Kaštel Dežanovački is located in the municipality Dežanovac, in Bjelovar-Bilogora County at an elevation of 158 meters above sea level and it covers the area of 0.63 km² (0.24 sq. miles). According to the 2011 census report, there were 45 inhabitants. It is mostly populated by Croats (59%), but also Czechs (22%) and Serbs (13%). Nearby places: Dežanovac, Trojeglava, Drlež, Goveđe Polje, Gornji Uljanik, Donji Sređani, Kreštelovac, Blagorodovac, Golubinjak and Uljanički Brijeg.