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Seixal

Municipality of the district of Setúbal (District of Setúbal), region Península de Setúbal (NUTS III: Península de Setúbal).

Seixal had 166.507 residents in the 2021 Census, of whom 21,5% were aged 65 or over; 20,0% of the population aged 15 or over had completed higher education.

Arriving here

166.507inhabitants (2021 Census)
265district-seat telephone code
1town hall6parish councils57schools1NHS hospital in the name

Mayor: Paulo Silva · Tel. 212276700 · Email: camara.geral@cm-seixal.pt · www.cm-seixal.pt more contacts

NHS: Unidade Local de Saúde de Almada / Seixal, E.P.E.

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.)
  • 3.154 – 13.623
  • 20.754
  • 28.825
  • 49.345
  • 50.806
Density (inh./km²)
  • 845,6 – 850,9
  • 868,0
  • 2.028,2
  • 2.834,3
  • 2.935,1
Area (km²)
  • 3,7 – 10,2
  • 16,0
  • 17,3
  • 23,9
  • 24,3
Quantile classes
Hover (or tap) a parish to see the figures; click to open its page. Geometry: CAOP2025, Direção-Geral do Território (simplified).

The 6 parishes of Seixal

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
1Corroios50.80617,312.935,1
2Amora49.34524,332.028,2
3Arrentela28.82510,172.834,3
4Fernão Ferro20.75423,91868,0
5Paio Pires13.62316,01850,9
6Seixal3.1543,73845,6
INE code (DTMN)
1510
Resident population
166.507
Area
95,45 km²
Density
1.744,4 inh./km²
Parishes
6
Share of district population
19,0%
Rank in the district (population)
2nd of 13
National rank (population)
12th of 308
National rank (density)
12th of 308
National rank (area)
254th of 308

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

2021 Census in detail

Men
78.624 (47,2%)
Women
87.883 (52,8%)
Portuguese nationality
154.051 (92,5%)
Foreign nationality
12.455 (7,5%)
Stateless
1 (less than 0.1%)
Ageing index
146,3 elderly per 100 young people
Private households
67.669
Average household size
2,45 people
Dwellings
82.977
Buildings
32.204
With higher education (15+)
20,0% (28.427)
Unemployment rate
9,23%

Population by age group

0-1424.494 · 14,7%15-2418.067 · 10,9%25-6488.109 · 52,9%65+35.837 · 21,5%
Residents by age group (166.507 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
148.089
Voters
77.140 (52,09%)
Seats
11
ListVotes%Seats
PCP-PEV (elected council president)26.91734,89%4
CH17.67422,91%3
PS-PAN17.11522,19%3
PPD/PSD.CDS-PP9.09711,79%1
IL2.3143,00%0
L.BE1.7952,33%0
ADN4340,56%0

Municipal assembly

Registered
148.089
Voters
77.162 (52,11%)
Seats
33
ListVotes%Seats
PCP-PEV24.84632,20%11
CH18.19623,58%8
PS-PAN17.25122,36%8
PPD/PSD.CDS-PP9.80612,71%4
IL2.7203,53%1
L.BE2.4443,17%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
Paulo Silva
Address
Alameda dos Bombeiros Voluntários, n.º 45, 2844-001 Seixal
Telephone
212276700
Email
camara.geral@cm-seixal.pt
Website
www.cm-seixal.pt

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

On the web

Q990448 · Wikipedia · www.cm-seixal.pt/

Source: Wikidata (CC0).

Neighbouring municipalities

Almada (8,1 km) · Barreiro (6,1 km) · Sesimbra (12,2 km)

Straight-line distance to the centroid of the district/region of Setúbal: 26,9 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
Seixal highlighted. Click a neighbouring municipality to open its page. Geometry: CAOP2025, Direção-Geral do Território (simplified).

Compare Seixal with other municipalities… · Compare parishes…

Other municipalities of the district of Setúbal

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

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