| Torchefelon | |
| — Commune — | |
 Torchefelon ê kéng-sek | |
 | |
  Torchefelon | |
| Keng-hūi-tō͘: 45°31′13″N 5°24′1″E / 45.52028°N 5.40028°E / 45.52028; 5.40028 | |
| Kok-ka |  Hoat-kok |
|---|---|
| Toā-khu | Rhône-Alpes |
| Koān | Isère |
| Kūn | |
Torchefelon sī ūi-tī Hoat-kok Rhône-Alpes toā-khu Isère séng ê chi̍t ê commune.
Tī Torchefelon ê sì-ûi ū Biol, Doissin, Montagnieu, Sainte-Blandine, Saint-Victor-de-Cessieu, kap Succieu téng siâⁿ-chhī he̍k-chiá chng-siā.
| Nî-tō͘ | 1968 | 1975 | 1982 | 1990 | 1999 | 2007 | 2012 |
|---|---|---|---|---|---|---|---|
| Jîn-kháu | 348 | 311 | 346 | 390 | 449 | 566 | 659 |
| Bi̍t-tō͘ (jîn-kháu/km²) | 40.1 | 35.8 | 39.9 | 44.9 | 51.7 | 65.2 | 75.9 |
