Šagovina Mašićka is located in the municipality Okučani, in Slavonski Brod-Posavina County at an elevation of 203 meters above sea level and it covers the area of 10.77 km² (4.16 sq. miles). According to the 2011 census report, there were only 12 inhabitants. It is mostly populated by Serbs (55%), but also Croats (45%). Nearby places: Žuberkovac, Širinci, Šagovina Cernička, Smrtić, Ratkovac, Čaprginci, Trnava, Medari, Bobare and Mašić.