 Bežanija experienced a rapid growth of population after 1948 as it was almost immediately attached to the newly constructed city-within-the city of Novi Beograd.As internal communal boundaries changed a lot since the 1970s, despite further expansion, censuses showed a reduced number of population as many border areas (entirely or partially) were detached from Bežanija (Bežanijska kosa, blocks 61-65, etc.