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Seixo

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Parish of the municipality of Mira (Mira), district of Coimbra.

Seixo had 1.253 residents in the 2021 Census, 37,4% of whom were aged 65 or over, and 16,5% of the population aged 15 or over had completed higher education. It borders 6 parishes and its centroid is 4,5 km in a straight line from the centroid of the municipality of Mira.

Population (inh.)
  • 656
  • 1.253
  • 3.246
  • 6.958
Density (inh./km²)
  • 77,2
  • 80,6
  • 110,2
  • 149,8
Area (km²)
  • 4,4
  • 16,2
  • 40,3
  • 63,1
Quantile classes · current parish
Parish highlighted. Click a neighbouring parish to open its page. Geometry: CAOP2025, Direção-Geral do Território (simplified).

The 4 parishes of Mira

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#ParishPopulationArea (km²)Inhab./km²
1Carapelhos6564,38149,8
2Mira6.95863,14110,2
3Praia de Mira3.24640,2880,6
4Seixo1.25316,2377,2
Code (DTMNFR)
060802
Resident population (2021)
1.253
Area
16,23 km²
Density
77,2 inh./km²
Share of the municipality (population)
10,3%
Rank in the municipality (population)
3rd of 4

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
582 (46,4%)
Women
671 (53,6%)
Portuguese nationality
1.225 (97,8%)
Foreign nationality
28 (2,2%)
Ageing index
344,9 elderly per 100 young people
Private households
511
Average household size *
2,36 people
Dwellings
865
Classic family dwellings
863
Buildings
837
Buildings with 7 or more floors
0
With higher education (15+)
16,5% (184)
Unemployment rate *
3,97% (H 4,38% · M 3,51%)
Active / employed population
479 / 460

Population by age group

Population by age group0-14 years: 136 (10,9%); 15-24 years: 109 (8,7%); 25-64 years: 539 (43,0%); 65+ years: 469 (37,4%)0-14136 · 10,9%15-24109 · 8,7%25-64539 · 43,0%65+469 · 37,4%
Residents by age group and share of the total (1.253).
Age groupTotalMenWomen
0-14 years1366769
15-24 years1094960
25-64 years539276263
65+ years469190279

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

Straight-line distance to the centroid of the municipality of Mira
4,5 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
1.513
Voters
843
Turnout
55,72% (2021: 54,29%)
Seats
9
ListVotes%Seats
PPD/PSD
Partido Social Democrata
60471,65%7
PS
Partido Socialista
13916,49%1
CH
CHEGA
789,25%1
Blank votes151,78%
Null votes70,83%

Most-voted list, which elects the parish-council president: PPD/PSD.

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 Cónego Zagalo, N.º 110
Seixo (MIRA)
3070-524 SEIXO
Telephone
231452436
Fax
231452436
Email
geral@jfseixo.pt

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

More information

Coordinates
40,46139, -8,72361
Wikipedia
Seixo (Mira)
Wikidata
Q1011216

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