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Rio Meão

Parish of the municipality of Santa Maria da Feira (Santa Maria da Feira), district of Aveiro.

Rio Meão had 4.813 residents in the 2021 Census, 21,4% of whom were aged 65 or over, and 13,3% of the population aged 15 or over had completed higher education. It borders 7 parishes and its centroid is 6,5 km in a straight line from the centroid of the municipality of Santa Maria da Feira.

Population (inh.)
  • 1.035 – 1.712
  • 1.988 – 3.474
  • 3.594 – 4.775
  • 4.813 – 7.096
  • 7.297 – 19.788
Density (inh./km²)
  • 161,7 – 260,9
  • 291,4 – 572,9
  • 717,4 – 770,9
  • 847,1 – 1.122,2
  • 1.193,0 – 1.387,0
Area (km²)
  • 3,1 – 3,9
  • 4,3 – 5,1
  • 5,3 – 6,4
  • 6,7 – 9,3
  • 10,3 – 29,4
Quantile classes · current parish
Parish highlighted. Click a neighbouring parish to open its page. Geometry: CAOP2025, Direção-Geral do Território (simplified).

The 28 parishes of Santa Maria da Feira

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

#ParishPopulationArea (km²)Inhab./km²
1Argoncilhe8.1818,21996,5
2Arrifana6.3115,291.193,0
3Caldas de São Jorge2.6535,57476,3
4Canedo5.71329,37194,5
5Escapães3.3154,30770,9
6Fiães7.0966,381.112,2
7Fornos3.4333,141.093,3
8Gião1.7063,50487,4
9Guisande1.1484,40260,9
10Lobão5.4907,63719,5
11Louredo1.3038,06161,7
12Lourosa8.0035,771.387,0
13Milheirós de Poiares3.5947,87456,7
14Mosteirô1.9883,47572,9
15Mozelos7.2975,811.255,9
16Nogueira da Regedoura5.7235,101.122,2
17Paços de Brandão4.7753,561.341,3
18Pigeiros1.0355,07204,1
19Rio Meão4.8136,68720,5
20Romariz2.73911,08247,2
21Sanguedo3.4744,57760,2
22Santa Maria de Lamas4.7473,751.265,9
23São João de Ver11.02615,37717,4
24São Miguel de Souto4.49310,34434,5
25São Paio de Oleiros3.6613,91936,3
26União das freguesias de Santa Maria da Feira, Travanca, Sanfins e Espargo19.78823,36847,1
27Vale1.7129,33183,5
28Vila Maior1.4575,00291,4
Code (DTMNFR)
010921
Resident population (2021)
4.813
Area
6,68 km²
Density
720,5 inh./km²
Share of the municipality (population)
3,5%
Rank in the municipality (population)
11th of 28

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
2.310 (48,0%)
Women
2.503 (52,0%)
Portuguese nationality
4.737 (98,4%)
Foreign nationality
76 (1,6%)
Ageing index
189,9 elderly per 100 young people
Private households
1.816
Average household size *
2,65 people
Dwellings
2.086
Classic family dwellings
2.085
Buildings
1.515
Buildings with 7 or more floors
0
With higher education (15+)
13,3% (568)
Unemployment rate *
8,50% (H 6,98% · M 10,12%)
Active / employed population
2.340 / 2.141

Population by age group

Population by age group0-14 years: 542 (11,3%); 15-24 years: 536 (11,1%); 25-64 years: 2.706 (56,2%); 65+ years: 1.029 (21,4%)0-14542 · 11,3%15-24536 · 11,1%25-642.706 · 56,2%65+1.029 · 21,4%
Residents by age group and share of the total (4.813).
Age groupTotalMenWomen
0-14 years542288254
15-24 years536259277
25-64 years2.7061.3281.378
65+ years1.029435594

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

São João de Ver · Paços de Brandão · Esmoriz (Ovar) · Santa Maria de Lamas · Cortegaça (Ovar) · União das freguesias de Santa Maria da Feira, Travanca, Sanfins e Espargo · Maceda (Ovar)

Straight-line distance to the centroid of the municipality of Santa Maria da Feira
6,5 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
4.508
Voters
2.841
Turnout
63,02% (2021: 58,83%)
Seats
9
ListVotes%Seats
PPD/PSD
Partido Social Democrata		1.72860,82%6
PS
Partido Socialista		64322,63%2
CH
CHEGA		30310,67%1
CDS-PP
CDS - Partido Popular		301,06%0
PCP-PEV
CDU - Coligação Democrática Unitária		270,95%0
Blank votes501,76%
Null votes602,11%

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
Largo de Santo António N.º 57
Rio Meão (SANTA MARIA DA FEIRA)
4520-473 RIO MEÃO
Telephone
256784986
Email
jfriomeao@sapo.pt
Website
www.jf-riomeao.pt

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

More information

Coordinates
40,95833, -8,58056
Wikipedia
Rio Meão
Wikidata
Q2378888

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