4310 Rheinfelden (Rheinfelden): key figures
4310 Rheinfelden (postcode area in Rheinfelden) has 13,911 residents in 2025 across 11.6 km², or 1,199 people per km². Population: +7.1% between 2015 and 2025.
- 13,911 residents
- 11.6 km²
- 1,199 people/km²
4310 Rheinfelden in numbers
Key points
Nationally, 4310 Rheinfelden ranks No. 134 of 2,275 postcode areas.
Population of 4310 Rheinfelden over time
4310 Rheinfelden had 12,991 residents in 2015 and 13,911 in 2025.
| Year | Population |
|---|---|
| 2015 | 12,991 |
| 2020 | 13,447 |
| 2023 | 13,744 |
| 2025 | 13,911 |
All indicators for 4310 Rheinfelden
Next to the value for 4310 Rheinfelden: all postcode areas of Rheinfelden, then of the whole country (totals for counts, weighted averages for rates).
Housing
| Indicator | 4310 Rheinfelden | Rheinfelden | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Dwellings (2026) | 7,267 | – | – | ranked 136 of 3,164 | ||
| Residential buildings (2026) | 1,861 | – | – | ranked 122 of 3,160 | ||
| Dwellings in buildings built before 1946 (2026) | 15.5% | 15.5% | 23.2% | ranked 2,500 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) | 59.6% | 59.6% | 63.5% | ranked 2,393 of 3,160 |
Energy
| Indicator | 4310 Rheinfelden | Rheinfelden | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 69.5% | 69.5% | 56.2% | ranked 562 of 3,160 | ||
| Heat pumps as main heating (2026) | 4.4% | 4.4% | 16.2% | ranked 2,770 of 3,160 | ||
| Wood heating systems (2026) | 1.7% | 1.7% | 13.5% | ranked 2,985 of 3,160 | ||
| District heating (2026) | 17.9% | 17.9% | 5.6% | ranked 174 of 3,160 |
Society
| Indicator | 4310 Rheinfelden | Rheinfelden | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 34.7% | 34.7% | 29.8% | ranked 256 of 2,040 |
Where is 4310 Rheinfelden?
Frequently asked questions
What is the population of 4310 Rheinfelden (Rheinfelden)?
4310 Rheinfelden has 13,911 residents in 2025. It covers 11.6 km², or 1,199 people per km².
Where is 4310 Rheinfelden?
4310 Rheinfelden (postcode area) is part of Rheinfelden, in Aargau.
What is the value of “Share of foreign nationals” in 4310 Rheinfelden?
Share of foreign nationals: 34.7% (2025), ranked 256 of 2,040 postcode areas in the country.
What is the value of “Dwellings” in 4310 Rheinfelden?
Dwellings: 7,267 (2026), ranked 136 of 3,164 postcode areas in the country.