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Olhalvo

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

Olhalvo had 1.806 residents in the 2021 Census, 29,8% of whom were aged 65 or over, and 9,7% of the population aged 15 or over had completed higher education. It borders 4 parishes and its centroid is 1,8 km in a straight line from the centroid of the municipality of Alenquer.

Population (inh.)
  • 1.049 – 1.494
  • 1.565 – 1.617
  • 1.806 – 2.000
  • 2.911 – 4.157
  • 12.026 – 14.622
Density (inh./km²)
  • 25,8 – 81,5
  • 86,5 – 90,1
  • 90,1 – 104,1
  • 114,5 – 217,6
  • 240,1 – 596,3
Area (km²)
  • 8,3 – 18,1
  • 18,3 – 22,2
  • 24,5 – 28,0
  • 28,1 – 46,2
  • 46,3 – 50,1
Quantile classes · current parish
Parish highlighted. Click a neighbouring parish to open its page. Geometry: CAOP2025, Direção-Geral do Território (simplified).

The 11 parishes of Alenquer

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

#ParishPopulationArea (km²)Inhab./km²
1Carnota1.56518,0986,5
2Meca1.61714,12114,5
3Olhalvo1.8068,30217,6
4Ota1.19546,3225,8
5União das freguesias de Abrigada e Cabanas de Torres4.15746,1590,1
6União das freguesias de Aldeia Galega da Merceana e Aldeia Gavinha2.91127,96104,1
7União das freguesias de Alenquer (Santo Estêvão e Triana)12.02650,08240,1
8União das freguesias de Carregado e Cadafais14.62224,52596,3
9União das freguesias de Ribafria e Pereiro de Palhacana1.49418,3481,5
10Ventosa2.00022,2190,1
11Vila Verde dos Francos1.04928,1337,3
Code (DTMNFR)
110108
Resident population (2021)
1.806
Area
8,30 km²
Density
217,6 inh./km²
Share of the municipality (population)
4,1%
Rank in the municipality (population)
6th of 11

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
855 (47,3%)
Women
951 (52,7%)
Portuguese nationality
1.776 (98,3%)
Foreign nationality
30 (1,7%)
Ageing index
236,4 elderly per 100 young people
Private households
696
Average household size *
2,48 people
Dwellings
1.031
Classic family dwellings
1.029
Buildings
995
Buildings with 7 or more floors
0
With higher education (15+)
9,7% (153)
Unemployment rate *
3,72% (H 4,28% · M 3,09%)
Active / employed population
753 / 725

Population by age group

Population by age group0-14 years: 228 (12,6%); 15-24 years: 168 (9,3%); 25-64 years: 871 (48,2%); 65+ years: 539 (29,8%)0-14228 · 12,6%15-24168 · 9,3%25-64871 · 48,2%65+539 · 29,8%
Residents by age group and share of the total (1.806).
Age groupTotalMenWomen
0-14 years228110118
15-24 years1688781
25-64 years871429442
65+ years539229310

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

União das freguesias de Aldeia Galega da Merceana e Aldeia Gavinha · Meca · Ventosa · União das freguesias de Abrigada e Cabanas de Torres

Straight-line distance to the centroid of the municipality of Alenquer
1,8 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
1.715
Voters
1.247
Turnout
72,71% (2021: 58,16%)
Seats
9
ListVotes%Seats
PPD/PSD.CDS-PP.IL.PPM.MPT.NC
TODOS		54543,70%4
PS
Partido Socialista		52942,42%4
PCP-PEV
CDU - Coligação Democrática Unitária		1199,54%1
Blank votes362,89%
Null votes181,44%

Most-voted list, which elects the parish-council president: PPD/PSD.CDS-PP.IL.PPM.MPT.NC.

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
Largo Mártir S. Sebastião e N.ª Sra. da Encarnação
Olhalvo (ALENQUER)
2580-213 OLHALVO
Telephone
263779604
Fax
263779780
Email
freguesiadeolhalvo@sapo.pt

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

More information

Coordinates
39,09861, -9,06389
Wikipedia
Olhalvo
Wikidata
Q2019798

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