Postcode area · Seon · Aargau
5703 Seon (Seon): key figures
5703 Seon (postcode area in Seon) has 5,643 residents in 2025 across 9.6 km², or 587 people per km². Population: +15.1% between 2015 and 2025.
- 5,643 residents
- 9.6 km²
- 587 people/km²
5703 Seon in numbers
Population
5,643
ranked 395 of 2,275
+15.1%between 2015 and 2025
2015–2025
Population density
587people/km²
ranked 620 of 2,275
Area
9.6km²
ranked 1,204 of 3,168
Share of foreign nationals
27.5%
ranked 597 of 2,040
Dwellings
2,754
ranked 427 of 3,164
Residential buildings
1,350
ranked 248 of 3,160
Dwellings in buildings built before 1946
19.5%
ranked 2,182 of 3,164
Key points
Nationally, 5703 Seon ranks No. 395 of 2,275 postcode areas.
Population of 5703 Seon over time
Population, 2015–2025
5703 Seon had 4,901 residents in 2015 and 5,643 in 2025.
| Year | Population |
|---|---|
| 2015 | 4,901 |
| 2020 | 5,116 |
| 2023 | 5,492 |
| 2025 | 5,643 |
All indicators for 5703 Seon
Next to the value for 5703 Seon: all postcode areas of Seon, then of the whole country (totals for counts, weighted averages for rates).
5703 SeonNational medianHover over or tap a bar to see what it shows.
Housing
| Indicator | 5703 Seon | Seon | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Dwellings (2026) | 2,754 | – | – | ranked 427 of 3,164 | ||
| Residential buildings (2026) | 1,350 | – | – | ranked 248 of 3,160 | ||
| Dwellings in buildings built before 1946 (2026) | 19.5% | 19.5% | 23.2% | ranked 2,182 of 3,164 | ||
| Dwellings in buildings built since 2001 (2026) | 28.3% | 28.3% | 23.6% | ranked 941 of 3,164 | ||
| Share of detached houses among residential buildings (2026) | 75.7% | 75.7% | 63.5% | ranked 953 of 3,160 |
Energy
| Indicator | 5703 Seon | Seon | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 65.4% | 65.4% | 56.2% | ranked 739 of 3,160 | ||
| Heat pumps as main heating (2026) | 11.7% | 11.7% | 16.2% | ranked 1,712 of 3,160 | ||
| Wood heating systems (2026) | 9.9% | 9.9% | 13.5% | ranked 2,076 of 3,160 | ||
| District heating (2026) | 4.7% | 4.7% | 5.6% | ranked 707 of 3,160 |
Society
| Indicator | 5703 Seon | Seon | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 27.5% | 27.5% | 29.8% | ranked 597 of 2,040 |
Where is 5703 Seon?
Frequently asked questions
What is the population of 5703 Seon (Seon)?
5703 Seon has 5,643 residents in 2025. It covers 9.6 km², or 587 people per km².
Where is 5703 Seon?
5703 Seon (postcode area) is part of Seon, in Aargau.
What is the value of “Share of foreign nationals” in 5703 Seon?
Share of foreign nationals: 27.5% (2025), ranked 597 of 2,040 postcode areas in the country.
What is the value of “Dwellings” in 5703 Seon?
Dwellings: 2,754 (2026), ranked 427 of 3,164 postcode areas in the country.