Željezno Žumberačko is located in the municipality Žumberak, in Zagreb County at an elevation of 320 meters above sea level and it covers the area of 1.68 km² (0.65 sq. miles). According to the 2011 census report, there were 33 inhabitants. It is predominantly populated by Croats (95%), but also. Nearby places: Drašći Vrh, Vukovo Brdo, Grgetići, Veliki Vrh, Žamarija, Markušići, Čučići, Kupčina Žumberačka, Hartje and Kalje.