Postcode area · Oensingen · Solothurn
4702 Oensingen (Oensingen): key figures
4702 Oensingen (postcode area in Oensingen) has 6,713 residents in 2025 across 12.0 km², or 558 people per km². Population: +8.9% between 2015 and 2025.
- 6,713 residents
- 12.0 km²
- 558 people/km²
4702 Oensingen in numbers
Population
6,713
ranked 319 of 2,275
+8.9%between 2015 and 2025
2015–2025
Population density
558people/km²
ranked 649 of 2,275
Area
12.0km²
ranked 915 of 3,168
Share of foreign nationals
41.0%
ranked 113 of 2,040
Dwellings
3,276
ranked 346 of 3,164
Residential buildings
1,045
ranked 414 of 3,160
Dwellings in buildings built before 1946
16.2%
ranked 2,454 of 3,164
Key points
Nationally, 4702 Oensingen ranks No. 319 of 2,275 postcode areas.
Population of 4702 Oensingen over time
Population, 2015–2025
4702 Oensingen had 6,167 residents in 2015 and 6,713 in 2025.
| Year | Population |
|---|---|
| 2015 | 6,167 |
| 2020 | 6,224 |
| 2023 | 6,574 |
| 2025 | 6,713 |
All indicators for 4702 Oensingen
Next to the value for 4702 Oensingen: all postcode areas of Oensingen, then of the whole country (totals for counts, weighted averages for rates).
4702 OensingenNational medianHover over or tap a bar to see what it shows.
Housing
| Indicator | 4702 Oensingen | Oensingen | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Dwellings (2026) | 3,276 | – | – | ranked 346 of 3,164 | ||
| Residential buildings (2026) | 1,045 | – | – | ranked 414 of 3,160 | ||
| Dwellings in buildings built before 1946 (2026) | 16.2% | 16.2% | 23.2% | ranked 2,454 of 3,164 | ||
| Dwellings in buildings built since 2001 (2026) | 36.4% | 36.4% | 23.6% | ranked 385 of 3,164 | ||
| Share of detached houses among residential buildings (2026) | 64.3% | 64.3% | 63.5% | ranked 2,072 of 3,160 |
Energy
| Indicator | 4702 Oensingen | Oensingen | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 63.6% | 63.6% | 56.2% | ranked 826 of 3,160 | ||
| Heat pumps as main heating (2026) | 19.1% | 19.1% | 16.2% | ranked 944 of 3,160 | ||
| Wood heating systems (2026) | 5.0% | 5.0% | 13.5% | ranked 2,585 of 3,160 | ||
| District heating (2026) | 9.1% | 9.1% | 5.6% | ranked 410 of 3,160 |
Society
| Indicator | 4702 Oensingen | Oensingen | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 41.0% | 41.0% | 29.8% | ranked 113 of 2,040 |
Where is 4702 Oensingen?
Frequently asked questions
What is the population of 4702 Oensingen (Oensingen)?
4702 Oensingen has 6,713 residents in 2025. It covers 12.0 km², or 558 people per km².
Where is 4702 Oensingen?
4702 Oensingen (postcode area) is part of Oensingen, in Solothurn.
What is the value of “Share of foreign nationals” in 4702 Oensingen?
Share of foreign nationals: 41.0% (2025), ranked 113 of 2,040 postcode areas in the country.
What is the value of “Dwellings” in 4702 Oensingen?
Dwellings: 3,276 (2026), ranked 346 of 3,164 postcode areas in the country.