Population: 12,206 inhabitants (+5.5% between 2013 and 2023)
Rental yield in Triel-sur-Seine →
Estimated asking rents — "Carte des loyers" 2025 (French Ministry of Ecological Transition). Gross yield = annual rent / median sale price per sqm.
| Neighborhood | Change | Price/sqm |
|---|
| Neighborhood | Change | Price/sqm |
|---|
| Rate ‰ | France | |
|---|---|---|
| Home burglaries | 12.2 | 3.1 |
| Physical assaults (non-domestic) | 1.6 | 3.2 |
| Vehicle thefts | 3.3 | 1.8 |
| Non-violent thefts | 4.7 | 9.1 |
| Vandalism | 5.7 | 7.9 |
Source: SSMSI, French Ministry of the Interior. Offences recorded by police and gendarmerie, per 1,000 inhabitants — unreported offences are not included.
Energy sieves (F+G): 11.1% (France: 9.9%)
| Label | Share |
|---|---|
| A | 0.6% |
| B | 1.3% |
| C | 36.7% |
| D | 33.7% |
| E | 16.7% |
| F | 6.6% |
| G | 4.5% |
Source: ADEME (2026), 2,341 diagnostics performed since July 2021 — share of diagnosed dwellings, not a census of the stock. G banned from rental since 2025, F in 2028, E in 2034.