Avelgem is a municipality located in the Belgian province of West Flanders. The municipality comprises the towns of Avelgem proper, …Avelgem is a municipality located in the Belgian province of West Flanders. The municipality comprises the towns of Avelgem proper, Bossuit, Kerkhove, Outrijve and Waarmaarde. On January 1, 2006, Avelgem had a total population of 9,457. The total area is 21.75 km which gives a population density of 435 inhabitants per km.