1 kWp solar panel tilted at 34° generates about 1,599 kWh a year here.
Alcácer do Sal in numbers
Where is Alcácer do Sal?
Population of Alcácer do Sal over time
Alcácer do Sal had 11,564 residents in 2021 and 11,961 in 2025.
| Year | Population |
|---|---|
| 2021 | 11,564 |
| 2022 | 11,682 |
| 2023 | 11,920 |
| 2024 | 12,023 |
| 2025 | 11,961 |
Did you know?
- Number 1 in Setúbal for “Population aged 65 and over”.
- Number 1 in Setúbal for “Ageing index (older people per 100 young people)”.
- “Population density (inhabitants per km²)”: lower than in 97% of municipalities.
- “Electricity consumption per inhabitant”: higher than in 93% of municipalities.
- “Vacant dwellings”: higher than in 92% of municipalities.
- Its area is roughly equal to 210,066 football pitches.
- Its population density is 15.5 times lower than the national average.
All indicators for Alcácer do Sal
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 | Alcácer do Sal | Setúbal | National | Position | Rank |
|---|---|---|---|---|---|
| Population aged 65 and over (2025) | 31.2% | 21.4% | 26.9% | ranked 93 of 307 | |
| Population under 15 (2025) | 10.5% | 13.5% | 11.7% | ranked 221 of 307 | |
| Ageing index (older people per 100 young people) (2025) | 297.4 | – | 229.9 | ranked 85 of 307 | |
| Population density (inhabitants per km²) (2025) | 8.0 inh./km² | – | 69.6 inh./km² | ranked 299 of 307 | |
| Population change between 2021 and 2025 (2025) | 3.43% | – | 4.50% | ranked 181 of 307 |
Housing
| Indicator | Alcácer do Sal | Setúbal | National | Position | Rank |
|---|---|---|---|---|---|
| Buildings (2021) | 7,576 | 211,746 | 3,573,416 | ranked 159 of 308 | |
| Buildings built before 1946 (2021) | 12.1% | 7.1% | 12.8% | ranked 168 of 307 | |
| Buildings built since 2001 (2021) | 16.4% | 19.1% | 16.8% | ranked 168 of 307 | |
| Buildings in need of medium or extensive repair (2021) | 12.1% | 11.7% | 14.2% | ranked 206 of 307 | |
| Conventional family dwellings (2021) | 8,867 | 477,444 | 5,970,677 | ranked 159 of 308 | |
| Dwellings used as secondary residences (2021) | 27.5% | 13.3% | 25.8% | ranked 137 of 307 | |
| Vacant dwellings (2021) | 19.5% | 10.0% | 13.1% | ranked 27 of 307 | |
| Owner-occupied usual residences (2021) | 71.8% | 69.6% | 77.8% | ranked 233 of 307 | |
| Rented usual residences (2021) | 16.1% | 22.9% | 13.6% | ranked 115 of 307 | |
| Usual residences in buildings with 3 or more dwellings (2021) | 11.8% | 64.1% | 13.8% | ranked 169 of 307 | |
| Median selling price of housing per m² (2025) | 1,796 €/m² | – | 1,108 €/m² | ranked 70 of 305 |
Energy
| Indicator | Alcácer do Sal | Setúbal | National | Position | Rank |
|---|---|---|---|---|---|
| Usual residences without heating (2021) | 27.1% | 34.1% | 18.6% | ranked 99 of 307 | |
| Usual residences with central heating (2021) | 3.6% | 5.5% | 12.6% | ranked 269 of 307 | |
| Electricity consumption per inhabitant (2024) | 7,170 kWh/inh. | 5,636 kWh/inh. | 3,690 kWh/inh. | ranked 23 of 307 |
Economy
| Indicator | Alcácer do Sal | Setúbal | National | Position | Rank |
|---|---|---|---|---|---|
| Enterprises (2023) | 1,861 | 109,683 | 1,510,274 | ranked 154 of 308 | |
| Enterprises per 1,000 inhabitants (2023) | 156.1 | 112.4 | 128.1 | ranked 62 of 307 | |
| Declared gross income per inhabitant (2024) | 10,920 € | 12,664 € | 10,553 € | ranked 126 of 307 | |
| Purchasing power per capita (Portugal = 100) (2023) | 86.6 | 99.5 | 79.5 | ranked 96 of 307 |
Employment
| Indicator | Alcácer do Sal | Setúbal | National | Position | Rank |
|---|---|---|---|---|---|
| Unemployment rate (2021) | 5.2% | 9.3% | 7.0% | ranked 256 of 307 | |
| Average monthly earnings of employees (2024) | 1,322 € | – | 1,258 € | ranked 111 of 307 |
Tourism
| Indicator | Alcácer do Sal | Setúbal | National | Position | Rank |
|---|---|---|---|---|---|
| Overnight stays in tourist accommodation (2025) | 100,526 | 2,595,728 | 82,011,658 | ranked 92 of 307 | |
| Overnight stays per 100 inhabitants (2025) | 838.3 | 278.7 | 275.0 | ranked 51 of 306 | |
| Share of overnight stays in local accommodation (alojamento local) (2025) | 33.8% | – | 18.4% | ranked 34 of 178 |
Education
| Indicator | Alcácer do Sal | Setúbal | National | Position | Rank |
|---|---|---|---|---|---|
| Population with completed higher education (2021) | 10.7% | 21.5% | 13.2% | ranked 241 of 307 |
Sunshine and temperatures: Alcácer do Sal
Business sectors: Alcácer do Sal
Share of each sector in total businesses; “×1.5” means the sector is 1.5 times more common than nationally.
- Agriculture, forestry and fishing33.0% ×4.1
- Wholesale and retail trade12.1% ×0.8
- Accommodation and food services11.0% ×1.3
- Administrative and support services10.2% ×0.6
- Construction6.6% ×0.9
- Professional, scientific and technical6.1% ×0.6
- Other service activities4.8% ×0.9
- Manufacturing3.7% ×0.8
Frequently asked questions
What is the population of Alcácer do Sal?
Alcácer do Sal has 11,961 residents (2025), ranking 172 of 308 municipalities.
How big is Alcácer do Sal?
Alcácer do Sal covers 1,499.9 km², with a density of 8 people per km².
Is the population of Alcácer do Sal growing?
Between 2021 and 2025, the population of Alcácer do Sal went from 11,564 to 11,961, a change of +3.4%.
Where is Alcácer do Sal?
Alcácer do Sal is in Setúbal. Latitude 38.373, longitude −8.513.
Population density (inhabitants per km²): what is the figure for Alcácer do Sal?
In Alcácer do Sal, “Population density (inhabitants per km²)” stands at 8.0 inh./km² (2025), ranking 299 of 307 municipalities; the national median is 69.6 inh./km².
Electricity consumption per inhabitant: what is the figure for Alcácer do Sal?
In Alcácer do Sal, “Electricity consumption per inhabitant” stands at 7,170 kWh/inh. (2024), ranking 23 of 307 municipalities; the national median is 3,690 kWh/inh..
How much electricity does a solar panel produce in Alcácer do Sal?
In Alcácer do Sal, a 1 kWp south-facing system tilted at 34° produces about 1,599 kWh a year.
Which municipalities border Alcácer do Sal?
The nearest to Alcácer do Sal are Grândola (22 km), Vendas Novas (34 km), Setúbal (37 km), Palmela (40 km), Montemor-o-Novo (40 km).
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