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Santiago do Cacém

Municipality of the district of Setúbal (District of Setúbal), region Alentejo (NUTS III: Alentejo Litoral).

Santiago do Cacém had 27.772 residents in the 2021 Census, of whom 29,1% were aged 65 or over; 14,8% of the population aged 15 or over had completed higher education.

Arriving here

27.772inhabitants (2021 Census)
265district-seat telephone code
1town hall9parish councils20schools

Mayor: Bruno Gonçalves Pereira · Tel. 269829400 · Email: geral@cm-santiagocacem.pt · www.cm-santiagocacem.pt more contacts

Summary for arrivals. The telephone code is that of the district/region seat (ANACOM numbering plan), not exclusive to this municipality. School, parish-council and town-hall counts come from the official lists already on this site. Hospitals are NHS institutions whose official name includes the municipality.

Population (inh.)
  • 500 – 670
  • 737 – 836
  • 1.803 – 2.071
  • 2.954 – 7.892
  • 10.309
Density (inh./km²)
  • 5,2 – 6,1
  • 6,6 – 11,1
  • 14,3 – 21,5
  • 25,1 – 38,0
  • 137,3
Area (km²)
  • 51,4 – 75,1
  • 76,1 – 82,4
  • 129,8 – 137,5
  • 137,7 – 161,8
  • 207,9
Quantile classes
Hover (or tap) a parish to see the figures; click to open its page. Geometry: CAOP2025, Direção-Geral do Território (simplified).

The 9 parishes of Santiago do Cacém

Sorted by resident population (2021 Census, 2025 geography). Click a header to sort; hover a row to highlight it on the map.

Download CSV parish list (UTF-8)

#ParishPopulationArea (km²)Inhab./km²
1Santo André10.30975,11137,3
2União das freguesias de Santiago do Cacém, Santa Cruz e São Bartolomeu da Serra7.892207,9338,0
3Cercal2.954137,4921,5
4Ermidas-Sado2.07182,4025,1
5Alvalade1.803161,8211,1
6Abela836137,686,1
7São Francisco da Serra73751,3814,3
8São Domingos670129,795,2
9Vale de Água50076,106,6
INE code (DTMN)
1509
Resident population
27.772
Area
1.059,69 km²
Density
26,2 inh./km²
Parishes
9
Share of district population
3,2%
Rank in the district (population)
9th of 13
National rank (population)
90th of 308
National rank (density)
228th of 308
National rank (area)
12th of 308

INE, Censos 2021 (população residente, ind. 0014525, via dados.gov.pt); DGT, CAOP2025 (área e freguesias)

2021 Census in detail

Men
13.461 (48,5%)
Women
14.311 (51,5%)
Portuguese nationality
26.558 (95,6%)
Foreign nationality
1.210 (4,4%)
Stateless
4 (less than 0.1%)
Ageing index
236,6 elderly per 100 young people
Private households
12.203
Average household size
2,25 people
Dwellings
18.540
Buildings
13.234
With higher education (15+)
14,8% (3.604)
Unemployment rate
6,65%

Population by age group

0-143.414 · 12,3%15-242.295 · 8,3%25-6413.986 · 50,4%65+8.077 · 29,1%
Residents by age group (27.772 in total).

Source: INE, Censos 2021 (API de indicadores) — indicators 0014630, 0014631, 0014627, 0014623, 0014621, 0014635, 0014636, 0012328, 0012481, 0014632, licence CC BY 4.0.

2025 local elections

Municipal council

Registered
23.916
Voters
14.000 (58,54%)
Seats
7
ListVotes%Seats
STC (elected council president)5.64740,34%3
PCP-PEV5.55439,67%3
CH1.62611,61%1
BE-L-PAN6954,96%0

Municipal assembly

Registered
23.916
Voters
14.000 (58,54%)
Seats
21
ListVotes%Seats
STC5.61140,08%9
PCP-PEV5.35738,26%9
CH1.73512,39%2
BE-L-PAN8025,73%1

Source: SGMAI — resultados oficiais das Autárquicas 2025. Official results; only the list that elects the council president is marked (the person’s name is not in these results).

Contacts

Mayor
Bruno Gonçalves Pereira
Address
Praça do Município, 7540-136 Santiago do Cacém
Telephone
269829400
Email
geral@cm-santiagocacem.pt
Website
www.cm-santiagocacem.pt

Source: DGAL — Portal Autárquico, Lista de Presidentes e contactos dos Municípios (atualizada 04/09/2026).

On the web

Q990433 · Wikipedia · www.cm-santiago-do-cacem.pt/ · www.cm-santiagocacem.pt/

Source: Wikidata (CC0).

Neighbouring municipalities

Aljustrel (34,1 km) · Ferreira do Alentejo (36,5 km) · Grândola (25,9 km) · Odemira (38,5 km) · Ourique (42,5 km) · Sines (18,7 km)

Straight-line distance to the centroid of the district/region of Setúbal: 62,3 km.

Source: DGT, CAOP2025 (CC BY 4.0) — adjacência de limites; distância em linha reta entre centróides (licence CC BY 4.0).

Location in the district

Population (inh.)
  • 11.112 – 14.198
  • 19.143 – 52.384
  • 55.682 – 66.255
  • 68.852 – 123.496
  • 166.507 – 177.238
Density (inh./km²)
  • 7,4 – 26,2
  • 69,8 – 149,1
  • 159,7 – 267,7
  • 536,2 – 1.744,4
  • 2.152,9 – 2.531,6
Area (km²)
  • 36,4 – 70,0
  • 95,5 – 195,7
  • 203,3 – 230,3
  • 348,6 – 825,9
  • 1.059,7 – 1.499,9
Quantile classes · current municipality
Santiago do Cacém highlighted. Click a neighbouring municipality to open its page. Geometry: CAOP2025, Direção-Geral do Território (simplified).

Compare Santiago do Cacém with other municipalities… · Compare parishes…

Other municipalities of the district of Setúbal

Alcochete · Alcácer do Sal · Almada · Barreiro · Grândola · Moita · Montijo · Palmela · Seixal · Sesimbra · Setúbal · Sines

Sources: INE, 2021 Census (resident population) · DGT, CAOP2025 (area and parishes) · more details · Data updated on 24/09/2026