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União das freguesias de Agualva e Mira-Sintra

Parish of the municipality of Sintra (Sintra), district of Lisboa.

União das freguesias de Agualva e Mira-Sintra had 41.323 residents in the 2021 Census, 20,7% of whom were aged 65 or over, and 15,0% of the population aged 15 or over had completed higher education. It borders 4 parishes and its centroid is 7,8 km in a straight line from the centroid of the municipality of Sintra.

Population (inh.)
  • 3.676 – 5.205
  • 7.746 – 12.788
  • 13.347 – 26.310
  • 29.896 – 41.323
  • 47.804 – 68.649
Density (inh./km²)
  • 199,4 – 232,1
  • 232,7 – 426,5
  • 470,4 – 3.001,2
  • 4.290,6 – 6.910,2
  • 7.191,2 – 15.470,6
Area (km²)
  • 2,2 – 3,6
  • 4,4 – 8,6
  • 15,7 – 16,5
  • 22,8 – 33,4
  • 39,8 – 63,6
Quantile classes · current parish
Parish highlighted. Click a neighbouring parish to open its page. Geometry: CAOP2025, Direção-Geral do Território (simplified).

The 15 parishes of Sintra

Hover a row to highlight it on the map. Click a header to sort.

#ParishPopulationArea (km²)Inhab./km²
1Algueirão-Mem Martins68.64916,004.290,6
2Almargem do Bispo9.26139,80232,7
3Belas26.31022,841.151,9
4Casal de Cambra13.3472,176.150,7
5Colares7.74633,37232,1
6Montelavar3.6768,62426,5
7Pêro Pinheiro4.32515,65276,4
8Queluz26.1043,637.191,2
9Rio de Mouro49.48916,493.001,2
10São João das Lampas12.78857,50222,4
11Terrugem5.20526,10199,4
12União das freguesias de Agualva e Mira-Sintra41.3235,986.910,2
13União das freguesias de Massamá e Monte Abraão47.8043,0915.470,6
14União das freguesias de Sintra (Santa Maria e São Miguel, São Martinho e São Pedro de Penaferrim)29.89663,55470,4
15União das freguesias do Cacém e São Marcos39.6834,448.937,6
Code (DTMNFR)
111122
Resident population (2021)
41.323
Area
5,98 km²
Density
6.910,2 inh./km²
Share of the municipality (population)
10,7%
Rank in the municipality (population)
4th of 15

Simplified designation (CAOP2025): “Agualva e Mira-Sintra”.

INE, Censos 2021 (população residente por freguesia, geografia 2025, ind. 0014584); DGT, CAOP2025 (área). Population refers to the 2021 census moment, compiled by INE for the parish boundaries in force in 2025.

2021 Census in detail

Men
19.152 (46,3%)
Women
22.171 (53,7%)
Portuguese nationality
35.828 (86,7%)
Foreign nationality
5.495 (13,3%)
Ageing index
150,1 elderly per 100 young people
Private households
16.861
Average household size *
2,44 people
Dwellings
19.715
Classic family dwellings
19.707
Buildings
2.735
Buildings with 7 or more floors
423
With higher education (15+)
15,0% (5.333)
Unemployment rate *
10,47% (H 9,55% · M 11,31%)
Active / employed population
20.324 / 18.196

Population by age group

Population by age group0-14 years: 5.695 (13,8%); 15-24 years: 4.978 (12,0%); 25-64 years: 22.104 (53,5%); 65+ years: 8.546 (20,7%)0-145.695 · 13,8%15-244.978 · 12,0%25-6422.104 · 53,5%65+8.546 · 20,7%
Residents by age group and share of the total (41.323).
Age groupTotalMenWomen
0-14 years5.6952.9032.792
15-24 years4.9782.4802.498
25-64 years22.10410.19611.908
65+ years8.5463.5734.973

Source: INE, Censos 2021 — indicators 0014630, 0014631, 0014627, 0014623, 0014621, 0014635, 0014636, 0012481, 0012328, 0014632, obtained from the INE indicators API on 24/09/2026 (licence CC BY 4.0). Parish geography of 2025 (CAOP2025). Nationality (Portuguese, foreign, stateless) is INE indicator 0014632. * Indicator published by INE only for 2013 parish geography (NUTS 2024); used because the parish has the same territory in both geographies (identical population by sex and age group). Ageing index = population aged 65+ ÷ population aged 0–14 × 100; share with higher education = residents with completed higher education ÷ residents aged 15 or over (our calculations from INE figures).

Neighbouring parishes

Belas · União das freguesias do Cacém e São Marcos · União das freguesias de Massamá e Monte Abraão · Rio de Mouro

Straight-line distance to the centroid of the municipality of Sintra
7,8 km

Neighbourhood calculated from official boundaries: DGT, Carta Administrativa Oficial de Portugal (CAOP) 2025 (licence CC BY 4.0); two parishes are neighbours when they share a boundary segment. The distance is the straight-line (great-circle) distance between the geometric centroid of the parish and that of the municipality (in territories with islets, of the main part), not a road distance.

2025 local elections — Parish assembly

Registered voters
35.141
Voters
15.341
Turnout
43,66% (2021: 35,18%)
Seats
19
ListVotes%Seats
PS.L
AS PESSOAS, SEMPRE - COLIGAÇÃO PS/L		5.40835,25%7
PPD/PSD.IL.PAN
SEMPRE COM OS SINTRENSES		4.30128,04%6
CH
CHEGA		3.85425,12%5
PCP-PEV
CDU - Coligação Democrática Unitária		8275,39%1
B.E.
Bloco de Esquerda		3202,09%0
CDS-PP/PPM/ADN
Por Sintra, a Nossa Casa		2791,82%0
Blank votes1751,14%
Null votes1771,15%

Most-voted list, which elects the parish-council president: PS.L.

Source: SGMAI — official results of the local elections of 12 October 2025 (Secretary-General of the Ministry of Internal Administration), consulted on 25/09/2026. Percentages calculated by SGMAI over total voters.

Parish-council contacts

Address
Rua António Nunes Sequeira, 16B
Agualva (SINTRA)
2735-054 AGUALVA-CACÉM
Telephone
2191885401
Fax
219146129
Email
geral@jf-agualvamirasintra.pt
Website
www.jf-agualvamirasintra.pt

Source: DGAL - Portal Autárquico (Direção-Geral das Autarquias Locais), consulted on 25/09/2026.

More information

Coordinates
38,77402, -9,29355
Wikipedia
Agualva e Mira-Sintra
Wikidata
Q25440054

Source: Wikidata (data under CC0 1.0), consulted on 24/09/2026. The patron saint and coordinates are those recorded on Wikidata.

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