{"code": "91589", "name": "Savigny-sur-Orge", "department": "91", "postcode": "91600", "population": 37601, "prices": {"appartement": null, "maison": null}, "counts": {"buildings": 15241, "units": 17768, "sales_dvf": 11437}, "demographics": {"pct_owners": 62.1, "population": 36087, "median_income": 25674}, "summary": null, "sources": ["DVF (Demandes de Valeurs Foncières) — Etalab / Cerema", "INSEE IRIS (FiLoSoFi, recensement) — insee.fr", "IGN BD TOPO — Institut Géographique National"], "license": "Licence Ouverte (Etalab) — réutilisation libre avec attribution Immobilix", "url": "https://immobilix.app/map/commune/91589/statimmo"}