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União das freguesias de Foz de Arouce e Casal de Ermio

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

União das freguesias de Foz de Arouce e Casal de Ermio had 1.263 residents in the 2021 Census, 25,3% of whom were aged 65 or over, and 14,8% of the population aged 15 or over had completed higher education. It borders 6 parishes and its centroid is 4,9 km in a straight line from the centroid of the municipality of Lousã.

Population (inh.)
  • 1.111
  • 1.263
  • 1.711
  • 2.828
  • 10.093
Density (inh./km²)
  • 47,4
  • 63,7
  • 110,7
  • 111,7
  • 214,3
Area (km²)
  • 10,0
  • 19,8
  • 25,3
  • 36,1
  • 47,1
Quantile classes · current parish
Parish highlighted. Click a neighbouring parish to open its page. Geometry: CAOP2025, Direção-Geral do Território (simplified).

The 5 parishes of Lousã

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

#ParishPopulationArea (km²)Inhab./km²
1Gândaras1.11110,04110,7
2Lousã10.09347,10214,3
3Serpins1.71136,1247,4
4União das freguesias de Foz de Arouce e Casal de Ermio1.26319,8463,7
5Vilarinho2.82825,31111,7
Code (DTMNFR)
060707
Resident population (2021)
1.263
Area
19,84 km²
Density
63,7 inh./km²
Share of the municipality (population)
7,4%
Rank in the municipality (population)
4th of 5

Simplified designation (CAOP2025): “Foz de Arouce e Casal de Ermio”.

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
609 (48,2%)
Women
654 (51,8%)
Portuguese nationality
1.196 (94,7%)
Foreign nationality
67 (5,3%)
Ageing index
218,5 elderly per 100 young people
Private households
508
Average household size *
2,49 people
Dwellings
844
Classic family dwellings
844
Buildings
820
Buildings with 7 or more floors
0
With higher education (15+)
14,8% (165)
Unemployment rate *
6,40% (H 6,51% · M 6,27%)
Active / employed population
547 / 512

Population by age group

Population by age group0-14 years: 146 (11,6%); 15-24 years: 137 (10,8%); 25-64 years: 661 (52,3%); 65+ years: 319 (25,3%)0-14146 · 11,6%15-24137 · 10,8%25-64661 · 52,3%65+319 · 25,3%
Residents by age group and share of the total (1.263).
Age groupTotalMenWomen
0-14 years1467175
15-24 years1377463
25-64 years661328333
65+ years319136183

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 Lousã
4,9 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
1.184
Voters
738
Turnout
62,33% (2021: 55,40%)
Seats
9
ListVotes%Seats
PS
Partido Socialista
38552,17%5
PPD/PSD.CDS-PP
É HORA DE MUDAR PPD-PSD/CDS-PP
22830,89%3
MIL
MOVIMENTO INDEPENDENTE PELA LOUSÃ
8311,25%1
PCP-PEV
CDU - Coligação Democrática Unitária
152,03%0
Blank votes131,76%
Null votes141,90%

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 PRINCIPAL, N.º 41
FOZ DE AROUCE
3200-029 FOZ DE AROUCE
Telephone
239992419
Email
freguesiaf.aroucec.ermio@gmail.com

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

More information

Coordinates
40,16361, -8,28083
Wikipedia
Foz de Arouce e Casal de Ermio
Wikidata
Q19309676

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