Trofa: population and statistics
Trofa has a population of 41,512 (2025) across 72.0 km², or 576 people per km². It ranks 74 of 308 municipalities by population. Its population is growing: +6.6% between 2021 and 2025.
- 41,512 residents
- 72.0 km²
- 576 people/km²
- 46 m
Key points
Among the 18 municipalities in Porto, Trofa ranks No. 17 by population.
Dwellings used as secondary residences: 4.4% in Trofa, compared with an average of 8.7% in Porto and 15.8% nationally.
Largest business sector: Wholesale and retail trade, with 21.3% of the area's businesses.
A 1 kWp solar panel tilted at 36° generates about 1,449 kWh a year here.
Trofa in numbers
Where is Trofa?
Population of Trofa over time
Trofa had 38,940 residents in 2021 and 41,512 in 2025.
| Year | Population |
|---|---|
| 2021 | 38,940 |
| 2022 | 39,758 |
| 2023 | 40,759 |
| 2024 | 41,315 |
| 2025 | 41,512 |
Did you know?
- “Dwellings used as secondary residences”: lower than in 99% of municipalities.
- “Share of overnight stays in local accommodation (alojamento local)”: lower than in 99% of municipalities.
- “Population density (inhabitants per km²)”: higher than in 90% of municipalities.
- Its area is roughly equal to 10,087 football pitches.
- Its population density is 4.7 times the national average.
- The nearest more populous municipality is Santo Tirso (69,810 residents), 6.9 km away.
- A 4 kWp rooftop solar system here would generate about 5,796 kWh a year, roughly what an average household uses.
All indicators for Trofa
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 | Trofa | Porto | National | Position | Rank |
|---|---|---|---|---|---|
| Population aged 65 and over (2025) | 21.6% | 22.5% | 26.9% | ranked 255 of 307 | |
| Population under 15 (2025) | 12.0% | 11.9% | 11.7% | ranked 123 of 307 | |
| Ageing index (older people per 100 young people) (2025) | 180.2 | – | 229.9 | ranked 231 of 307 | |
| Population density (inhabitants per km²) (2025) | 576.4 inh./km² | – | 69.6 inh./km² | ranked 33 of 307 | |
| Population change between 2021 and 2025 (2025) | 6.61% | – | 4.50% | ranked 100 of 307 |
Housing
| Indicator | Trofa | Porto | National | Position | Rank |
|---|---|---|---|---|---|
| Buildings (2021) | 10,087 | 443,980 | 3,573,416 | ranked 122 of 308 | |
| Buildings built before 1946 (2021) | 8.7% | 14.0% | 12.8% | ranked 248 of 307 | |
| Buildings built since 2001 (2021) | 15.5% | 15.9% | 16.8% | ranked 190 of 307 | |
| Buildings in need of medium or extensive repair (2021) | 12.8% | 14.8% | 14.2% | ranked 194 of 307 | |
| Conventional family dwellings (2021) | 15,992 | 859,324 | 5,970,677 | ranked 96 of 308 | |
| Dwellings used as secondary residences (2021) | 4.4% | 8.7% | 25.8% | ranked 306 of 307 | |
| Vacant dwellings (2021) | 8.4% | 10.2% | 13.1% | ranked 286 of 307 | |
| Owner-occupied usual residences (2021) | 70.9% | 65.0% | 77.8% | ranked 243 of 307 | |
| Rented usual residences (2021) | 20.7% | 26.8% | 13.6% | ranked 57 of 307 | |
| Usual residences in buildings with 3 or more dwellings (2021) | 36.9% | 49.9% | 13.8% | ranked 59 of 307 | |
| Median selling price of housing per m² (2025) | 1,792 €/m² | – | 1,108 €/m² | ranked 71 of 305 |
Energy
| Indicator | Trofa | Porto | National | Position | Rank |
|---|---|---|---|---|---|
| Usual residences without heating (2021) | 35.1% | 33.5% | 18.6% | ranked 59 of 307 | |
| Usual residences with central heating (2021) | 12.8% | 15.9% | 12.6% | ranked 149 of 307 | |
| Electricity consumption per inhabitant (2024) | 5,182 kWh/inh. | 4,155 kWh/inh. | 3,690 kWh/inh. | ranked 66 of 307 |
Economy
| Indicator | Trofa | Porto | National | Position | Rank |
|---|---|---|---|---|---|
| Enterprises (2023) | 4,895 | 251,449 | 1,510,274 | ranked 81 of 308 | |
| Enterprises per 1,000 inhabitants (2023) | 120.1 | 134.0 | 128.1 | ranked 199 of 307 | |
| Declared gross income per inhabitant (2024) | 11,477 € | 12,304 € | 10,553 € | ranked 93 of 307 | |
| Purchasing power per capita (Portugal = 100) (2023) | 92.5 | 103.8 | 79.5 | ranked 60 of 307 |
Employment
| Indicator | Trofa | Porto | National | Position | Rank |
|---|---|---|---|---|---|
| Unemployment rate (2021) | 7.8% | 9.8% | 7.0% | ranked 101 of 307 | |
| Average monthly earnings of employees (2024) | 1,467 € | – | 1,258 € | ranked 38 of 307 |
Tourism
| Indicator | Trofa | Porto | National | Position | Rank |
|---|---|---|---|---|---|
| Overnight stays in tourist accommodation (2025) | 13,236 | 9,936,349 | 82,011,658 | ranked 245 of 307 | |
| Overnight stays per 100 inhabitants (2025) | 32.0 | 521.2 | 275.0 | ranked 301 of 306 | |
| Share of overnight stays in local accommodation (alojamento local) (2025) | 2.6% | – | 18.4% | ranked 177 of 178 |
Education
| Indicator | Trofa | Porto | National | Position | Rank |
|---|---|---|---|---|---|
| Population with completed higher education (2021) | 15.3% | 21.7% | 13.2% | ranked 99 of 307 |
Sunshine and temperatures: Trofa
Business sectors: Trofa
Share of each sector in total businesses; “×1.5” means the sector is 1.5 times more common than nationally.
- Wholesale and retail trade21.3% ×1.5
- Administrative and support services13.3% ×0.8
- Manufacturing12.0% ×2.6
- Professional, scientific and technical9.8% ×0.9
- Construction7.6% ×1.1
- Health and social work7.1% ×0.9
- Accommodation and food services5.5% ×0.7
- Other service activities5.3% ×1.0
Frequently asked questions
What is the population of Trofa?
Trofa has 41,512 residents (2025), ranking 74 of 308 municipalities.
How big is Trofa?
Trofa covers 72.0 km², with a density of 576 people per km².
Is the population of Trofa growing?
Between 2021 and 2025, the population of Trofa went from 38,940 to 41,512, a change of +6.6%.
Where is Trofa?
Trofa is in Porto. Latitude 41.337, longitude −8.560.
Dwellings used as secondary residences: what is the figure for Trofa?
In Trofa, “Dwellings used as secondary residences” stands at 4.4% (2021), ranking 306 of 307 municipalities; the national median is 25.8%.
Share of overnight stays in local accommodation (alojamento local): what is the figure for Trofa?
In Trofa, “Share of overnight stays in local accommodation (alojamento local)” stands at 2.6% (2025), ranking 177 of 178 municipalities; the national median is 18.4%.
How much electricity does a solar panel produce in Trofa?
In Trofa, a 1 kWp south-facing system tilted at 36° produces about 1,449 kWh a year.
Which municipalities border Trofa?
The nearest to Trofa are Santo Tirso (6.9 km), Vila Nova de Famalicão (9.5 km), Maia (13 km), Paços de Ferreira (16 km), Vila do Conde (16 km).
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