Postcode area · Grenchen · Solothurn
2540 Grenchen (Grenchen): key figures
2540 Grenchen (postcode area in Grenchen) has 18,848 residents in 2025 across 26.0 km², or 724 people per km². Population: +13.4% between 2015 and 2025.
- 18,848 residents
- 26.0 km²
- 724 people/km²
2540 Grenchen in numbers
Population
18,848
ranked 75 of 2,275
+13.4%between 2015 and 2025
2015–2025
Population density
724people/km²
ranked 509 of 2,275
Area
26.0km²
ranked 322 of 3,168
Share of foreign nationals
41.3%
ranked 104 of 2,040
Dwellings
10,711
ranked 71 of 3,164
Residential buildings
3,016
ranked 22 of 3,160
Dwellings in buildings built before 1946
19.8%
ranked 2,156 of 3,164
Key points
Nationally, 2540 Grenchen ranks No. 75 of 2,275 postcode areas.
Population of 2540 Grenchen over time
Population, 2015–2025
2540 Grenchen had 16,627 residents in 2015 and 18,848 in 2025.
| Year | Population |
|---|---|
| 2015 | 16,627 |
| 2020 | 17,460 |
| 2023 | 18,148 |
| 2025 | 18,848 |
All indicators for 2540 Grenchen
Next to the value for 2540 Grenchen: all postcode areas of Grenchen, then of the whole country (totals for counts, weighted averages for rates).
2540 GrenchenNational medianHover over or tap a bar to see what it shows.
Housing
| Indicator | 2540 Grenchen | Grenchen | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Dwellings (2026) | 10,711 | – | – | ranked 71 of 3,164 | ||
| Residential buildings (2026) | 3,016 | – | – | ranked 22 of 3,160 | ||
| Dwellings in buildings built before 1946 (2026) | 19.8% | 19.8% | 23.2% | ranked 2,156 of 3,164 | ||
| Dwellings in buildings built since 2001 (2026) | 17.4% | 17.4% | 23.6% | ranked 1,982 of 3,164 | ||
| Share of detached houses among residential buildings (2026) | 53.6% | 53.6% | 63.5% | ranked 2,694 of 3,160 |
Energy
| Indicator | 2540 Grenchen | Grenchen | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 87.5% | 87.5% | 56.2% | ranked 36 of 3,160 | ||
| Heat pumps as main heating (2026) | 7.7% | 7.7% | 16.2% | ranked 2,295 of 3,160 | ||
| Wood heating systems (2026) | 3.1% | 3.1% | 13.5% | ranked 2,802 of 3,160 | ||
| District heating (2026) | 0.3% | 0.3% | 5.6% | ranked 2,015 of 3,160 |
Society
| Indicator | 2540 Grenchen | Grenchen | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 41.3% | 41.3% | 29.8% | ranked 104 of 2,040 |
Where is 2540 Grenchen?
Frequently asked questions
What is the population of 2540 Grenchen (Grenchen)?
2540 Grenchen has 18,848 residents in 2025. It covers 26.0 km², or 724 people per km².
Where is 2540 Grenchen?
2540 Grenchen (postcode area) is part of Grenchen, in Solothurn.
What is the value of “Share of foreign nationals” in 2540 Grenchen?
Share of foreign nationals: 41.3% (2025), ranked 104 of 2,040 postcode areas in the country.
What is the value of “Dwellings” in 2540 Grenchen?
Dwellings: 10,711 (2026), ranked 71 of 3,164 postcode areas in the country.