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Sermonde

Parish of the municipality of Vila Nova de Gaia (Vila Nova de Gaia), district of Porto.

Sermonde had 1.392 residents in the 2021 Census, 22,0% of whom were aged 65 or over, and 15,9% of the population aged 15 or over had completed higher education. It borders 3 parishes and its centroid is 3,1 km in a straight line from the centroid of the municipality of Vila Nova de Gaia.

Population (inh.)
  • 1.392 – 3.717
  • 5.461 – 10.551
  • 10.626 – 13.560
  • 13.918 – 18.409
  • 22.615 – 38.859
Density (inh./km²)
  • 333,4 – 838,6
  • 937,9 – 1.228,6
  • 1.253,1 – 2.073,5
  • 2.132,4 – 2.999,3
  • 3.141,6 – 7.359,7
Area (km²)
  • 1,0 – 4,7
  • 5,1 – 5,5
  • 5,9 – 7,5
  • 7,8 – 8,8
  • 8,9 – 19,4
Quantile classes · current parish
Parish highlighted. Click a neighbouring parish to open its page. Geometry: CAOP2025, Direção-Geral do Território (simplified).

The 24 parishes of Vila Nova de Gaia

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

#ParishPopulationArea (km²)Inhab./km²
1Arcozelo15.1448,501.781,7
2Avintes10.8368,821.228,6
3Canelas13.9186,902.017,1
4Canidelo28.0548,933.141,6
5Crestuma2.3734,68507,1
6Grijó10.62611,33937,9
7Gulpilhares11.6645,472.132,4
8Lever2.6147,84333,4
9Madalena10.5514,692.249,7
10Mafamude38.8595,287.359,7
11Olival5.5088,07682,5
12Oliveira do Douro22.6157,542.999,3
13Pedroso18.40919,43947,5
14Perosinho6.1425,291.161,1
15Sandim5.46113,56402,7
16Santa Marinha30.3155,925.120,8
17Seixezelo1.8171,451.253,1
18Sermonde1.3921,66838,6
19Serzedo7.6036,681.138,2
20São Félix da Marinha13.5607,931.710,0
21São Pedro da Afurada3.7171,003.717,0
22Valadares10.6585,142.073,5
23Vilar de Andorinho18.0037,072.546,4
24Vilar do Paraíso13.9855,302.638,7
Code (DTMNFR)
131744
Resident population (2021)
1.392
Area
1,66 km²
Density
838,6 inh./km²
Share of the municipality (population)
0,5%
Rank in the municipality (population)
24th of 24

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
667 (47,9%)
Women
725 (52,1%)
Portuguese nationality
1.366 (98,1%)
Foreign nationality
26 (1,9%)
Ageing index
147,8 elderly per 100 young people
Private households
498
Dwellings
565
Classic family dwellings
565
Buildings
453
Buildings with 7 or more floors
0
With higher education (15+)
15,9% (189)
Unemployment rate †
12,50%
Active / employed population
592 / 518

Population by age group

Population by age group0-14 years: 207 (14,9%); 15-24 years: 152 (10,9%); 25-64 years: 727 (52,2%); 65+ years: 306 (22,0%)0-14207 · 14,9%15-24152 · 10,9%25-64727 · 52,2%65+306 · 22,0%
Residents by age group and share of the total (1.392).
Age groupTotalMenWomen
0-14 years207103104
15-24 years1527478
25-64 years727351376
65+ years306139167

Source: INE, Censos 2021 — indicators 0014630, 0014631, 0014627, 0014623, 0014621, 0014635, 0014636, 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. † Unemployment rate calculated by us: (active population − employed population) ÷ active population × 100 (indicators 0014635 and 0014636, 2025 geography). 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

Perosinho · Grijó · Serzedo

Straight-line distance to the centroid of the municipality of Vila Nova de Gaia
3,1 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
1.114
Voters
787
Turnout
70,65%
Seats
9
ListVotes%Seats
PPD/PSD.CDS-PP.IL
GAIA SEMPRE NA FRENTE		35745,36%5
PS
Partido Socialista		32841,68%4
CH
CHEGA		668,39%0
PCP-PEV
CDU - Coligação Democrática Unitária		202,54%0
Blank votes40,51%
Null votes121,52%

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

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 de Sermonde, n.º 126
Sermonde
4415-115 Sermonde
Email
geral@jf-sermonde.pt

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

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