Wezembeek-Oppem is a municipality located in the Belgian province of Flemish Brabant. The municipality only comprises the town of Wezembeek-Oppem proper. On January 1st, 2000 Wezembeek-Oppem had a total population of 13,622 (6,514 males and 7,108 females). The total area is 6.76 km² which gives a population density of 2,015.09 inhabitants per km².