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União das freguesias de Caldas da Rainha - Santo Onofre e Serra do Bouro

Parish of the municipality of Caldas da Rainha (Caldas da Rainha), district of Leiria.

União das freguesias de Caldas da Rainha - Santo Onofre e Serra do Bouro had 11.902 residents in the 2021 Census, 20,7% of whom were aged 65 or over, and 17,2% of the population aged 15 or over had completed higher education. It borders 5 parishes and its centroid is 8,3 km in a straight line from the centroid of the municipality of Caldas da Rainha.

Population (inh.)
  • 938 – 1.141
  • 1.400 – 1.646
  • 1.962 – 2.646
  • 2.692 – 4.434
  • 11.902 – 18.540
Density (inh./km²)
  • 48,9 – 81,8
  • 84,7 – 91,9
  • 105,0 – 145,5
  • 150,2 – 185,1
  • 432,6 – 585,0
Area (km²)
  • 9,6 – 10,6
  • 14,0 – 19,4
  • 20,0 – 24,6
  • 27,5 – 29,5
  • 31,7 – 37,6
Quantile classes · current parish
Parish highlighted. Click a neighbouring parish to open its page. Geometry: CAOP2025, Direção-Geral do Território (simplified).

The 12 parishes of Caldas da Rainha

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#ParishPopulationArea (km²)Inhab./km²
1A dos Francos1.64619,4484,7
2Alvorninha2.64637,6070,4
3Carvalhal Benfeito1.14113,9581,8
4Foz do Arelho1.4009,62145,5
5Landal93810,2191,9
6Nadadouro1.96210,60185,1
7Salir de Matos2.58324,59105,0
8Santa Catarina2.69219,98134,7
9União das freguesias de Caldas da Rainha - Nossa Senhora do Pópulo, Coto e São Gregório18.54031,69585,0
10União das freguesias de Caldas da Rainha - Santo Onofre e Serra do Bouro11.90227,51432,6
11União das freguesias de Tornada e Salir do Porto4.43429,53150,2
12Vidais1.02620,9748,9
Code (DTMNFR)
100618
Resident population (2021)
11.902
Area
27,51 km²
Density
432,6 inh./km²
Share of the municipality (population)
23,4%
Rank in the municipality (population)
2nd of 12

Simplified designation (CAOP2025): “Caldas da Rainha - Santo Onofre e Serra do Bouro”.

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
5.502 (46,2%)
Women
6.400 (53,8%)
Portuguese nationality
10.904 (91,6%)
Foreign nationality
997 (8,4%)
Stateless
1 (less than 0.1%)
Ageing index
151,2 elderly per 100 young people
Private households
5.202
Average household size *
2,28 people
Dwellings
6.923
Classic family dwellings
6.919
Buildings
2.528
Buildings with 7 or more floors
34
With higher education (15+)
17,2% (1.771)
Unemployment rate *
8,77% (H 7,63% · M 9,83%)
Active / employed population
5.778 / 5.271

Population by age group

Population by age group0-14 years: 1.630 (13,7%); 15-24 years: 1.299 (10,9%); 25-64 years: 6.509 (54,7%); 65+ years: 2.464 (20,7%)0-141.630 · 13,7%15-241.299 · 10,9%25-646.509 · 54,7%65+2.464 · 20,7%
Residents by age group and share of the total (11.902).
Age groupTotalMenWomen
0-14 years1.630847783
15-24 years1.299661638
25-64 years6.5092.9453.564
65+ years2.4641.0491.415

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 Caldas da Rainha
8,3 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
10.621
Voters
5.257
Turnout
49,50% (2021: 40,85%)
Seats
13
ListVotes%Seats
VM
VM-VAMOS MUDAR
2.08139,59%7
PPD/PSD.CDS-PP
AD COLIGAÇÃO PSD / CDS - SOMOS CALDAS
1.42327,07%4
CH
CHEGA
72813,85%2
IL
Iniciativa Liberal
2474,70%0
L
LIVRE
1773,37%0
ADN
ALTERNATIVA DEMOCRÁTICA NACIONAL
1572,99%0
PCP-PEV
CDU - Coligação Democrática Unitária
1392,64%0
B.E.
Bloco de Esquerda
971,85%0
Blank votes1382,63%
Null votes701,33%

Most-voted list, which elects the parish-council president: VM.

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 papelonado de folhas de árvore de azul, contornadas e nervadas de prata; movente da ponta e dos flancos monte de três cômoros de ouro, o do meio carregado com um camaroeiro de vermelho; campanha ondada de quatro tiras ondadas, de verde, prata, azul e prata. Coroa mural de prata de quatro torres. Listel de prata com a legenda a negro "UNIÃO DAS FREGUESIAS DE CALDAS DA RAINHA - SANTO ONOFRE E SERRA DO BOURO".

Flag: amarela; cordões e borlas de ouro e azul. Haste e lanças douradas.

Seal: nos termos do artigo 18 da Lei 53/91, com a legenda: "União das Freguesias de Caldas da Rainha - Santo Onofre e Serra do Bouro".

Heraldic ordinance published by Edital n.º 402/2015, Diário da República n.º 89/2015, Série II de 2015-05-08 (issuer: União das Freguesias de Caldas da Rainha - Santo Onofre e Serra do Bouro). Excerpt of the official text (coat of arms, flag and seal), reproduced unchanged.

Parish-council contacts

Address
Rua 15 de Agosto, N.º 27
Caldas da Rainha (CALDAS DA RAINHA)
2500-801 SANTO ONOFRE
Telephone
262823601
Email
junta@stonofre-sbouro.pt
Website
www.jf-stonofre.pt

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

More information

Coordinates
39,41100, -9,14900
Wikipedia
Santo Onofre e Serra do Bouro
Wikidata
Q20059433

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