Fahy: population and statistics
Fahy has a population of 328 (2025) across 7.8 km², or 42.2 people per km². It ranks 1,950 of 2,115 municipalities by population. Its population is falling: −7.6% between 2015 and 2025.
- 328 residents
- 7.8 km²
- 42 people/km²
- 567 m
Key points
Among the 50 municipalities in Jura, Fahy ranks No. 42 by population.
A 1 kWp solar panel tilted at 38° generates about 1,162 kWh a year here.
Fahy in numbers
Where is Fahy?
Population of Fahy over time
Fahy had 355 residents in 2015 and 328 in 2025.
| Year | Population |
|---|---|
| 2020 | 347 |
| 2021 | 340 |
| 2022 | 333 |
| 2023 | 332 |
| 2024 | 337 |
| 2025 | 328 |
Did you know?
- “Dwellings”: lower than in 90% of municipalities.
- Its area is roughly equal to 1,090 football pitches.
- Its population density is 5.5 times lower than the national average.
- The nearest municipality is Grandfontaine, 3.9 km away.
- The nearest more populous municipality is Bure (660 residents), 4.3 km away.
- A 4 kWp rooftop solar system here would generate about 4,648 kWh a year, roughly what an average household uses.
All indicators for Fahy
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 | Fahy | Jura | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of people aged 65 and over (2025) | 30.8% | 23.3% | 20.7% |
Housing
| Indicator | Fahy | Jura | National | Position? | Rank |
|---|---|---|---|---|---|
| Dwellings (2026) | 227 | 42,518 | 4,927,050 | ranked 1,892 of 2,108 | |
| Dwellings in buildings built before 1946 (2026) | 45.4% | 31.6% | 23.3% | ||
| Dwellings in buildings built since 2001 (2026) | 7.0% | 20.0% | 25.3% | ||
| Share of single-family houses among residential buildings (2026) | 89.7% | 75.3% | 69.5% |
Energy
| Indicator | Fahy | Jura | National | Position? | Rank |
|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 66.3% | 57.3% | 53.5% | ||
| Heat pumps as main heating (2026) | 2.9% | 19.5% | 13.7% | ||
| Wood heating systems (2026) | 18.3% | 13.2% | 12.4% | ||
| District heating (2026) | 0.0% | 4.1% | 1.4% | ||
| Photovoltaic installations (2026) | 28 | 5,556 | 329,600 | ranked 1,851 of 2,108 | |
| Installed photovoltaic capacity per 1,000 inhabitants (2026) | 1,519 kW | 1,771 kW | 1,134 kW | ||
| Rooftop solar electricity potential (2026) | 11.3 GWh/year | 1,000.0 GWh/year | 64,783 GWh/year | ranked 1,459 of 2,114 | |
| Rooftop solar potential per inhabitant (2026) | 34,573 kWh/inh. | 13,301 kWh/inh. | 9,356 kWh/inh. |
Economy
| Indicator | Fahy | Jura | National | Position? | Rank |
|---|---|---|---|---|---|
| Establishments (2024) | 44 | 6,862 | 728,011 | ranked 1,756 of 2,112 | |
| Entities listed in the commercial register (2026) | 29 | 6,411 | 762,757 | ranked 1,816 of 2,115 | |
| Entities in the commercial register per 1,000 inhabitants (2026) | 88.4 | 85.3 | 64.9 | ||
| Share of limited companies (AG, GmbH) among registered entities (2026) | 58.6% | 63.0% | 65.7% | ||
| Share of sole proprietorships among registered entities (2026) | 37.9% | 31.4% | 29.0% |
Employment
| Indicator | Fahy | Jura | National | Position? | Rank |
|---|---|---|---|---|---|
| Jobs (2024) | 147 | 47,549 | 5,679,518 | ranked 1,752 of 2,111 | |
| Jobs per 1,000 inhabitants (2024) | 448.2 | 632.5 | 362.9 | ||
| Share of jobs in services (2024) | 57.8% | 51.6% | 63.6% | ||
| Share of jobs in industry and construction (2024) | 23.1% | 38.5% | 24.2% |
Society
| Indicator | Fahy | Jura | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 8.5% | 16.5% | 18.9% |
Sunshine and temperatures: Fahy
Frequently asked questions
What is the population of Fahy?
Fahy has 328 residents (2025), ranking 1,950 of 2,115 municipalities.
How big is Fahy?
Fahy covers 7.8 km², with a density of 42 people per km².
Is the population of Fahy growing?
Between 2015 and 2025, the population of Fahy went from 355 to 328, a change of −7.6%.
Where is Fahy?
Fahy is in Jura. It belongs to District de Porrentruy (district). Latitude 47.417, longitude 6.950.
Dwellings: what is the figure for Fahy?
In Fahy, “Dwellings” stands at 227 (2026), ranking 1,892 of 2,108 municipalities; the national median is 990.
Photovoltaic installations: what is the figure for Fahy?
In Fahy, “Photovoltaic installations” stands at 28 (2026), ranking 1,851 of 2,108 municipalities; the national median is 103.
How much electricity does a solar panel produce in Fahy?
In Fahy, a 1 kWp south-facing system tilted at 38° produces about 1,162 kWh a year.
Which municipalities border Fahy?
The nearest to Fahy are Grandfontaine (3.9 km), Bure (4.3 km), Haute-Ajoie (5.3 km), Courtedoux (5.9 km), Basse-Allaine (7.3 km).