Postcode area · Selzach · Solothurn
2545 Selzach (Selzach): key figures
2545 Selzach (postcode area in Selzach) has 3,719 residents in 2025 across 19.3 km², or 193 people per km². Population: +13.8% between 2015 and 2025.
- 3,719 residents
- 19.3 km²
- 193 people/km²
2545 Selzach in numbers
Population
3,719
ranked 634 of 2,275
+13.8%between 2015 and 2025
2015–2025
Population density
193people/km²
ranked 1,416 of 2,275
Area
19.3km²
ranked 504 of 3,168
Share of foreign nationals
19.5%
ranked 1,160 of 2,040
Dwellings
1,875
ranked 651 of 3,164
Residential buildings
984
ranked 466 of 3,160
Dwellings in buildings built before 1946
23.9%
ranked 1,856 of 3,164
Key points
Nationally, 2545 Selzach ranks No. 634 of 2,275 postcode areas.
Population of 2545 Selzach over time
Population, 2015–2025
2545 Selzach had 3,269 residents in 2015 and 3,719 in 2025.
| Year | Population |
|---|---|
| 2015 | 3,269 |
| 2020 | 3,469 |
| 2023 | 3,654 |
| 2025 | 3,719 |
All indicators for 2545 Selzach
Next to the value for 2545 Selzach: all postcode areas of Selzach, then of the whole country (totals for counts, weighted averages for rates).
2545 SelzachNational medianHover over or tap a bar to see what it shows.
Housing
| Indicator | 2545 Selzach | Selzach | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Dwellings (2026) | 1,875 | – | – | ranked 651 of 3,164 | ||
| Residential buildings (2026) | 984 | – | – | ranked 466 of 3,160 | ||
| Dwellings in buildings built before 1946 (2026) | 23.9% | 23.9% | 23.2% | ranked 1,856 of 3,164 | ||
| Dwellings in buildings built since 2001 (2026) | 29.3% | 29.3% | 23.6% | ranked 863 of 3,164 | ||
| Share of detached houses among residential buildings (2026) | 74.1% | 74.1% | 63.5% | ranked 1,127 of 3,160 |
Energy
| Indicator | 2545 Selzach | Selzach | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 69.9% | 69.9% | 56.2% | ranked 544 of 3,160 | ||
| Heat pumps as main heating (2026) | 14.7% | 14.7% | 16.2% | ranked 1,345 of 3,160 | ||
| Wood heating systems (2026) | 10.0% | 10.0% | 13.5% | ranked 2,067 of 3,160 | ||
| District heating (2026) | 0.6% | 0.6% | 5.6% | ranked 1,742 of 3,160 |
Society
| Indicator | 2545 Selzach | Selzach | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 19.5% | 19.5% | 29.8% | ranked 1,160 of 2,040 |
Where is 2545 Selzach?
Frequently asked questions
What is the population of 2545 Selzach (Selzach)?
2545 Selzach has 3,719 residents in 2025. It covers 19.3 km², or 193 people per km².
Where is 2545 Selzach?
2545 Selzach (postcode area) is part of Selzach, in Solothurn.
What is the value of “Share of foreign nationals” in 2545 Selzach?
Share of foreign nationals: 19.5% (2025), ranked 1,160 of 2,040 postcode areas in the country.
What is the value of “Dwellings” in 2545 Selzach?
Dwellings: 1,875 (2026), ranked 651 of 3,164 postcode areas in the country.