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Rio de Moinhos

Parish of the municipality of Aljustrel (Aljustrel), district of Beja.

Rio de Moinhos had 661 residents in the 2021 Census, 30,3% of whom were aged 65 or over, and 4,5% of the population aged 15 or over had completed higher education. It borders 4 parishes and its centroid is 4,1 km in a straight line from the centroid of the municipality of Aljustrel.

Population (inh.)
  • 661
  • 811
  • 917
  • 1.360
  • 5.125
Density (inh./km²)
  • 7,1
  • 17,7
  • 23,6
  • 26,8
Area (km²)
  • 37,4
  • 38,9
  • 77,0
  • 113,8
  • 191,4
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 Aljustrel

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#ParishPopulationArea (km²)Inhab./km²
1Aljustrel5.125191,4026,8
2Ervidel91738,8523,6
3Messejana811113,777,1
4Rio de Moinhos66137,4317,7
5São João de Negrilhos1.36077,0217,7
Code (DTMNFR)
020108
Resident population (2021)
661
Area
37,43 km²
Density
17,7 inh./km²
Share of the municipality (population)
7,4%
Rank in the municipality (population)
5th 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
325 (49,2%)
Women
336 (50,8%)
Portuguese nationality
651 (98,5%)
Foreign nationality
10 (1,5%)
Ageing index
344,8 elderly per 100 young people
Private households
297
Dwellings
454
Classic family dwellings
454
Buildings
447
Buildings with 7 or more floors
0
With higher education (15+)
4,5% (27)
Unemployment rate †
9,60%
Active / employed population
250 / 226

Population by age group

Population by age group0-14 years: 58 (8,8%); 15-24 years: 55 (8,3%); 25-64 years: 348 (52,6%); 65+ years: 200 (30,3%)0-1458 · 8,8%15-2455 · 8,3%25-64348 · 52,6%65+200 · 30,3%
Residents by age group and share of the total (661).
Age groupTotalMenWomen
0-14 years582830
15-24 years552827
25-64 years348183165
65+ years20086114

Source: INE, Censos 2021 — indicators 0014630, 0014631, 0014627, 0014623, 0014621, 0014635, 0014636, 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. † Unemployment rate calculated by us: (active population − employed population) ÷ active population × 100 (indicators 0014635 and 0014636, 2025 geography). 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 Aljustrel
4,1 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
630
Voters
437
Turnout
69,37%
Seats
7
ListVotes%Seats
PCP-PEV
CDU - Coligação Democrática Unitária
23353,32%4
PS
Partido Socialista
19444,39%3
Blank votes61,37%
Null votes40,92%

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

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 Dr. Brito Camacho s/n
Aljustrel
7600-503 Rio de Moinhos
Email
jf-rio-de-moinhos@outlook.pt

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

Sources: INE, 2021 Census (resident population) · DGT, CAOP2025 (area and parishes) · more details · Data updated on 24/09/2026