Postcode area · Gy · Geneva
1251 Gy (Gy): key figures
1251 Gy (postcode area in Gy) has 554 residents in 2025 across 3.2 km², or 174 people per km². Population: +17.6% between 2015 and 2025.
- 554 residents
- 3.2 km²
- 174 people/km²
1251 Gy in numbers
Population
554
ranked 1,958 of 2,275
+17.6%between 2015 and 2025
2015–2025
Population density
174people/km²
ranked 1,499 of 2,275
Area
3.2km²
ranked 2,677 of 3,168
Share of foreign nationals
22.4%
ranked 910 of 2,040
Dwellings
249
ranked 2,586 of 3,164
Residential buildings
139
ranked 2,677 of 3,160
Dwellings in buildings built before 1946
26.5%
ranked 1,666 of 3,164
Key points
Nationally, 1251 Gy ranks No. 1,958 of 2,275 postcode areas.
Population of 1251 Gy over time
Population, 2015–2025
1251 Gy had 471 residents in 2015 and 554 in 2025.
| Year | Population |
|---|---|
| 2015 | 471 |
| 2020 | 444 |
| 2023 | 520 |
| 2025 | 554 |
All indicators for 1251 Gy
Next to the value for 1251 Gy: all postcode areas of Gy, then of the whole country (totals for counts, weighted averages for rates).
1251 GyNational medianHover over or tap a bar to see what it shows.
Housing
| Indicator | 1251 Gy | Gy | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Dwellings (2026) | 249 | – | – | ranked 2,586 of 3,164 | ||
| Residential buildings (2026) | 139 | – | – | ranked 2,677 of 3,160 | ||
| Dwellings in buildings built before 1946 (2026) | 26.5% | 26.5% | 23.2% | ranked 1,666 of 3,164 | ||
| Dwellings in buildings built since 2001 (2026) | 44.2% | 44.2% | 23.6% | ranked 101 of 3,164 | ||
| Share of detached houses among residential buildings (2026) | 79.1% | 79.1% | 63.5% | ranked 607 of 3,160 |
Energy
| Indicator | 1251 Gy | Gy | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Oil or gas heating systems (2026) | 74.8% | 74.8% | 56.2% | ranked 316 of 3,160 | ||
| Heat pumps as main heating (2026) | 11.4% | 11.4% | 16.2% | ranked 1,748 of 3,160 | ||
| Wood heating systems (2026) | 6.5% | 6.5% | 13.5% | ranked 2,424 of 3,160 | ||
| District heating (2026) | 0.0% | 0.0% | 5.6% | ranked 2,207 of 3,160 |
Society
| Indicator | 1251 Gy | Gy | Switzerland | Position? | Rank in the area | Rank in the country |
|---|---|---|---|---|---|---|
| Share of foreign nationals (2025) | 22.4% | 22.4% | 29.8% | ranked 910 of 2,040 |
Where is 1251 Gy?
Frequently asked questions
What is the population of 1251 Gy (Gy)?
1251 Gy has 554 residents in 2025. It covers 3.2 km², or 174 people per km².
Where is 1251 Gy?
1251 Gy (postcode area) is part of Gy, in Geneva.
What is the value of “Share of foreign nationals” in 1251 Gy?
Share of foreign nationals: 22.4% (2025), ranked 910 of 2,040 postcode areas in the country.
What is the value of “Dwellings” in 1251 Gy?
Dwellings: 249 (2026), ranked 2,586 of 3,164 postcode areas in the country.