

Santiago do Cacém: population and statistics
Santiago do Cacém has a population of 30,226 (2025) across 1,059.7 km², or 28.5 people per km². It ranks 92 of 308 municipalities by population. Its population is growing: +6.7% between 2021 and 2025.
- 30,226 residents
- 1,059.7 km²
- 28 people/km²
- 232 m
Key points
Among the 13 municipalities in Setúbal, Santiago do Cacém ranks No. 9 by population.
Declared gross income per inhabitant: 13,922 € in Santiago do Cacém, compared with an average of 12,664 € in Setúbal and 12,214 € nationally.
Usual residences with central heating: 3.6% in Santiago do Cacém, compared with an average of 5.5% in Setúbal and 13.8% nationally.
Largest business sector: Agriculture, forestry and fishing, with 21.2% of the area's businesses.
A 1 kWp solar panel tilted at 33° generates about 1,625 kWh a year here.
Santiago do Cacém in numbers
Where is Santiago do Cacém?
Population of Santiago do Cacém over time
Santiago do Cacém had 28,338 residents in 2021 and 30,226 in 2025.
| Year | Population |
|---|---|
| 2021 | 28,338 |
| 2022 | 29,017 |
| 2023 | 29,697 |
| 2024 | 30,108 |
| 2025 | 30,226 |
Did you know?
- Number 1 in Setúbal for “Elevation”.
- Number 1 in Setúbal for “Buildings built before 1946”.
- “Declared gross income per inhabitant”: higher than in 96% of municipalities.
- Its area is roughly equal to 148,416 football pitches.
- Its population density is 4.3 times lower than the national average.
- The nearest municipality is Sines, 16.6 km away.
- The nearest more populous municipality is Setúbal (141,266 residents), 61 km away.
All indicators for Santiago do Cacém
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 | Santiago do Cacém | Setúbal | National | Position | Rank |
|---|---|---|---|---|---|
| Population aged 65 and over (2025) | 28.8% | 21.4% | 26.9% | ranked 127 of 307 | |
| Population under 15 (2025) | 12.0% | 13.5% | 11.7% | ranked 123 of 307 | |
| Ageing index (older people per 100 young people) (2025) | 240.3 | – | 229.9 | ranked 144 of 307 | |
| Population density (inhabitants per km²) (2025) | 28.5 inh./km² | – | 69.6 inh./km² | ranked 220 of 307 | |
| Population change between 2021 and 2025 (2025) | 6.66% | – | 4.50% | ranked 98 of 307 |
Housing
| Indicator | Santiago do Cacém | Setúbal | National | Position | Rank |
|---|---|---|---|---|---|
| Buildings (2021) | 13,234 | 211,746 | 3,573,416 | ranked 89 of 308 | |
| Buildings built before 1946 (2021) | 19.4% | 7.1% | 12.8% | ranked 60 of 307 | |
| Buildings built since 2001 (2021) | 14.3% | 19.1% | 16.8% | ranked 226 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) | 18,522 | 477,444 | 5,970,677 | ranked 89 of 308 | |
| Dwellings used as secondary residences (2021) | 20.7% | 13.3% | 25.8% | ranked 190 of 307 | |
| Vacant dwellings (2021) | 13.4% | 10.0% | 13.1% | ranked 142 of 307 | |
| Owner-occupied usual residences (2021) | 75.6% | 69.6% | 77.8% | ranked 183 of 307 | |
| Rented usual residences (2021) | 13.1% | 22.9% | 13.6% | ranked 163 of 307 | |
| Usual residences in buildings with 3 or more dwellings (2021) | 34.7% | 64.1% | 13.8% | ranked 65 of 307 | |
| Median selling price of housing per m² (2025) | 1,935 €/m² | – | 1,108 €/m² | ranked 62 of 305 |
Energy
| Indicator | Santiago do Cacém | Setúbal | National | Position | Rank |
|---|---|---|---|---|---|
| Usual residences without heating (2021) | 26.1% | 34.1% | 18.6% | ranked 106 of 307 | |
| Usual residences with central heating (2021) | 3.6% | 5.5% | 12.6% | ranked 269 of 307 | |
| Electricity consumption per inhabitant (2024) | 4,179 kWh/inh. | 5,636 kWh/inh. | 3,690 kWh/inh. | ranked 117 of 307 |
Economy
| Indicator | Santiago do Cacém | Setúbal | National | Position | Rank |
|---|---|---|---|---|---|
| Enterprises (2023) | 3,767 | 109,683 | 1,510,274 | ranked 89 of 308 | |
| Enterprises per 1,000 inhabitants (2023) | 126.8 | 112.4 | 128.1 | ranked 165 of 307 | |
| Declared gross income per inhabitant (2024) | 13,922 € | 12,664 € | 10,553 € | ranked 12 of 307 | |
| Purchasing power per capita (Portugal = 100) (2023) | 98.5 | 99.5 | 79.5 | ranked 39 of 307 |
Employment
| Indicator | Santiago do Cacém | Setúbal | National | Position | Rank |
|---|---|---|---|---|---|
| Unemployment rate (2021) | 6.7% | 9.3% | 7.0% | ranked 169 of 307 | |
| Average monthly earnings of employees (2024) | 1,334 € | – | 1,258 € | ranked 103 of 307 |
Tourism
| Indicator | Santiago do Cacém | Setúbal | National | Position | Rank |
|---|---|---|---|---|---|
| Overnight stays in tourist accommodation (2025) | 191,104 | 2,595,728 | 82,011,658 | ranked 58 of 307 | |
| Overnight stays per 100 inhabitants (2025) | 633.5 | 278.7 | 275.0 | ranked 72 of 306 | |
| Share of overnight stays in local accommodation (alojamento local) (2025) | 10.1% | – | 18.4% | ranked 128 of 178 |
Education
| Indicator | Santiago do Cacém | Setúbal | National | Position | Rank |
|---|---|---|---|---|---|
| Population with completed higher education (2021) | 15.6% | 21.5% | 13.2% | ranked 95 of 307 |
Sunshine and temperatures: Santiago do Cacém
Business sectors: Santiago do Cacém
Share of each sector in total businesses; “×1.5” means the sector is 1.5 times more common than nationally.
- Agriculture, forestry and fishing21.2% ×2.7
- Wholesale and retail trade15.9% ×1.1
- Administrative and support services12.3% ×0.8
- Accommodation and food services9.9% ×1.2
- Professional, scientific and technical7.6% ×0.7
- Health and social work7.1% ×0.9
- Construction6.5% ×0.9
- Other service activities5.0% ×1.0
Frequently asked questions
What is the population of Santiago do Cacém?
Santiago do Cacém has 30,226 residents (2025), ranking 92 of 308 municipalities.
How big is Santiago do Cacém?
Santiago do Cacém covers 1,059.7 km², with a density of 28 people per km².
Is the population of Santiago do Cacém growing?
Between 2021 and 2025, the population of Santiago do Cacém went from 28,338 to 30,226, a change of +6.7%.
Where is Santiago do Cacém?
Santiago do Cacém is in Setúbal. Latitude 38.000, longitude −8.683.
Declared gross income per inhabitant: what is the figure for Santiago do Cacém?
In Santiago do Cacém, “Declared gross income per inhabitant” stands at 13,922 € (2024), ranking 12 of 307 municipalities; the national median is 10,553 €.
Usual residences with central heating: what is the figure for Santiago do Cacém?
In Santiago do Cacém, “Usual residences with central heating” stands at 3.6% (2021), ranking 269 of 307 municipalities; the national median is 12.6%.
How much electricity does a solar panel produce in Santiago do Cacém?
In Santiago do Cacém, a 1 kWp south-facing system tilted at 33° produces about 1,625 kWh a year.
Which municipalities border Santiago do Cacém?
The nearest to Santiago do Cacém are Sines (17 km), Grândola (22 km), Alcácer do Sal (44 km), Odemira (47 km), Aljustrel (48 km).
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