Postcode area · Illgau · Schwyz
6434 Illgau (Illgau): key figures
6434 Illgau (postcode area in Illgau) has 799 residents in 2025 across 11.0 km², or 72.9 people per km². Population: +2.4% between 2015 and 2025.
- 799 residents
- 11.0 km²
- 73 people/km²
6434 Illgau in numbers
Population
799
ranked 1,764 of 2,275
+2.4%between 2015 and 2025
2015–2025
Population density
73people/km²
ranked 2,012 of 2,275
Area
11.0km²
ranked 1,027 of 3,168
Share of foreign nationals
6.3%
ranked 1,953 of 2,040
Dwellings
392
ranked 2,173 of 3,164
Residential buildings
186
ranked 2,398 of 3,160
Dwellings in buildings built before 1946
13.0%
ranked 2,682 of 3,164
Key points
Nationally, 6434 Illgau ranks No. 1,764 of 2,275 postcode areas.
Population of 6434 Illgau over time
Population, 2015–2025
6434 Illgau had 780 residents in 2015 and 799 in 2025.
| Year | Population |
|---|---|
| 2015 | 780 |
| 2020 | 778 |
| 2023 | 797 |
| 2025 | 799 |
All indicators for 6434 Illgau
Next to the value for 6434 Illgau: all postcode areas of Illgau, then of the whole country (totals for counts, weighted averages for rates).
6434 IllgauNational medianHover over or tap a bar to see what it shows.
Housing
| Indicator | 6434 Illgau | Illgau | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Dwellings (2026) | 392 | – | – | ranked 2,173 of 3,164 | ||
| Residential buildings (2026) | 186 | – | – | ranked 2,398 of 3,160 | ||
| Dwellings in buildings built before 1946 (2026) | 13.0% | 13.0% | 23.2% | ranked 2,682 of 3,164 | ||
| Dwellings in buildings built since 2001 (2026) | 38.5% | 38.5% | 23.6% | ranked 284 of 3,164 | ||
| Share of detached houses among residential buildings (2026) | 28.5% | 28.5% | 63.5% | ranked 3,091 of 3,160 |
Energy
| Indicator | 6434 Illgau | Illgau | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 20.5% | 20.5% | 56.2% | ranked 2,861 of 3,160 | ||
| Heat pumps as main heating (2026) | 16.4% | 16.4% | 16.2% | ranked 1,192 of 3,160 | ||
| Wood heating systems (2026) | 57.5% | 57.5% | 13.5% | ranked 199 of 3,160 | ||
| District heating (2026) | 0.0% | 0.0% | 5.6% | ranked 2,207 of 3,160 |
Society
| Indicator | 6434 Illgau | Illgau | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 6.3% | 6.3% | 29.8% | ranked 1,953 of 2,040 |
Where is 6434 Illgau?
Frequently asked questions
What is the population of 6434 Illgau (Illgau)?
6434 Illgau has 799 residents in 2025. It covers 11.0 km², or 73 people per km².
Where is 6434 Illgau?
6434 Illgau (postcode area) is part of Illgau, in Schwyz.
What is the value of “Share of foreign nationals” in 6434 Illgau?
Share of foreign nationals: 6.3% (2025), ranked 1,953 of 2,040 postcode areas in the country.
What is the value of “Dwellings” in 6434 Illgau?
Dwellings: 392 (2026), ranked 2,173 of 3,164 postcode areas in the country.