Postcode area · Aeschi (SO) · Solothurn
4556 Aeschi SO (Aeschi (SO)): key figures
4556 Aeschi SO (postcode area in Aeschi (SO)) has 1,899 residents in 2025 across 7.6 km², or 250 people per km². Population: +8.0% between 2015 and 2025.
- 1,899 residents
- 7.6 km²
- 250 people/km²
4556 Aeschi SO in numbers
Population
1,899
ranked 1,078 of 2,275
+8.0%between 2015 and 2025
2015–2025
Population density
250people/km²
ranked 1,226 of 2,275
Area
7.6km²
ranked 1,525 of 3,168
Dwellings
936
ranked 1,214 of 3,164
Residential buildings
611
ranked 931 of 3,160
Dwellings in buildings built before 1946
21.2%
ranked 2,050 of 3,164
Dwellings in buildings built since 2001
26.4%
ranked 1,130 of 3,164
Key points
Nationally, 4556 Aeschi SO ranks No. 1,078 of 2,275 postcode areas.
Population of 4556 Aeschi SO over time
Population, 2015–2025
4556 Aeschi SO had 1,759 residents in 2015 and 1,899 in 2025.
| Year | Population |
|---|---|
| 2015 | 1,759 |
| 2020 | 1,840 |
| 2023 | 1,900 |
| 2025 | 1,899 |
All indicators for 4556 Aeschi SO
Next to the value for 4556 Aeschi SO: all postcode areas of Aeschi (SO), then of the whole country (totals for counts, weighted averages for rates).
4556 Aeschi SONational medianHover over or tap a bar to see what it shows.
Housing
| Indicator | 4556 Aeschi SO | Aeschi (SO) | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Dwellings (2026) | 936 | – | – | ranked 1,214 of 3,164 | ||
| Residential buildings (2026) | 611 | – | – | ranked 931 of 3,160 | ||
| Dwellings in buildings built before 1946 (2026) | 21.2% | 21.2% | 23.2% | ranked 2,050 of 3,164 | ||
| Dwellings in buildings built since 2001 (2026) | 26.4% | 26.4% | 23.6% | ranked 1,130 of 3,164 | ||
| Share of detached houses among residential buildings (2026) | 79.9% | 79.9% | 63.5% | ranked 538 of 3,160 |
Energy
| Indicator | 4556 Aeschi SO | Aeschi (SO) | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 62.4% | 62.4% | 56.2% | ranked 891 of 3,160 | ||
| Heat pumps as main heating (2026) | 18.9% | 18.9% | 16.2% | ranked 963 of 3,160 | ||
| Wood heating systems (2026) | 12.9% | 12.9% | 13.5% | ranked 1,809 of 3,160 | ||
| District heating (2026) | 0.5% | 0.5% | 5.6% | ranked 1,824 of 3,160 |
Where is 4556 Aeschi SO?
Frequently asked questions
What is the population of 4556 Aeschi SO (Aeschi (SO))?
4556 Aeschi SO has 1,899 residents in 2025. It covers 7.6 km², or 250 people per km².
Where is 4556 Aeschi SO?
4556 Aeschi SO (postcode area) is part of Aeschi (SO), in Solothurn.
What is the value of “Dwellings” in 4556 Aeschi SO?
Dwellings: 936 (2026), ranked 1,214 of 3,164 postcode areas in the country.
What is the value of “Residential buildings” in 4556 Aeschi SO?
Residential buildings: 611 (2026), ranked 931 of 3,160 postcode areas in the country.