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Ota

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

Ota had 1.195 residents in the 2021 Census, 24,5% of whom were aged 65 or over, and 12,4% of the population aged 15 or over had completed higher education. It borders 6 parishes and its centroid is 6,8 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)
110109
Resident population (2021)
1.195
Area
46,32 km²
Density
25,8 inh./km²
Share of the municipality (population)
2,7%
Rank in the municipality (population)
10th 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
599 (50,1%)
Women
596 (49,9%)
Portuguese nationality
1.155 (96,7%)
Foreign nationality
40 (3,3%)
Ageing index
164,6 elderly per 100 young people
Private households
490
Average household size *
2,42 people
Dwellings
670
Classic family dwellings
638
Buildings
519
Buildings with 7 or more floors
1
With higher education (15+)
12,4% (126)
Unemployment rate *
7,40% (H 3,96% · M 11,55%)
Active / employed population
554 / 513

Population by age group

Population by age group0-14 years: 178 (14,9%); 15-24 years: 116 (9,7%); 25-64 years: 608 (50,9%); 65+ years: 293 (24,5%)0-14178 · 14,9%15-24116 · 9,7%25-64608 · 50,9%65+293 · 24,5%
Residents by age group and share of the total (1.195).
Age groupTotalMenWomen
0-14 years1789385
15-24 years1166848
25-64 years608306302
65+ years293132161

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 Abrigada e Cabanas de Torres · União das freguesias de Alenquer (Santo Estêvão e Triana) · Aveiras de Cima (Azambuja) · Azambuja (Azambuja) · Alcoentre (Azambuja) · Meca

Straight-line distance to the centroid of the municipality of Alenquer
6,8 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
1.064
Voters
720
Turnout
67,67% (2021: 61,05%)
Seats
9
ListVotes%Seats
PS
Partido Socialista		35949,86%5
PPD/PSD.CDS-PP.IL.PPM.MPT.NC
TODOS		23031,94%3
CH
CHEGA		7810,83%1
PCP-PEV
CDU - Coligação Democrática Unitária		435,97%0
Blank votes91,25%
Null votes10,14%

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

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 10 de Junho
Ota (ALENQUER)
2580-243 OTA
Telephone
263749505
Fax
263749551
Email
jf.ota@sapo.pt

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

More information

Coordinates
39,11000, -8,98972
Wikipedia
Ota (Alenquer)
Wikidata
Q951481

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