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Seroa

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Parish of the municipality of Paços de Ferreira (Paços de Ferreira), district of Porto.

Seroa had 3.756 residents in the 2021 Census, 15,9% of whom were aged 65 or over, and 7,7% of the population aged 15 or over had completed higher education. It borders 6 parishes and its centroid is 5,6 km in a straight line from the centroid of the municipality of Paços de Ferreira.

Population (inh.)
  • 1.004 – 1.815
  • 2.181 – 2.491
  • 2.959 – 3.749
  • 3.756 – 4.244
  • 4.514 – 8.244
Density (inh./km²)
  • 362,3 – 533,6
  • 597,1 – 665,9
  • 722,9 – 739,2
  • 753,6 – 869,1
  • 1.043,1 – 2.092,4
Area (km²)
  • 1,7 – 2,2
  • 2,9 – 3,9
  • 4,4 – 5,6
  • 6,0 – 6,0
  • 6,3 – 6,8
Quantile classes · current parish
Parish highlighted. Click a neighbouring parish to open its page. Geometry: CAOP2025, Direção-Geral do Território (simplified).

The 16 parishes of Paços de Ferreira

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

#ParishPopulationArea (km²)Inhab./km²
1Arreigada1.8151,741.043,1
2Carvalhosa4.5145,99753,6
3Codessos1.0041,94517,5
4Eiriz2.1816,02362,3
5Ferreira4.2446,75628,7
6Figueiró2.4772,85869,1
7Frazão4.0125,55722,9
8Freamunde7.5575,151.467,4
9Lamoso1.5812,16731,9
10Meixomil3.7494,38855,9
11Modelos1.4252,14665,9
12Paços de Ferreira8.2443,942.092,4
13Penamaior3.5866,72533,6
14Raimonda2.4913,37739,2
15Sanfins de Ferreira2.9596,02491,5
16Seroa3.7566,29597,1
Code (DTMNFR)
130916
Resident population (2021)
3.756
Area
6,29 km²
Density
597,1 inh./km²
Share of the municipality (population)
6,8%
Rank in the municipality (population)
6th of 16

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
2.244 (59,7%)
Women
1.512 (40,3%)
Portuguese nationality
3.689 (98,2%)
Foreign nationality
67 (1,8%)
Ageing index
138,3 elderly per 100 young people
Private households
1.054
Average household size *
2,82 people
Dwellings
1.323
Classic family dwellings
1.306
Buildings
1.021
Buildings with 7 or more floors
0
With higher education (15+)
7,7% (256)
Unemployment rate *
9,19% (H 8,67% · M 10,12%)
Active / employed population
1.894 / 1.720

Population by age group

Population by age group0-14 years: 433 (11,5%); 15-24 years: 338 (9,0%); 25-64 years: 2.386 (63,5%); 65+ years: 599 (15,9%)0-14433 · 11,5%15-24338 · 9,0%25-642.386 · 63,5%65+599 · 15,9%
Residents by age group and share of the total (3.756).
Age groupTotalMenWomen
0-14 years433221212
15-24 years338168170
25-64 years2.3861.560826
65+ years599295304

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

Frazão · Reguenga (Santo Tirso) · Lordelo (Paredes) · Agrela (Santo Tirso) · Sobrado (Valongo) · Penamaior

Straight-line distance to the centroid of the municipality of Paços de Ferreira
5,6 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
2.968
Voters
1.843
Turnout
62,10% (2021: 55,99%)
Seats
9
ListVotes%Seats
PS
Partido Socialista		82244,60%4
PPD/PSD.CDS-PP
MAIS - Coligação PSD/CDS		68837,33%4
CH
CHEGA		23812,91%1
PCP-PEV
CDU - Coligação Democrática Unitária		261,41%0
Blank votes321,74%
Null votes372,01%

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.

Heraldry

Coat of arms: Escudo de verde, leão aleopardado de prata, armado e lampassado de vermelho, empunhando na mão direita uma palma de ouro; em chefe, duas cadeiras de ouro, adossadas; em ponta, uma espiga de milho de vermelho, folhada de ouro. Coroa mural de prata de quatro torres. Listel de prata com a legenda a negro “SEROA”.

Flag: Esquartelada de amarelo e verde; cordões e borlas de ouro e verde. Haste e lança douradas.

Seal: nos termos do artigo 18.º da Lei n.º 53/91, com a legenda: “Junta de Freguesia de Seroa - Paços de Ferreira”.

Heraldic ordinance published by Edital n.º 1196/2025, Diário da República n.º 127/2025, Série II de 2025-07-04 (issuer: Freguesia de Seroa). Excerpt of the official text (coat of arms, flag and seal), reproduced unchanged.

Parish-council contacts

Address
Av.ª Central de Seroa, N.º 696
Seroa (PAÇOS DE FERREIRA)
4595-415 SEROA
Telephone
255891339
Fax
255891339
Email
junta@seroa.pt
Website
www.seroa.pt

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

More information

Coordinates
41,26124, -8,43675
Wikipedia
Seroa
Wikidata
Q2252215

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