Location map: Santiago do Cacém
Municipality · SetúbalCoat of arms of Santiago do CacémFlag of Santiago do Cacém

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

Population
30,226
ranked 92 of 308 +6.7%
Population density
28people/km²
ranked 220 of 307
Area
1,060km²
ranked 12 of 308
Elevation
232m
ranked 120 of 308
Declared gross income per inhabitant
13,922€
ranked 12 of 307
Usual residences with central heating
3.6%
ranked 269 of 307
Overnight stays in tourist accommodation
191,104
ranked 58 of 307
Buildings built before 1946
19.4%
ranked 60 of 307

Where is Santiago do Cacém?

Population of Santiago do Cacém over time

28,05528,87329,69130,5092021: 28,3382022: 29,0172023: 29,6972024: 30,1082025: 30,226202120232025

Santiago do Cacém had 28,338 residents in 2021 and 30,226 in 2025.

YearPopulation
202128,338
202229,017
202329,697
202430,108
202530,226

Did you know?

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

IndicatorSantiago do CacémSetúbalNationalPositionRank
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)240.3–229.9ranked 144 of 307
Population density (inhabitants per km²) (2025)28.5 inh./km²–69.6 inh./km²ranked 220 of 307
Population change between 2021 and 2025 (2025)6.66%–4.50%ranked 98 of 307

Housing

IndicatorSantiago do CacémSetúbalNationalPositionRank
Buildings (2021)13,234211,7463,573,416ranked 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)18,522477,4445,970,677ranked 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 €/m²ranked 62 of 305

Energy

IndicatorSantiago do CacémSetúbalNationalPositionRank
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

IndicatorSantiago do CacémSetúbalNationalPositionRank
Enterprises (2023)3,767109,6831,510,274ranked 89 of 308
Enterprises per 1,000 inhabitants (2023)126.8112.4128.1ranked 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)98.599.579.5ranked 39 of 307

Employment

IndicatorSantiago do CacémSetúbalNationalPositionRank
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

IndicatorSantiago do CacémSetúbalNationalPositionRank
Overnight stays in tourist accommodation (2025)191,1042,595,72882,011,658ranked 58 of 307
Overnight stays per 100 inhabitants (2025)633.5278.7275.0ranked 72 of 306
Share of overnight stays in local accommodation (alojamento local) (2025)10.1%–18.4%ranked 128 of 178

Education

IndicatorSantiago do CacémSetúbalNationalPositionRank
Population with completed higher education (2021)15.6%21.5%13.2%ranked 95 of 307

Sunshine and temperatures: Santiago do Cacém

Annual solar output
1,625kWh
for 1 kWp tilted at 33°
Warmest month
23.1°C
August
Coldest month
10.6°C
January
Most productive month
172kWh
July

Jan: 105 kWhJanFeb: 109 kWhFebMar: 137 kWhMarApr: 144 kWhAprMay: 159 kWhMayJun: 157 kWhJunJul: 172 kWhJulAug: 170 kWhAugSep: 149 kWhSepOct: 125 kWhOctNov: 102 kWhNovDec: 97 kWhDec0 °CJan: 10.6 °CFeb: 11.4 °CMar: 13.3 °CApr: 15.3 °CMay: 18.5 °CJun: 20.9 °CJul: 22.6 °CAug: 23.1 °CSep: 21.2 °COct: 18.6 °CNov: 13.9 °CDec: 11.7 °C
Monthly solar output (kWh per 1 kWp)Average temperature (°C)

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.

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).

Coat of arms: CC BY-SA 3.0, Wikimedia Commons · Flag: CC BY-SA 3.0, Wikimedia Commons. Coats of arms and flags are shown for identification only; this site is not affiliated with any public authority.