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Água de Pau

Parish of the municipality of Lagoa (Lagoa), Autonomous Region of the Azores (Ilha de São Miguel).

Água de Pau had 2.919 residents in the 2021 Census, 13,2% of whom were aged 65 or over, and 6,3% of the population aged 15 or over had completed higher education. It borders 5 parishes and its centroid is 2,4 km in a straight line from the centroid of the municipality of Lagoa.

Population (inh.)
  • 365
  • 1.970
  • 2.919
  • 3.528
  • 5.407
Density (inh./km²)
  • 146,0
  • 167,2
  • 247,2
  • 406,2
  • 829,3
Area (km²)
  • 2,5
  • 4,9
  • 6,5
  • 14,3
  • 17,5
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 Lagoa

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

#ParishPopulationArea (km²)Inhab./km²
1Cabouco1.9704,85406,2
2Lagoa (Nossa Senhora do Rosário)5.4076,52829,3
3Lagoa (Santa Cruz)3.52814,27247,2
4Ribeira Chã3652,50146,0
5Água de Pau2.91917,46167,2
Code (DTMNFR)
420101
Resident population (2021)
2.919
Area
17,46 km²
Density
167,2 inh./km²
Share of the municipality (population)
20,6%
Rank in the municipality (population)
3rd of 5

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
1.478 (50,6%)
Women
1.441 (49,4%)
Portuguese nationality
2.897 (99,2%)
Foreign nationality
22 (0,8%)
Ageing index
75,7 elderly per 100 young people
Private households
871
Average household size *
3,35 people
Dwellings
1.151
Classic family dwellings
1.151
Buildings
1.120
Buildings with 7 or more floors
0
With higher education (15+)
6,3% (151)
Unemployment rate *
8,45% (H 7,27% · M 10,06%)
Active / employed population
1.266 / 1.159

Population by age group

Population by age group0-14 years: 510 (17,5%); 15-24 years: 398 (13,6%); 25-64 years: 1.625 (55,7%); 65+ years: 386 (13,2%)0-14510 · 17,5%15-24398 · 13,6%25-641.625 · 55,7%65+386 · 13,2%
Residents by age group and share of the total (2.919).
Age groupTotalMenWomen
0-14 years510279231
15-24 years398198200
25-64 years1.625834791
65+ years386167219

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

Lagoa (Santa Cruz) · Ribeira Chã · Água de Alto (Vila Franca do Campo) · Ribeira Seca (Ribeira Grande) · Santa Bárbara (Ribeira Grande)

Straight-line distance to the centroid of the municipality of Lagoa
2,4 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
2.777
Voters
1.524
Turnout
54,88% (2021: 51,23%)
Seats
9
ListVotes%Seats
PS
Partido Socialista		1.07270,34%7
PPD/PSD
Partido Social Democrata		28718,83%2
CH
CHEGA		1278,33%0
Blank votes171,12%
Null votes211,38%

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 prata, com uma pala ondada de três tiras de azul e prata, acompanhada em chefe de uma cruz da Ordem de Cristo e de uma coroa mariana de azul com sua pedraria de ouro; campanha brocante à pala, ondada de verde e prata de três tiras. Coroa mural de prata de quatro torres. Listel branco, com a legenda a negro "ÁGUA de PAU"

Flag: esquartelada de azul e branco. Cordão e borlas de prata e azul. Haste e lança de ouro

Seal: nos termos da lei, com a legenda "Junta de Freguesia de Água de Pau - Lagoa".

Heraldic ordinance published by Edital n.º 544/2007, Diário da República n.º 127/2007, Série II de 2007-07-04 (issuer: Junta de Freguesia de Água de Pau). Excerpt of the official text (coat of arms, flag and seal), reproduced unchanged.

Parish-council contacts

Address
Rua da Ribeira, N.º 27
Água de Pau (SÃO MIGUEL)
9560-217 ÁGUA DE PAU
Telephone
296913440
Fax
296913477
Email
viladeaguadepau_@hotmail.com

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

More information

Patron saint (Wikidata)
Virgem Maria
Coordinates
37,76667, -25,46667
Wikipedia
Água de Pau
Wikidata
Q1999047

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