8640 Rapperswil SG (Rapperswil-Jona): key figures
8640 Rapperswil SG (postcode area in Rapperswil-Jona) has 8,870 residents in 2025 across 6.5 km², or 1,375 people per km². By population, 8640 Rapperswil SG ranks No. 2 of 3 postcode areas in Rapperswil-Jona. Population: +7.0% between 2015 and 2025.
- 8,870 residents
- 6.5 km²
- 1,375 people/km²
8640 Rapperswil SG in numbers
Key points
By population, 8640 Rapperswil SG ranks No. 2 of 3 postcode areas in Rapperswil-Jona.
Nationally, 8640 Rapperswil SG ranks No. 244 of 2,275 postcode areas.
Population of 8640 Rapperswil SG over time
8640 Rapperswil SG had 8,290 residents in 2015 and 8,870 in 2025.
| Year | Population |
|---|---|
| 2015 | 8,290 |
| 2020 | 8,692 |
| 2023 | 8,910 |
| 2025 | 8,870 |
All indicators for 8640 Rapperswil SG
Next to the value for 8640 Rapperswil SG: all postcode areas of Rapperswil-Jona, then of the whole country (totals for counts, weighted averages for rates).
Housing
| Indicator | 8640 Rapperswil SG | Rapperswil-Jona | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Dwellings (2026) | 5,014 | – | – | ranked 2 of 4 | ranked 226 of 3,164 | |
| Residential buildings (2026) | 956 | – | – | ranked 2 of 4 | ranked 495 of 3,160 | |
| Dwellings in buildings built before 1946 (2026) | 25.1% | 13.5% | 23.2% | ranked 2 of 4 | ranked 1,768 of 3,164 | |
| Dwellings in buildings built since 2001 (2026) | 18.5% | 23.2% | 23.6% | ranked 3 of 4 | ranked 1,872 of 3,164 | |
| Share of detached houses among residential buildings (2026) | 33.3% | 55.1% | 63.5% | ranked 4 of 4 | ranked 3,059 of 3,160 |
Energy
| Indicator | 8640 Rapperswil SG | Rapperswil-Jona | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 60.5% | 54.4% | 56.2% | ranked 1 of 4 | ranked 974 of 3,160 | |
| Heat pumps as main heating (2026) | 35.9% | 39.4% | 16.2% | ranked 4 of 4 | ranked 216 of 3,160 | |
| Wood heating systems (2026) | 0.5% | 2.2% | 13.5% | ranked 4 of 4 | ranked 3,126 of 3,160 | |
| District heating (2026) | 0.5% | 1.7% | 5.6% | ranked 3 of 4 | ranked 1,824 of 3,160 |
Society
| Indicator | 8640 Rapperswil SG | Rapperswil-Jona | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 27.6% | 21.1% | 29.8% | ranked 1 of 3 | ranked 588 of 2,040 |
Where is 8640 Rapperswil SG?
Other postcode areas in Rapperswil-Jona
Postcode areas near 8640 Rapperswil SG
- 8645 Jona18,647 residents
- 8646 Wagen1,236 residents
- 8715 Bollingen
- 8714 FeldbachHombrechtikon
- 8633 WolfhausenBubikon
- 8630 Rüti ZHRüti (ZH)
Next in alphabetical order: 8645 Jona
Frequently asked questions
What is the population of 8640 Rapperswil SG (Rapperswil-Jona)?
8640 Rapperswil SG has 8,870 residents in 2025. It covers 6.5 km², or 1,375 people per km².
Where is 8640 Rapperswil SG?
8640 Rapperswil SG (postcode area) is part of Rapperswil-Jona, in St. Gallen.
What is the value of “Share of foreign nationals” in 8640 Rapperswil SG?
Share of foreign nationals: 27.6% (2025), ranked 588 of 2,040 postcode areas in the country.
What is the value of “Dwellings” in 8640 Rapperswil SG?
Dwellings: 5,014 (2026), ranked 226 of 3,164 postcode areas in the country.