Sergey: population and statistics
Sergey has a population of 165 (2025) across 1.5 km², or 113 people per km². It ranks 2,059 of 2,115 municipalities by population. Its population is growing: +14.6% between 2015 and 2025.
- 165 residents
- 1.5 km²
- 113 people/km²
- 606 m
Key points
Among the 300 municipalities in Vaud, Sergey ranks No. 288 by population.
A 1 kWp solar panel tilted at 38° generates about 1,276 kWh a year here.
Sergey in numbers
Where is Sergey?
Population of Sergey over time
Sergey had 144 residents in 2015 and 165 in 2025.
| Year | Population |
|---|---|
| 2020 | 145 |
| 2021 | 141 |
| 2022 | 140 |
| 2023 | 137 |
| 2024 | 133 |
| 2025 | 165 |
Did you know?
- “Jobs”: lower than in 99% of municipalities.
- “Dwellings”: lower than in 99% of municipalities.
- “Rooftop solar electricity potential”: lower than in 99% of municipalities.
- Its area is roughly equal to 204 football pitches.
- Its population density is 2.1 times lower than the national average.
- The nearest more populous municipality is L'Abergement (267 residents), 1.4 km away.
- A 4 kWp rooftop solar system here would generate about 5,104 kWh a year, roughly what an average household uses.
All indicators for Sergey
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 | Sergey | Vaud | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of people aged 65 and over (2025) | 14.6% | 17.1% | 20.7% |
Housing
| Indicator | Sergey | Vaud | National | Position? | Rank |
|---|---|---|---|---|---|
| Dwellings (2026) | 72 | 449,691 | 4,927,050 | ranked 2,081 of 2,108 | |
| Dwellings in buildings built before 1946 (2026) | 65.3% | 25.9% | 23.3% | ||
| Dwellings in buildings built since 2001 (2026) | 20.8% | 24.7% | 25.3% | ||
| Share of single-family houses among residential buildings (2026) | 69.0% | 52.6% | 69.5% |
Energy
| Indicator | Sergey | Vaud | National | Position? | Rank |
|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 58.1% | 72.6% | 53.5% | ||
| Heat pumps as main heating (2026) | 3.2% | 6.9% | 13.7% | ||
| Wood heating systems (2026) | 29.0% | 5.6% | 12.4% | ||
| District heating (2026) | 3.2% | 5.5% | 1.4% | ||
| Photovoltaic installations (2026) | 13 | 36,655 | 329,600 | ranked 1,998 of 2,108 | |
| Installed photovoltaic capacity per 1,000 inhabitants (2026) | 729.0 kW | 784.6 kW | 1,134 kW | ||
| Rooftop solar electricity potential (2026) | 2.1 GWh/year | 6,033 GWh/year | 64,783 GWh/year | ranked 2,086 of 2,114 | |
| Rooftop solar potential per inhabitant (2026) | 12,848 kWh/inh. | 6,985 kWh/inh. | 9,356 kWh/inh. |
Economy
| Indicator | Sergey | Vaud | National | Position? | Rank |
|---|---|---|---|---|---|
| Establishments (2024) | 10 | 67,877 | 728,011 | ranked 2,094 of 2,112 | |
| Entities listed in the commercial register (2026) | 4 | 67,255 | 762,757 | ranked 2,100 of 2,115 | |
| Entities in the commercial register per 1,000 inhabitants (2026) | 24.2 | 77.9 | 64.9 | ||
| Share of limited companies (AG, GmbH) among registered entities (2026) | 75.0% | 67.6% | 65.7% | ||
| Share of sole proprietorships among registered entities (2026) | 25.0% | 26.9% | 29.0% |
Employment
| Indicator | Sergey | Vaud | National | Position? | Rank |
|---|---|---|---|---|---|
| Jobs (2024) | 19 | 498,823 | 5,679,518 | ranked 2,101 of 2,111 | |
| Jobs per 1,000 inhabitants (2024) | 115.2 | 577.7 | 362.9 | ||
| Share of jobs in services (2024) | 47.4% | 79.0% | 63.6% |
Society
| Indicator | Sergey | Vaud | National | Position? | Rank |
|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 17.0% | 34.3% | 18.9% |
Sunshine and temperatures: Sergey
Frequently asked questions
What is the population of Sergey?
Sergey has 165 residents (2025), ranking 2,059 of 2,115 municipalities.
How big is Sergey?
Sergey covers 1.5 km², with a density of 113 people per km².
Is the population of Sergey growing?
Between 2015 and 2025, the population of Sergey went from 144 to 165, a change of +14.6%.
Where is Sergey?
Sergey is in Vaud. It belongs to District du Jura-Nord vaudois (district). Latitude 46.751, longitude 6.501.
Jobs: what is the figure for Sergey?
In Sergey, “Jobs” stands at 19 (2024), ranking 2,101 of 2,111 municipalities; the national median is 622.
Dwellings: what is the figure for Sergey?
In Sergey, “Dwellings” stands at 72 (2026), ranking 2,081 of 2,108 municipalities; the national median is 990.
How much electricity does a solar panel produce in Sergey?
In Sergey, a 1 kWp south-facing system tilted at 38° produces about 1,276 kWh a year.
Which municipalities border Sergey?
The nearest to Sergey are L'Abergement (1.4 km), Rances (1.7 km), Montcherand (2.3 km), Valeyres-sous-Rances (2.5 km), Les Clées (3.3 km).