Raponji is located in the municipality Svetvinčenat, in Istra County at an elevation of 242 meters above sea level and it covers the area of 3.95 km² (1.53 sq. miles). According to the 2011 census report, there were 64 inhabitants. It is predominantly populated by Croats (94%), but also. Nearby places: Smoljanci, Salambati, Kranjčići, Svetvinčenat, Maružini, Krmed, Bričanci, Bibići, Marići and Pusti.