

Melgaço: population and statistics
Melgaço has a population of 7,111 (2025) across 238.2 km², or 29.8 people per km². It ranks 216 of 308 municipalities by population. Its population is falling: −2.4% between 2021 and 2025.
- 7,111 residents
- 238.2 km²
- 30 people/km²
- 115 m
Key points
Among the 10 municipalities in Viana do Castelo, Melgaço ranks No. 10 by population.
Usual residences with central heating: 40.0% in Melgaço, compared with an average of 31.4% in Viana do Castelo and 13.8% nationally.
Population under 15: 8.2% in Melgaço, compared with an average of 11.4% in Viana do Castelo and 12.4% nationally.
Largest business sector: Agriculture, forestry and fishing, with 38.3% of the area's businesses.
A 1 kWp solar panel tilted at 35° generates about 1,331 kWh a year here.
Melgaço in numbers
Where is Melgaço?
Population of Melgaço over time
Melgaço had 7,287 residents in 2021 and 7,111 in 2025.
| Year | Population |
|---|---|
| 2021 | 7,287 |
| 2022 | 7,187 |
| 2023 | 7,197 |
| 2024 | 7,166 |
| 2025 | 7,111 |
Did you know?
- Number 1 in Viana do Castelo for “Population aged 65 and over”.
- Number 1 in Viana do Castelo for “Ageing index (older people per 100 young people)”.
- “Usual residences with central heating”: higher than in 98% of municipalities.
- “Population under 15”: lower than in 97% of municipalities.
- “Purchasing power per capita (Portugal = 100)”: lower than in 97% of municipalities.
- Its area is roughly equal to 33,368 football pitches.
- Its population density is 4.2 times lower than the national average.
All indicators for Melgaço
Value for the municipality, then the regional average and the national median (for counts: regional and national totals). The gauge places the municipality between the lowest and highest value in the country.
Population
| Indicator | Melgaço | Viana do Castelo | National | Position | Rank |
|---|---|---|---|---|---|
| Population aged 65 and over (2025) | 41.2% | 28.0% | 26.9% | ranked 12 of 307 | |
| Population under 15 (2025) | 8.2% | 11.4% | 11.7% | ranked 297 of 307 | |
| Ageing index (older people per 100 young people) (2025) | 500.5 | – | 229.9 | ranked 10 of 307 | |
| Population density (inhabitants per km²) (2025) | 29.8 inh./km² | – | 69.6 inh./km² | ranked 217 of 307 | |
| Population change between 2021 and 2025 (2025) | −2.42% | – | 4.50% | ranked 291 of 307 |
Housing
| Indicator | Melgaço | Viana do Castelo | National | Position | Rank |
|---|---|---|---|---|---|
| Buildings (2021) | 7,194 | 123,631 | 3,573,416 | ranked 165 of 308 | |
| Buildings built before 1946 (2021) | 9.4% | 10.8% | 12.8% | ranked 237 of 307 | |
| Buildings built since 2001 (2021) | 13.4% | 19.4% | 16.8% | ranked 252 of 307 | |
| Buildings in need of medium or extensive repair (2021) | 14.8% | 13.1% | 14.2% | ranked 140 of 307 | |
| Conventional family dwellings (2021) | 7,836 | 155,259 | 5,970,677 | ranked 180 of 308 | |
| Dwellings used as secondary residences (2021) | 45.8% | 29.0% | 25.8% | ranked 24 of 307 | |
| Vacant dwellings (2021) | 10.4% | 10.8% | 13.1% | ranked 234 of 307 | |
| Owner-occupied usual residences (2021) | 88.0% | 77.8% | 77.8% | ranked 19 of 307 | |
| Rented usual residences (2021) | 5.9% | 15.2% | 13.6% | ranked 287 of 307 | |
| Usual residences in buildings with 3 or more dwellings (2021) | 8.9% | 21.4% | 13.8% | ranked 203 of 307 | |
| Median selling price of housing per m² (2025) | 710 €/m² | – | 1,108 €/m² | ranked 222 of 305 |
Energy
| Indicator | Melgaço | Viana do Castelo | National | Position | Rank |
|---|---|---|---|---|---|
| Usual residences without heating (2021) | 10.6% | 21.2% | 18.6% | ranked 260 of 307 | |
| Usual residences with central heating (2021) | 40.0% | 31.4% | 12.6% | ranked 8 of 307 | |
| Electricity consumption per inhabitant (2024) | 3,401 kWh/inh. | 5,017 kWh/inh. | 3,690 kWh/inh. | ranked 194 of 307 |
Economy
| Indicator | Melgaço | Viana do Castelo | National | Position | Rank |
|---|---|---|---|---|---|
| Enterprises (2023) | 1,236 | 33,345 | 1,510,274 | ranked 202 of 308 | |
| Enterprises per 1,000 inhabitants (2023) | 171.7 | 138.0 | 128.1 | ranked 44 of 307 | |
| Declared gross income per inhabitant (2024) | 9,774 € | 10,704 € | 10,553 € | ranked 215 of 307 | |
| Purchasing power per capita (Portugal = 100) (2023) | 64.9 | 82.6 | 79.5 | ranked 298 of 307 |
Employment
| Indicator | Melgaço | Viana do Castelo | National | Position | Rank |
|---|---|---|---|---|---|
| Unemployment rate (2021) | 4.6% | 6.0% | 7.0% | ranked 281 of 307 | |
| Average monthly earnings of employees (2024) | 1,162 € | – | 1,258 € | ranked 247 of 307 |
Tourism
| Indicator | Melgaço | Viana do Castelo | National | Position | Rank |
|---|---|---|---|---|---|
| Overnight stays in tourist accommodation (2025) | 51,769 | 1,031,079 | 82,011,658 | ranked 135 of 307 | |
| Overnight stays per 100 inhabitants (2025) | 725.2 | 422.3 | 275.0 | ranked 59 of 306 |
Education
| Indicator | Melgaço | Viana do Castelo | National | Position | Rank |
|---|---|---|---|---|---|
| Population with completed higher education (2021) | 10.0% | 15.8% | 13.2% | ranked 262 of 307 |
Sunshine and temperatures: Melgaço
Business sectors: Melgaço
Share of each sector in total businesses; “×1.5” means the sector is 1.5 times more common than nationally.
- Agriculture, forestry and fishing38.3% ×4.8
- Wholesale and retail trade10.6% ×0.7
- Construction9.0% ×1.3
- Accommodation and food services8.5% ×1.0
- Administrative and support services8.4% ×0.5
- Professional, scientific and technical5.0% ×0.5
- Manufacturing4.7% ×1.0
- Other service activities4.0% ×0.8
Frequently asked questions
What is the population of Melgaço?
Melgaço has 7,111 residents (2025), ranking 216 of 308 municipalities.
How big is Melgaço?
Melgaço covers 238.2 km², with a density of 30 people per km².
Is the population of Melgaço growing?
Between 2021 and 2025, the population of Melgaço went from 7,287 to 7,111, a change of −2.4%.
Where is Melgaço?
Melgaço is in Viana do Castelo. Latitude 42.117, longitude −8.267.
Usual residences with central heating: what is the figure for Melgaço?
In Melgaço, “Usual residences with central heating” stands at 40.0% (2021), ranking 8 of 307 municipalities; the national median is 12.6%.
Population under 15: what is the figure for Melgaço?
In Melgaço, “Population under 15” stands at 8.2% (2025), ranking 297 of 307 municipalities; the national median is 11.7%.
How much electricity does a solar panel produce in Melgaço?
In Melgaço, a 1 kWp south-facing system tilted at 35° produces about 1,331 kWh a year.
Which municipalities border Melgaço?
The nearest to Melgaço are Monção (18 km), Valença (32 km), Arcos de Valdevez (32 km), Paredes de Coura (33 km), Ponte da Barca (37 km).
Coat of arms: CC BY-SA 3.0, Wikimedia Commons · Flag: CC BY-SA 3.0, Wikimedia Commons. Coats of arms and flags are shown for identification only; this site is not affiliated with any public authority.