Wemmel is a municipality located in the Belgian province of Flemish Brabant. The municipality only comprises the town of Wemmel proper. On January 1, 2006, Wemmel had a total population of 14,774. The total area is 8.74 km² which gives a population density of 1,690 inhabitants per km².
The official language is Dutch, as everywhere in Flanders. In 1954, however, special linguistic facilities were given to local French-speakers. Although outside the Brussels-Capital Region, Wemmel is sometimes considered part of the suburbs of Brussels. The Brussels orbital motorway, known as the ring, cuts through the southern part of the town.